{"id":91514,"date":"2025-09-20T23:52:33","date_gmt":"2025-09-20T16:52:33","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=91514"},"modified":"2025-09-20T23:52:36","modified_gmt":"2025-09-20T16:52:36","slug":"cau-hoi-phong-van-lambda","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/","title":{"rendered":"Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda AWS t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/#Lambda_la_gi_Vi_sao_nha_tuyen_dung_hoi_ve_AWS_Lambda\" >Lambda l\u00e0 g\u00ec? V\u00ec sao nh\u00e0 tuy\u1ec3n d\u1ee5ng h\u1ecfi v\u1ec1 AWS Lambda?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/#Cac_chu_de_cau_hoi_phong_van_Lambda_pho_bien\" >C\u00e1c ch\u1ee7 \u0111\u1ec1 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda ph\u1ed5 bi\u1ebfn<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/#Huong_dan_tra_loi_cac_cau_hoi_phong_van_Lambda_co_ban\" >H\u01b0\u1edbng d\u1eabn tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda c\u01a1 b\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/#Huong_dan_tra_loi_cac_cau_hoi_phong_van_Lambda_trung_cap\" >H\u01b0\u1edbng d\u1eabn tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda trung c\u1ea5p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/#Cac_cau_hoi_phong_van_Lambda_cap_cao\" >C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda c\u1ea5p cao<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/#Cau_hoi_phong_van_Lambda_giai_quyet_tinh_huong\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda gi\u1ea3i quy\u1ebft t\u00ecnh hu\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/#Lam_the_nao_de_chuan_bi_tot_cho_phan_phong_van_AWS_Lambda\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chu\u1ea9n b\u1ecb t\u1ed1t cho ph\u1ea7n ph\u1ecfng v\u1ea5n AWS Lambda?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/#Tong_ket_cau_hoi_phong_van_Lambda\" >T\u1ed5ng k\u1ebft c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><strong><em>N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb \u1ee9ng tuy\u1ec3n cho v\u1ecb tr\u00ed DevOps, Cloud Engineer ho\u1eb7c Software Developer l\u00e0m vi\u1ec7c v\u1edbi Serverless, \u0111\u00e2y l\u00e0 t\u00e0i li\u1ec7u kh\u00f4ng th\u1ec3 b\u1ecf qua. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p 40 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda AWS, t\u1eeb nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p, gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc v\u00e0 t\u1ef1 tin chinh ph\u1ee5c m\u1ecdi th\u1eed th\u00e1ch trong bu\u1ed5i ph\u1ecfng v\u1ea5n.<\/em><\/strong><\/p>\n\n\n\n<p>\u0110\u1ecdc b\u00e0i vi\u1ebft \u0111\u1ec3 hi\u1ec3u th\u00eam v\u1ec1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lambda l\u00e0 g\u00ec? V\u00ec sao nh\u00e0 tuy\u1ec3n d\u1ee5ng h\u1ecfi v\u1ec1 AWS Lambda;<\/li>\n\n\n\n<li>C\u00e1c ch\u1ee7 \u0111\u1ec1 AWS Lambda ph\u1ed5 bi\u1ebfn khi ph\u1ecfng v\u1ea5n;<\/li>\n\n\n\n<li>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda c\u01a1 b\u1ea3n;<\/li>\n\n\n\n<li>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda c\u1ea5p trung;<\/li>\n\n\n\n<li>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda c\u1ea5p cao;<\/li>\n\n\n\n<li>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n gi\u1ea3i quy\u1ebft t\u00ecnh hu\u1ed1ng;<\/li>\n\n\n\n<li>L\u1eddi khuy\u00ean \u0111\u1ec3 ph\u1ecfng v\u1ea5n AWS Lambda thu\u1eadn l\u1ee3i.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-lambda-la-gi-vi-sao-nha-tuy\u1ec3n-d\u1ee5ng-h\u1ecfi-v\u1ec1-aws-lambda\"><span class=\"ez-toc-section\" id=\"Lambda_la_gi_Vi_sao_nha_tuyen_dung_hoi_ve_AWS_Lambda\"><\/span><strong>Lambda l\u00e0 g\u00ec? V\u00ec sao nh\u00e0 tuy\u1ec3n d\u1ee5ng h\u1ecfi v\u1ec1 AWS Lambda?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>AWS Lambda l\u00e0 d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n kh\u00f4ng m\u00e1y ch\u1ee7 (serverless computing) d\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n d\u00e0nh cho n\u1ec1n t\u1ea3ng AWS. Th\u00f4ng qua \u0111i\u1ec7n to\u00e1n serverless, Lambda cho ph\u00e9p vi\u1ebft v\u00e0 th\u1ef1c thi m\u00e3 m\u00e0 kh\u00f4ng c\u1ea7n qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7. Thay v\u00ec lo v\u1ec1 vi\u1ec7c c\u1ea5p ph\u00e1t, v\u1eadn h\u00e0nh, m\u1edf r\u1ed9ng t\u00e0i nguy\u00ean ho\u1eb7c v\u00e1 l\u1ed7i b\u1ea3o m\u1eadt, developer ch\u1ec9 c\u1ea7n t\u1eadp trung v\u00e0o code, Lambda s\u1ebd t\u1ef1 \u0111\u1ed9ng x\u1eed l\u00fd ph\u1ea7n h\u1ea1 t\u1ea7ng.<\/p>\n\n\n\n<p>Ng\u00e0y c\u00e0ng nhi\u1ec1u c\u00f4ng ty x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng serverless nh\u1edd hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1ed1i thi\u1ec3u. Lambda ch\u00ednh l\u00e0 tr\u1ecdng t\u00e2m c\u1ee7a xu h\u01b0\u1edbng n\u00e0y. Vi\u1ec7c ch\u1ee9ng minh ki\u1ebfn th\u1ee9c v\u1ec1 Lambda cho th\u1ea5y b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y \u0111\u00e1ng tin c\u1eady, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<p>Nh\u00ecn chung, nh\u00e0 tuy\u1ec3n d\u1ee5ng ki\u1ec3m tra ki\u1ebfn th\u1ee9c v\u1ec1 AWS Lambda \u0111\u1ec3 \u0111\u00e1nh gi\u00e1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kh\u1ea3 n\u0103ng thi\u1ebft k\u1ebf c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 h\u01b0\u1edbng s\u1ef1 ki\u1ec7n.<\/li>\n\n\n\n<li>B\u1ea1n hi\u1ec3u r\u00f5 c\u00e1c r\u00e0ng bu\u1ed9c v\u00e0 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i c\u1ee7a serveless nh\u01b0 th\u1ebf n\u00e0o.<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o \u1ee9ng vi\u00ean c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf, tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd c\u00e1c h\u00e0m Lambda, \u0111\u1ed3ng th\u1eddi t\u00edch h\u1ee3p ch\u00fang m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 AWS kh\u00e1c nh\u01b0 API Gateway, S3, DynamoDB v\u00e0 EventBridge.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc chi ti\u1ebft: <strong><a href=\"https:\/\/itviec.com\/blog\/aws-lambda-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">AWS Lambda l\u00e0 g\u00ec? C\u1ea9m nang s\u1eed d\u1ee5ng AWS Lambda<\/a><\/strong><\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-ch\u1ee7-d\u1ec1-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-lambda-ph\u1ed5-bi\u1ebfn\"><span class=\"ez-toc-section\" id=\"Cac_chu_de_cau_hoi_phong_van_Lambda_pho_bien\"><\/span><strong>C\u00e1c ch\u1ee7 \u0111\u1ec1 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda ph\u1ed5 bi\u1ebfn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-c\u1ea5p-d\u1ed9-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-lambda-c\u01a1-b\u1ea3n\"><strong>C\u1ea5p \u0111\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda<\/strong> <strong>c\u01a1 b\u1ea3n<\/strong><\/h3>\n\n\n\n<p>\u1ee8ng vi\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u1ecfi v\u1ec1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u01a1 ch\u1ebf v\u1eadn h\u00e0nh, tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 t\u00edch h\u1ee3p v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 AWS kh\u00e1c.<\/li>\n\n\n\n<li>Vi\u1ec7c t\u1ea1o, tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd c\u00e1c h\u00e0m Lambda<\/li>\n\n\n\n<li>C\u00e1ch AWS Lambda t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 AWS kh\u00e1c nh\u01b0 S3, DynamoDB v\u00e0 API Gateway, \u0111\u1ed3ng th\u1eddi nh\u1ea5n m\u1ea1nh vi\u1ec7c hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee7a Lambda trong h\u1ec7 sinh th\u00e1i AWS l\u1edbn h\u01a1n<\/li>\n\n\n\n<li>Ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh t\u01b0\u01a1ng th\u00edch v\u1edbi AWS Lambda, c\u00e1c c\u00e2u h\u1ecfi c\u00f3 th\u1ec3 bao g\u1ed3m vi\u1ebft ho\u1eb7c g\u1ee1 l\u1ed7i m\u00e3 h\u00e0m Lambda.\u00a0<\/li>\n\n\n\n<li>M\u00f4 t\u1ea3 t\u00ecnh hu\u1ed1ng kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 Lambda th\u01b0\u1eddng g\u1eb7p, k\u1ef9 n\u0103ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 trong m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n serverless.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-c\u1ea5p-d\u1ed9-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-lambda-trung-c\u1ea5p-va-cao-c\u1ea5p\"><strong>C\u1ea5p \u0111\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda<\/strong> <strong>trung c\u1ea5p v\u00e0 cao c\u1ea5p<\/strong><\/h3>\n\n\n\n<p>C\u00e1c c\u00e2u h\u1ecfi s\u1ebd \u0111i s\u00e2u v\u00e0o vi\u1ec7c tri\u1ec3n khai h\u00e0m Lambda, bao g\u1ed3m c\u00e1c trigger, ngu\u1ed3n s\u1ef1 ki\u1ec7n v\u00e0 t\u00edch h\u1ee3p v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 AWS kh\u00e1c, c\u00e1c kh\u00eda c\u1ea1nh nh\u01b0 m\u1edf r\u1ed9ng quy m\u00f4 v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<p>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n c\u1ea5p trung v\u00e0 c\u1ea5p cao c\u0169ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u1ee7a Lambda, kh\u00e1m ph\u00e1 vai tr\u00f2 IAM, quy\u1ec1n truy c\u1eadp v\u00e0 bi\u1ebfn m\u00f4i tr\u01b0\u1eddng. \u1ee8ng vi\u00ean \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd th\u1ec3 hi\u1ec7n ki\u1ebfn th\u1ee9c v\u1ec1 m\u00f4 h\u00ecnh \u0111\u1ecbnh gi\u00e1 c\u1ee7a Lambda, kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Amazon CloudWatch v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p logging.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-h\u01b0\u1edbng-d\u1eabn-tr\u1ea3-l\u1eddi-cac-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-lambda-c\u01a1-b\u1ea3n\"><span class=\"ez-toc-section\" id=\"Huong_dan_tra_loi_cac_cau_hoi_phong_van_Lambda_co_ban\"><\/span><strong>H\u01b0\u1edbng d\u1eabn tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda c\u01a1 b\u1ea3n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-aws-lambda-h\u1ed7-tr\u1ee3-nh\u1eefng-ngon-ng\u1eef-nao\"><strong>AWS Lambda h\u1ed7 tr\u1ee3 nh\u1eefng ng\u00f4n ng\u1eef n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>AWS Lambda cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh sau:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Node.js (JavaScript)<\/li>\n\n\n\n<li>Python<\/li>\n\n\n\n<li>Java (bao g\u1ed3m c\u00e1c phi\u00ean b\u1ea3n m\u1edbi h\u01a1n nh\u01b0 11, 17, 21)<\/li>\n\n\n\n<li>C# (.NET)<\/li>\n\n\n\n<li>Go<\/li>\n\n\n\n<li>Ruby<\/li>\n\n\n\n<li>PowerShell<\/li>\n\n\n\n<li>Custom Runtime (Rust, C++&#8230;)<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp s\u1eb5n th\u01b0 vi\u1ec7n v\u00e0 c\u00e1c t\u00ednh n\u0103ng t\u00edch h\u1ee3p kh\u00e1c, s\u1eb5n s\u00e0ng \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-t\u1ea1o-ham-lambda\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o h\u00e0m Lambda?\u00a0<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u0103ng nh\u1eadp v\u00e0o AWS Management Console v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn d\u1ecbch v\u1ee5 Lambda. Ch\u1ecdn \u201cCreate Function\u201d \u0111\u1ec3 b\u1eaft \u0111\u1ea7u quy tr\u00ecnh.\u00a0<\/li>\n\n\n\n<li>Ch\u1ecdn s\u1eed d\u1ee5ng b\u1ea3n thi\u1ebft k\u1ebf, AWS Serverless Application Repository ho\u1eb7c t\u1ef1 t\u1ea1o h\u00e0m. N\u1ebfu t\u1ef1 t\u1ea1o, b\u1ea1n s\u1ebd c\u1ea7n cung c\u1ea5p t\u00ean h\u00e0m v\u00e0 ch\u1ecdn runtime t\u1ee9c l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ho\u1eb7c n\u1ec1n t\u1ea3ng cho h\u00e0m Lambda c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n<li>Sau khi c\u1ea5u h\u00ecnh t\u00ean h\u00e0m v\u00e0 runtime s\u1ebd l\u00e0 thi\u1ebft l\u1eadp vai tr\u00f2 th\u1ef1c thi. Vai tr\u00f2 n\u00e0y c\u1ea5p cho h\u00e0m Lambda quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c d\u1ecbch v\u1ee5 v\u00e0 t\u00e0i nguy\u00ean AWS.\u00a0<\/li>\n\n\n\n<li>C\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t vai tr\u00f2 m\u1edbi v\u1edbi c\u00e1c quy\u1ec1n Lambda c\u01a1 b\u1ea3n ho\u1eb7c s\u1eed d\u1ee5ng m\u1ed9t vai tr\u00f2 hi\u1ec7n c\u00f3. Vi\u1ebft m\u00e3 h\u00e0m trong tr\u00ecnh inline code editor ho\u1eb7c t\u1ea3i l\u00ean t\u1ec7p .zip ch\u1ee9a m\u00e3 v\u00e0 c\u00e1c ph\u1ea7n ph\u1ee5 thu\u1ed9c sau khi vai tr\u00f2 th\u1ef1c thi \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp.<\/li>\n\n\n\n<li>C\u1ea5u h\u00ecnh c\u00e1c thi\u1ebft l\u1eadp h\u00e0m nh\u01b0 b\u1ed9 nh\u1edb, th\u1eddi gian ch\u1edd v\u00e0 bi\u1ebfn m\u00f4i tr\u01b0\u1eddng, sau \u0111\u00f3 tri\u1ec3n khai h\u00e0m Lambda b\u1eb1ng c\u00e1ch nh\u1ea5p v\u00e0o \u201cCreate Function\u201d.\u00a0<\/li>\n\n\n\n<li>Ki\u1ec3m tra, gi\u00e1m s\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh h\u00e0m khi c\u1ea7n thi\u1ebft trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n AWS Lambda.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-th\u1eddi-gian-th\u1ef1c-thi-t\u1ed1i-da-d\u1ec3-tuy-ch\u1ec9nh-m\u1ed9t-ham-aws-lambda-la-bao-lau\"><strong>Th\u1eddi gian th\u1ef1c thi t\u1ed1i \u0111a \u0111\u1ec3 t\u00f9y ch\u1ec9nh m\u1ed9t h\u00e0m AWS Lambda l\u00e0 bao l\u00e2u?\u00a0<\/strong><\/h3>\n\n\n\n<p>To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh th\u1ef1c thi s\u1ebd ho\u00e0n t\u1ea5t trong v\u00f2ng 900 gi\u00e2y k\u1ec3 t\u1eeb khi ng\u01b0\u1eddi d\u00f9ng \u0111\u1ea7u ti\u00ean g\u1ecdi AWS Lambda. Th\u1eddi gian ch\u1edd c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh t\u1eeb 1 \u0111\u1ebfn 900 gi\u00e2y, v\u1edbi gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh l\u00e0 3 gi\u00e2y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-aws-lambda-co-th\u1ec3-x\u1eed-ly-bao-nhieu-ram\"><strong>AWS Lambda c\u00f3 th\u1ec3 x\u1eed l\u00fd bao nhi\u00eau RAM?\u00a0<\/strong><\/h3>\n\n\n\n<p>Ch\u00fang ta c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh l\u01b0\u1ee3ng b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 cho h\u00e0m Lambda t\u1eeb 128 MB \u0111\u1ebfn 10240 MB.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-co-nh\u1eefng-framework-nao-danh-cho-serverless\"><strong>C\u00f3 nh\u1eefng framework n\u00e0o d\u00e0nh cho serverless?<\/strong>\u00a0<\/h3>\n\n\n\n<p>C\u00f3 nhi\u1ec1u framework v\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng serverless, ti\u00eau bi\u1ec3u nh\u01b0:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Serverless Framework (open-source, \u0111a cloud)<\/li>\n\n\n\n<li>AWS SAM (Serverless Application Model, do AWS cung c\u1ea5p)<\/li>\n\n\n\n<li>AWS CDK, Terraform (IaC)<\/li>\n\n\n\n<li>C\u00e1c micro-framework ng\u00f4n ng\u1eef nh\u01b0 Zappa (Python), Chalice (Python), Claudia.js (Node.js)&#8230;\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng framework n\u00e0y gi\u00fap qu\u1ea3n l\u00fd v\u00e0 tri\u1ec3n khai c\u00e1c h\u00e0m Lambda c\u00f9ng c\u00e1c d\u1ecbch v\u1ee5 li\u00ean quan m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng, nh\u1ea5t qu\u00e1n.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gi\u1ea3i-thich-cac-trinh-kich-ho\u1ea1t-khac-nhau-cho-cac-ham-aws-lambda\"><strong>Gi\u1ea3i th\u00edch c\u00e1c tr\u00ecnh k\u00edch ho\u1ea1t kh\u00e1c nhau cho c\u00e1c h\u00e0m AWS Lambda\u00a0<\/strong><\/h3>\n\n\n\n<p>AWS Lambda c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi nhi\u1ec1u lo\u1ea1i s\u1ef1 ki\u1ec7n kh\u00e1c nhau trong h\u1ec7 sinh th\u00e1i AWS ho\u1eb7c t\u1eeb ngu\u1ed3n b\u00ean ngo\u00e0i. V\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00e0m Lambda \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi d\u1eef li\u1ec7u trong Amazon S3 bucket thay \u0111\u1ed5i.\u00a0<\/li>\n\n\n\n<li>C\u00e1c s\u1ef1 ki\u1ec7n trong Amazon DynamoDB nh\u01b0 c\u1eadp nh\u1eadt b\u1ea3ng, c\u0169ng k\u00edch ho\u1ea1t c\u00e1c h\u00e0m Lambda.\u00a0<\/li>\n\n\n\n<li>\u1ee8ng d\u1ee5ng ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp g\u1ecdi c\u00e1c h\u00e0m Lambda th\u00f4ng qua AWS SDK.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c h\u00e0m Lambda \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi c\u00e1c y\u00eau c\u1ea7u HTTP th\u00f4ng qua Amazon API Gateway, gi\u00fap n\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng serverless.\u00a0<\/li>\n\n\n\n<li>C\u00e1c ngu\u1ed3n s\u1ef1 ki\u1ec7n b\u00ean ngo\u00e0i nh\u01b0 API c\u1ee7a b\u00ean th\u1ee9 ba ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng t\u00f9y ch\u1ec9nh c\u0169ng c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t h\u00e0m Lambda.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Nh\u1edd s\u1ef1 \u0111a d\u1ea1ng n\u00e0y, Lambda c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 nhi\u1ec1u use case, t\u1eeb x\u1eed l\u00fd d\u1eef li\u1ec7u ph\u00e1t tr\u1ef1c tuy\u1ebfn theo th\u1eddi gian th\u1ef1c, ph\u1ea3n h\u1ed3i thay \u0111\u1ed5i c\u01a1 s\u1edf d\u1eef li\u1ec7u. t\u01b0\u01a1ng t\u00e1c v\u1edbi tin nh\u1eafn v\u00e0 th\u00f4ng b\u00e1o<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ec2-la-gi-aws-lambda-khac-v\u1edbi-ec2-nh\u01b0-th\u1ebf-nao\"><strong>EC2 l\u00e0 g\u00ec? AWS Lambda kh\u00e1c v\u1edbi EC2 nh\u01b0 th\u1ebf n\u00e0o?<\/strong>\u00a0<\/h3>\n\n\n\n<p>Amazon Elastic Compute Cloud (EC2) l\u00e0 d\u1ecbch v\u1ee5 web cung c\u1ea5p kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc tr\u00ean \u0111\u00e1m m\u00e2y, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng ch\u1ea1y \u1ee9ng d\u1ee5ng v\u00e0 qu\u1ea3n l\u00fd kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng khi c\u1ea7n.<\/p>\n\n\n\n<p>AWS Lambda l\u00e0 d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n serverless, lo\u1ea1i b\u1ecf nhu c\u1ea7u cung c\u1ea5p ho\u1eb7c qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7. \u0110i\u1ec1u n\u00e0y tr\u00e1i ng\u01b0\u1ee3c v\u1edbi EC2, v\u1ed1n cung c\u1ea5p c\u00e1c m\u00e1y ch\u1ee7 \u1ea3o c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng y\u00eau c\u1ea7u thi\u1ebft l\u1eadp v\u00e0 qu\u1ea3n l\u00fd th\u1ee7 c\u00f4ng.&nbsp;<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c nhau n\u1ed5i b\u1eadt kh\u00e1c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lambda t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh dung l\u01b0\u1ee3ng t\u00ednh to\u00e1n b\u1eb1ng c\u00e1ch ch\u1ea1y m\u00e3 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c k\u00edch ho\u1ea1t. Trong khi v\u1edbi EC2, vi\u1ec7c m\u1edf r\u1ed9ng y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng ho\u1eb7c thi\u1ebft l\u1eadp t\u1ef1 \u0111\u1ed9ng m\u1edf r\u1ed9ng.<\/li>\n\n\n\n<li>C\u00e1c h\u00e0m Lambda c\u00f3 th\u1eddi gian th\u1ef1c thi h\u1ea1n ch\u1ebf cho c\u00e1c t\u00e1c v\u1ee5 ng\u1eafn h\u1ea1n, trong khi c\u00e1c phi\u00ean b\u1ea3n EC2 c\u00f3 th\u1ec3 ch\u1ea1y li\u00ean t\u1ee5c v\u00e0 x\u1eed l\u00fd c\u00e1c quy tr\u00ecnh d\u00e0i h\u1ea1n.\u00a0<\/li>\n\n\n\n<li>B\u1ea1n ch\u1ec9 ph\u1ea3i tr\u1ea3 ti\u1ec1n cho th\u1eddi gian t\u00ednh to\u00e1n s\u1eed d\u1ee5ng trong Lambda, gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed cho kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c kh\u00f4ng li\u00ean t\u1ee5c. EC2 ph\u00e1t sinh chi ph\u00ed d\u1ef1a tr\u00ean n\u0103ng l\u1ef1c t\u00ednh to\u00e1n, b\u1ea5t k\u1ec3 m\u1ee9c s\u1eed d\u1ee5ng.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y khi\u1ebfn Lambda ph\u00f9 h\u1ee3p v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c theo s\u1ef1 ki\u1ec7n v\u00e0 kh\u00f4ng th\u01b0\u1eddng xuy\u00ean, trong khi EC2 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean t\u1ee5c, \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-b\u1ea1n-qu\u1ea3n-ly-cac-ph\u1ee5-thu\u1ed9c-trong-aws-lambda-nh\u01b0-th\u1ebf-nao\"><strong>B\u1ea1n qu\u1ea3n l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c trong AWS Lambda nh\u01b0 th\u1ebf n\u00e0o?<\/strong>\u00a0<\/h3>\n\n\n\n<p>T\u00f4i th\u01b0\u1eddng qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c trong Lambda theo hai c\u00e1ch ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>G\u00f3i tri\u1ec3n khai:<\/li>\n<\/ul>\n\n\n\n<p>T\u00f4i \u0111\u00f3ng g\u00f3i c\u00e1c th\u01b0 vi\u1ec7n v\u00e0 th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft c\u00f9ng v\u1edbi h\u00e0m Lambda \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c trong AWS Lambda. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u1ea3m b\u1ea3o h\u00e0m c\u00f3 t\u1ea5t c\u1ea3 ph\u1ee5 thu\u1ed9c c\u1ea7n thi\u1ebft khi th\u1ef1c thi. C\u00e1c ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1ee3c bao g\u1ed3m trong g\u00f3i tri\u1ec3n khai, l\u00e0 m\u1ed9t t\u1ec7p .zip ch\u1ee9a m\u00e3 h\u00e0m Lambda v\u00e0 b\u1ea5t k\u1ef3 ph\u1ee5 thu\u1ed9c n\u00e0o li\u00ean quan. G\u00f3i n\u00e0y \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean AWS Lambda, n\u01a1i d\u1ecbch v\u1ee5 t\u1ef1 \u0111\u1ed9ng tri\u1ec3n khai v\u00e0 th\u1ef1c thi h\u00e0m trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng nh\u1ea5t qu\u00e1n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng Lambda Layers:<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c ph\u1ee5 thu\u1ed9c cho h\u00e0m AWS Lambda c\u0169ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1eb1ng Lambda Layers. Lambda Layers cho ph\u00e9p chia s\u1ebb c\u00e1c th\u00e0nh ph\u1ea7n chung tr\u00ean nhi\u1ec1u h\u00e0m Lambda, gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ed5ng th\u1ec3 c\u1ee7a c\u00e1c g\u00f3i tri\u1ec3n khai. T\u00ednh n\u0103ng n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c th\u01b0 vi\u1ec7n, runtime t\u00f9y ch\u1ec9nh v\u00e0 c\u00e1c ph\u1ee5 thu\u1ed9c kh\u00e1c \u0111\u01b0\u1ee3c nhi\u1ec1u h\u00e0m s\u1eed d\u1ee5ng.&nbsp;<\/p>\n\n\n\n<p>Lambda Layers th\u00fac \u0111\u1ea9y kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng m\u00e3 v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c, \u0111\u1ea3m b\u1ea3o c\u00e1c h\u00e0m c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o \u0111\u00fang phi\u00ean b\u1ea3n c\u1ee7a th\u01b0 vi\u1ec7n ho\u1eb7c th\u00e0nh ph\u1ea7n. AWS Lambda k\u1ebft h\u1ee3p m\u00e3 h\u00e0m v\u00e0 c\u00e1c layer \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u00f4i tr\u01b0\u1eddng runtime ho\u00e0n ch\u1ec9nh khi m\u1ed9t h\u00e0m Lambda \u0111\u01b0\u1ee3c g\u1ecdi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-co-gi\u1edbi-h\u1ea1n-s\u1ed1-l\u01b0\u1ee3ng-ham-aws-lambda-co-th\u1ec3-ch\u1ea1y-song-song-cung-luc-khong\"><strong>C\u00f3 gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng h\u00e0m AWS lambda c\u00f3 th\u1ec3 ch\u1ea1y song song c\u00f9ng l\u00fac kh\u00f4ng?<\/strong><\/h3>\n\n\n\n<p>Lambda c\u00f3 gi\u1edbi h\u1ea1n cho l\u01b0\u1ee3ng t\u00e0i nguy\u00ean t\u00ednh to\u00e1n v\u00e0 l\u01b0u tr\u1eef m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea1y v\u00e0 l\u01b0u tr\u1eef c\u00e1c h\u00e0m. AWS Lambda gi\u1edbi h\u1ea1n concurrent executions m\u1eb7c \u0111\u1ecbnh (1.000 m\u1ed7i region), 75GB l\u01b0u tr\u1eef cho c\u00e1c h\u00e0m \u0111\u00e3 t\u1ea3i l\u00ean v\u00e0 c\u00e1c layer, c\u00e1c gi\u1edbi h\u1ea1n n\u00e0y c\u00f3 th\u1ec3 t\u0103ng l\u00ean theo nhu c\u1ea7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cold-start-kh\u1edfi-d\u1ed9ng-ngu\u1ed9i-trong-aws-lambda-la-gi-va-no-\u1ea3nh-h\u01b0\u1edfng-d\u1ebfn-hi\u1ec7u-su\u1ea5t-nh\u01b0-th\u1ebf-nao\"><strong>Cold start (Kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i) trong AWS Lambda l\u00e0 g\u00ec v\u00e0 n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>Kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn qu\u00e1 tr\u00ecnh kh\u1edfi t\u1ea1o x\u1ea3y ra khi m\u1ed9t h\u00e0m Lambda \u0111\u01b0\u1ee3c g\u1ecdi l\u1ea7n \u0111\u1ea7u ti\u00ean ho\u1eb7c sau khi kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u00e1ng k\u1ec3. AWS Lambda t\u1ea3i m\u00e3 v\u00e0 runtime c\u1ee7a h\u00e0m v\u00e0o m\u1ed9t m\u00f4i tr\u01b0\u1eddng th\u1ef1c thi m\u1edbi trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i, thi\u1ebft l\u1eadp c\u00e1c t\u00e0i nguy\u00ean c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ea1y h\u00e0m.&nbsp;<\/p>\n\n\n\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y g\u00e2y ra \u0111\u1ed9 tr\u1ec5 trong th\u1ef1c thi h\u00e0m, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t b\u1eb1ng c\u00e1ch t\u0103ng th\u1eddi gian ph\u1ea3n h\u1ed3i cho y\u00eau c\u1ea7u ban \u0111\u1ea7u.<\/p>\n\n\n\n<p>Th\u1eddi gian kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 runtime \u0111\u00e3 ch\u1ecdn, k\u00edch th\u01b0\u1edbc g\u00f3i tri\u1ec3n khai v\u00e0 c\u1ea5u h\u00ecnh h\u00e0m. Kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i d\u1ec5 nh\u1eadn th\u1ea5y h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c h\u00e0m kh\u00f4ng \u0111\u01b0\u1ee3c g\u1ecdi th\u01b0\u1eddng xuy\u00ean, v\u00ec AWS Lambda s\u1eed d\u1ee5ng l\u1ea1i m\u00f4i tr\u01b0\u1eddng th\u1ef1c thi cho c\u00e1c l\u1ea7n g\u1ecdi ti\u1ebfp theo n\u1ebfu c\u00f3. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a m\u00e3, gi\u1ea3m thi\u1ec3u k\u00edch th\u01b0\u1edbc g\u00f3i v\u00e0 ch\u1ecdn c\u00e0i \u0111\u1eb7t b\u1ed9 nh\u1edb ph\u00f9 h\u1ee3p s\u1ebd gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i, \u0111\u1ed3ng th\u1eddi duy tr\u00ec hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mo-t\u1ea3-quy-trinh-qu\u1ea3n-ly-phien-b\u1ea3n-trong-aws-lambda\"><strong>M\u00f4 t\u1ea3 quy tr\u00ecnh qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n trong AWS Lambda.<\/strong><\/h3>\n\n\n\n<p>Qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n trong AWS Lambda bao g\u1ed3m vi\u1ec7c g\u00e1n m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t cho c\u00e1c phi\u00ean b\u1ea3n kh\u00e1c nhau c\u1ee7a h\u00e0m Lambda.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AWS Lambda t\u1ef1 \u0111\u1ed9ng g\u00e1n cho h\u00e0m m\u1ed9t s\u1ed1 phi\u00ean b\u1ea3n khi m\u1ed9t h\u00e0m Lambda \u0111\u01b0\u1ee3c t\u1ea1o, b\u1eaft \u0111\u1ea7u v\u1edbi $LATEST cho l\u1ea7n tri\u1ec3n khai g\u1ea7n \u0111\u00e2y nh\u1ea5t.\u00a0<\/li>\n\n\n\n<li>M\u1ed7i khi m\u1ed9t phi\u00ean b\u1ea3n m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh, AWS Lambda s\u1ebd t\u0103ng s\u1ed1 phi\u00ean b\u1ea3n v\u00e0 duy tr\u00ec l\u1ecbch s\u1eed c\u00e1c phi\u00ean b\u1ea3n tr\u01b0\u1edbc \u0111\u00f3. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p d\u1ec5 d\u00e0ng kh\u00f4i ph\u1ee5c v\u00e0 tham chi\u1ebfu \u0111\u1ebfn c\u00e1c c\u1ea5u h\u00ecnh h\u00e0m c\u0169 h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<p>Phi\u00ean b\u1ea3n c\u1ee5 th\u1ec3 c\u1ee7a h\u00e0m Lambda l\u00e0 b\u1ea5t bi\u1ebfn; sau khi \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n, m\u00e3 v\u00e0 c\u00e0i \u0111\u1eb7t c\u1ee7a h\u00e0m \u0111\u00f3 kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i. T\u00f4i s\u1eed d\u1ee5ng qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n \u0111\u1ec3 ki\u1ec3m tra m\u00e3 m\u1edbi trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t tr\u01b0\u1edbc khi c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n s\u1ea3n xu\u1ea5t.&nbsp;<\/p>\n\n\n\n<p>AWS Lambda c\u0169ng cho ph\u00e9p t\u1ea1o c\u00e1c alias tr\u1ecf \u0111\u1ebfn c\u00e1c phi\u00ean b\u1ea3n h\u00e0m c\u1ee5 th\u1ec3. T\u00f4i c\u1eadp nh\u1eadt h\u00e0m b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i alias \u0111\u1ec3 tr\u1ecf \u0111\u1ebfn phi\u00ean b\u1ea3n m\u1edbi, \u0111\u1ea3m b\u1ea3o gi\u1ea3m thi\u1ec3u gi\u00e1n \u0111o\u1ea1n v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i tri\u1ec3n khai blue-green.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-nh\u1eefng-h\u1ea1n-ch\u1ebf-khi-s\u1eed-d\u1ee5ng-aws-lambda-la-gi\"><strong>Nh\u1eefng h\u1ea1n ch\u1ebf khi s\u1eed d\u1ee5ng AWS Lambda l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<p>Nh\u1eefng h\u1ea1n ch\u1ebf khi s\u1eed d\u1ee5ng AWS Lambda bao g\u1ed3m c\u00e1c r\u00e0ng bu\u1ed9c c\u1ee5 th\u1ec3 v\u1ec1 m\u00f4i tr\u01b0\u1eddng th\u1ef1c thi v\u00e0 t\u00e0i nguy\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00e0m AWS Lambda c\u00f3 gi\u1edbi h\u1ea1n th\u1eddi gian th\u1ef1c thi t\u1ed1i \u0111a, h\u1ea1n ch\u1ebf c\u00e1c quy tr\u00ecnh ch\u1ea1y l\u00e2u h\u01a1n.\u00a0<\/li>\n\n\n\n<li>Vi\u1ec7c ph\u00e2n b\u1ed5 b\u1ed9 nh\u1edb cho h\u00e0m Lambda b\u1ecb gi\u1edbi h\u1ea1n, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 \u0111\u00f2i h\u1ecfi nhi\u1ec1u b\u1ed9 nh\u1edb.\u00a0<\/li>\n\n\n\n<li>AWS Lambda \u00e1p \u0111\u1eb7t gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc g\u00f3i tri\u1ec3n khai, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c th\u01b0 vi\u1ec7n ho\u1eb7c ph\u1ea7n ph\u1ee5 thu\u1ed9c l\u1edbn.<\/li>\n\n\n\n<li>H\u00e0m Lambda g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 khi th\u1ef1c thi h\u00e0m, \u0111\u1eb7c bi\u1ec7t l\u00e0 sau m\u1ed9t kho\u1ea3ng th\u1eddi gian kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.\u00a0<\/li>\n\n\n\n<li>Vi\u1ec7c t\u00edch h\u1ee3p v\u1edbi VPC c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp.\u00a0<\/li>\n\n\n\n<li>AWS Lambda \u00e1p d\u1ee5ng m\u00f4 h\u00ecnh thanh to\u00e1n tr\u1ea3 ti\u1ec1n theo m\u1ee9c s\u1eed d\u1ee5ng, \u0111i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn chi ph\u00ed kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n tr\u01b0\u1edbc cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 m\u00f4 h\u00ecnh s\u1eed d\u1ee5ng bi\u1ebfn \u0111\u1ed9ng.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-h\u01b0\u1edbng-d\u1eabn-tr\u1ea3-l\u1eddi-cac-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-lambda-trung-c\u1ea5p\"><span class=\"ez-toc-section\" id=\"Huong_dan_tra_loi_cac_cau_hoi_phong_van_Lambda_trung_cap\"><\/span><strong>H\u01b0\u1edbng d\u1eabn tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda trung c\u1ea5p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lambda-x\u1eed-ly-l\u1ed7i-trong-qua-trinh-x\u1eed-ly-s\u1ef1-ki\u1ec7n-nh\u01b0-th\u1ebf-nao\"><strong>Lambda x\u1eed l\u00fd l\u1ed7i trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd s\u1ef1 ki\u1ec7n nh\u01b0 th\u1ebf n\u00e0o?<\/strong>\u00a0<\/h3>\n\n\n\n<p>Trong Lambda, m\u1ed9t h\u00e0m \u0111\u01b0\u1ee3c ch\u1ea1y \u1edf ch\u1ebf \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 ho\u1eb7c b\u1ea5t \u0111\u1ed3ng b\u1ed9. N\u1ebfu m\u1ed9t h\u00e0m b\u1ecb l\u1ed7i \u1edf ch\u1ebf \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9, n\u00f3 ch\u1ec9 t\u1ea1o ra m\u1ed9t ngo\u1ea1i l\u1ec7 cho \u1ee9ng d\u1ee5ng g\u1ecdi h\u00e0m \u0111\u00f3. N\u1ebfu m\u1ed9t h\u00e0m b\u1ecb l\u1ed7i \u1edf ch\u1ebf \u0111\u1ed9 b\u1ea5t \u0111\u1ed3ng b\u1ed9, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c th\u1eed l\u1ea1i \u00edt nh\u1ea5t 3 l\u1ea7n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-aws-lambda-edge-la-gi-va-d\u01b0\u1ee3c-s\u1eed-d\u1ee5ng-nh\u01b0-th\u1ebf-nao\"><strong>AWS Lambda@Edge l\u00e0 g\u00ec v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong>\u00a0<\/h3>\n\n\n\n<p>AWS Lambda@Edge l\u00e0 m\u1ed9t t\u00ednh n\u0103ng c\u1ee7a AWS Lambda cho ph\u00e9p ch\u1ea1y c\u00e1c h\u00e0m Lambda t\u1ea1i c\u00e1c v\u1ecb tr\u00ed AWS Edge g\u1ea7n ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i h\u01a1n, nh\u1edd \u0111\u00f3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t. Edge t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi Amazon CloudFront, m\u1ed9t m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN), cho ph\u00e9p th\u1ef1c thi m\u00e3 tr\u00ean m\u1ea1ng l\u01b0\u1edbi to\u00e0n c\u1ea7u c\u00e1c v\u1ecb tr\u00ed AWS m\u00e0 kh\u00f4ng c\u1ea7n cung c\u1ea5p ho\u1eb7c qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7. T\u00ednh n\u0103ng n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho vi\u1ec7c t\u00f9y ch\u1ec9nh n\u1ed9i dung \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i qua CloudFront nh\u01b0 c\u00e1 nh\u00e2n h\u00f3a trang web, ch\u1ec9nh s\u1eeda h\u00ecnh \u1ea3nh ho\u1eb7c t\u1ea1o ph\u1ea3n h\u1ed3i d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi xem.<\/p>\n\n\n\n<p>Lambda@Edge h\u1ed7 tr\u1ee3 c\u00e1c ng\u00f4n ng\u1eef AWS Lambda chu\u1ea9n v\u00e0 tu\u00e2n theo c\u00f9ng m\u1ed9t m\u00f4 h\u00ecnh th\u1ef1c thi. D\u1ecbch v\u1ee5 n\u00e0y l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u truy c\u1eadp t\u00e0i nguy\u00ean AWS v\u1edbi \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u HTTP theo th\u1eddi gian th\u1ef1c. Lambda@Edge t\u1ef1 \u0111\u1ed9ng m\u1edf r\u1ed9ng theo s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u, \u0111\u1ea3m b\u1ea3o t\u00ednh kh\u1ea3 d\u1ee5ng cao v\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 ph\u1ea3n h\u1ed3i nhanh h\u01a1n b\u1eb1ng c\u00e1ch \u0111\u01b0a kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n \u0111\u1ebfn g\u1ea7n h\u01a1n v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-kh\u1eafc-ph\u1ee5c-l\u1ed7i-trong-cac-ham-aws-lambda\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i trong c\u00e1c h\u00e0m AWS Lambda?<\/strong>\u00a0<\/h3>\n\n\n\n<p>\u0110\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i trong c\u00e1c h\u00e0m AWS Lambda, t\u00f4i th\u01b0\u1eddng tu\u00e2n theo c\u00e1c nguy\u00ean t\u1eafc sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra CloudWatch Logs \u0111\u1ec3 t\u00ecm th\u00f4ng b\u00e1o l\u1ed7i v\u00e0 theo d\u00f5i stack nh\u1eb1m kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 trong c\u00e1c h\u00e0m AWS Lambda. C\u00e1c logs n\u00e0y cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 vi\u1ec7c th\u1ef1c thi c\u00e1c h\u00e0m Lambda v\u00e0 b\u1ea5t k\u1ef3 l\u1ed7i n\u00e0o x\u1ea3y ra.\u00a0<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o h\u00e0m c\u00f3 \u0111\u1ee7 quy\u1ec1n v\u00e0 vai tr\u00f2 c\u1ea7n thi\u1ebft, x\u00e1c th\u1ef1c c\u1ea5u h\u00ecnh c\u1ee7a h\u00e0m, bao g\u1ed3m c\u00e0i \u0111\u1eb7t th\u1eddi gian ch\u1edd v\u00e0 ph\u00e2n b\u1ed5 b\u1ed9 nh\u1edb, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng.\u00a0<\/li>\n\n\n\n<li>Xem l\u1ea1i input d\u1eef li\u1ec7u s\u1ef1 ki\u1ec7n \u0111\u1ec3 x\u00e1c nh\u1eadn n\u00f3 tu\u00e2n th\u1ee7 \u0111\u1ecbnh d\u1ea1ng v\u00e0 c\u1ea5u tr\u00fac d\u1ef1 ki\u1ebfn. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec input data kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c b\u1ecb l\u1ed7i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i runtime.<\/li>\n\n\n\n<li>Ki\u1ec3m tra ch\u1ee9c n\u0103ng c\u1ee5c b\u1ed9 b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 AWS SAM ho\u1eb7c kh\u1ea3 n\u0103ng ki\u1ec3m tra c\u1ee5c b\u1ed9 Lambda \u0111\u1ec3 sao ch\u00e9p v\u00e0 ch\u1ea9n \u0111o\u00e1n s\u1ef1 c\u1ed1 trong m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. N\u1ebfu s\u1ef1 c\u1ed1 v\u1eabn ti\u1ebfp di\u1ec5n, b\u1eadt AWS X-Ray cho h\u00e0m Lambda, t\u00ednh n\u0103ng n\u00e0y cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 lu\u1ed3ng th\u1ef1c thi, gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ngh\u1ebdn ho\u1eb7c l\u1ed7i.\u00a0<\/li>\n\n\n\n<li>Kh\u1eafc ph\u1ee5c m\u1ecdi s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i m\u1ea1ng b\u1eb1ng c\u00e1ch ki\u1ec3m tra c\u00e0i \u0111\u1eb7t VPC n\u1ebfu h\u00e0m Lambda \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 truy c\u1eadp t\u00e0i nguy\u00ean trong VPC.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-b\u1ea1n-s\u1eeda-l\u1ed7i-\u1ee9ng-d\u1ee5ng-serverless-nh\u01b0-th\u1ebf-nao\"><strong>B\u1ea1n s\u1eeda l\u1ed7i \u1ee9ng d\u1ee5ng serverless nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>\u0110\u1ec3 s\u1eeda l\u1ed7i trong \u1ee9ng d\u1ee5ng serverless, t\u00f4i s\u1eed d\u1ee5ng AWS X-Ray k\u1ebft h\u1ee3p v\u1edbi CloudWatch \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cung c\u1ea5p quy\u1ec1n truy c\u1eadp x-ray v\u00e0o c\u00e1c vai tr\u00f2 h\u00e0m Lambda \u0111\u1ec3 th\u1ef1c thi;<\/li>\n\n\n\n<li>Thi\u1ebft l\u1eadp \u201cmode of code tracing\u201d \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n\n\n\n<p>Khi ng\u01b0\u1eddi d\u00f9ng k\u00edch ho\u1ea1t c\u00e1c th\u00e0nh ph\u1ea7n X-RAY cho Lambda, h\u1ec7 th\u1ed1ng s\u1ebd b\u1eaft \u0111\u1ea7u ghi l\u1ea1i nhi\u1ec1u th\u00f4ng tin kh\u00e1c nhau, bao g\u1ed3m th\u1eddi gian d\u00e0nh cho t\u1eebng d\u1ecbch v\u1ee5 Lambda, t\u1ed5ng th\u1eddi gian d\u00e0nh cho t\u1ea5t c\u1ea3 c\u00e1c d\u1ecbch v\u1ee5 Lambda, th\u1eddi l\u01b0\u1ee3ng th\u1ef1c thi c\u1ee7a t\u1eebng ch\u1ee9c n\u0103ng&#8230; Hi\u1ec7n t\u1ea1i, c\u00f3 c\u00e1c b\u1ed9 c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m (SDK) X-ray cho c\u1ea3 Node.js v\u00e0 Java.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-quy-trinh-thi\u1ebft-l\u1eadp-vpc-v\u1edbi-aws-lambda-nh\u01b0-th\u1ebf-nao\"><strong>Quy tr\u00ecnh thi\u1ebft l\u1eadp VPC v\u1edbi AWS Lambda nh\u01b0 th\u1ebf n\u00e0o?<\/strong>\u00a0<\/h3>\n\n\n\n<p>Ng\u01b0\u1eddi d\u00f9ng c\u1ea7n t\u1ea1o m\u1ed9t VPC trong AWS Management Console. Quy tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c x\u00e1c \u0111\u1ecbnh d\u1ea3i \u0111\u1ecba ch\u1ec9 IP (IP address range), t\u1ea1o subnet v\u00e0 thi\u1ebft l\u1eadp Internet Gateway.<\/p>\n\n\n\n<p>Sau khi VPC \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh VPC cho c\u00e1c h\u00e0m AWS Lambda b\u1eb1ng c\u00e1ch ch\u1ec9 \u0111\u1ecbnh subnet v\u00e0 Security Group (nh\u00f3m b\u1ea3o m\u1eadt) trong ph\u1ea7n c\u1ea5u h\u00ecnh h\u00e0m Lambda. C\u1ea5u h\u00ecnh n\u00e0y cho ph\u00e9p Lambda truy c\u1eadp t\u00e0i nguy\u00ean b\u00ean trong VPC.<\/p>\n\n\n\n<p>Security Group v\u00e0 Network Access Control List (NACL) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng v\u00e0o v\u00e0 ra kh\u1ecfi c\u00e1c h\u00e0m Lambda. Ng\u01b0\u1eddi d\u00f9ng c\u1ea7n thi\u1ebft l\u1eadp c\u00e1c quy t\u1eafc cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft v\u00e0 g\u00e1n IAM role ph\u00f9 h\u1ee3p \u0111\u1ec3 h\u00e0m Lambda c\u00f3 quy\u1ec1n truy c\u1eadp c\u00e1c d\u1ecbch v\u1ee5 AWS kh\u00e1c trong VPC. Vi\u1ec7c tri\u1ec3n khai Lambda v\u1edbi c\u1ea5u h\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o n\u00f3 ho\u1ea1t \u0111\u1ed9ng an to\u00e0n trong m\u00f4i tr\u01b0\u1eddng VPC.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-moi-tr\u01b0\u1eddng-sandbox-c\u1ee7a-aws-lambda-co-nh\u1eefng-h\u1ea1n-ch\u1ebf-gi-va-\u1ea3nh-h\u01b0\u1edfng-ra-sao\"><strong>M\u00f4i tr\u01b0\u1eddng sandbox c\u1ee7a AWS Lambda c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf g\u00ec v\u00e0 \u1ea3nh h\u01b0\u1edfng ra sao?<\/strong><\/h3>\n\n\n\n<p>M\u00f4i tr\u01b0\u1eddng sandbox c\u1ee7a Lambda kh\u00f4ng cho ph\u00e9p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u1ebft n\u1ed1i qua c\u1ed5ng TCP 25 (\u0111\u1ec3 ng\u0103n spam email).<\/li>\n\n\n\n<li>K\u1ebft n\u1ed1i m\u1ea1ng inbound (nh\u1eadn k\u1ebft n\u1ed1i t\u1eeb b\u00ean ngo\u00e0i) ho\u1eb7c m\u1edf phi\u00ean debug.<\/li>\n\n\n\n<li>Quy\u1ec1n truy c\u1eadp root ho\u1eb7c c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m t\u00f9y \u00fd tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh Lambda.<\/li>\n<\/ul>\n\n\n\n<p>Lambda ch\u1ec9 h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i outbound qua TCP\/IP. \u0110i\u1ec1u n\u00e0y ngh\u0129a l\u00e0 b\u1ea1n kh\u00f4ng th\u1ec3 l\u1eafng nghe socket ho\u1eb7c truy c\u1eadp tr\u1ef1c ti\u1ebfp t\u00e0i nguy\u00ean n\u1ed9i b\u1ed9 trong VPC n\u1ebfu ch\u01b0a c\u1ea5u h\u00ecnh VPC. Ngo\u00e0i ra, b\u1ea1n kh\u00f4ng c\u00f3 quy\u1ec1n truy c\u1eadp root ho\u1eb7c c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m t\u00f9y \u00fd tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh Lambda &#8211; ph\u1ea3i \u0111\u00f3ng g\u00f3i m\u1ecdi th\u1ee9 c\u1ea7n thi\u1ebft trong h\u00e0m ho\u1eb7c layer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-gi\u1ea3i-thich-cach-s\u1eed-d\u1ee5ng-bi\u1ebfn-moi-tr\u01b0\u1eddng-trong-aws-lambda\"><strong>Gi\u1ea3i th\u00edch c\u00e1ch s\u1eed d\u1ee5ng bi\u1ebfn m\u00f4i tr\u01b0\u1eddng trong AWS Lambda?<\/strong>\u00a0<\/h3>\n\n\n\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng bi\u1ebfn m\u00f4i tr\u01b0\u1eddng trong AWS Lambda gi\u00fap l\u01b0u tr\u1eef c\u00e1c thi\u1ebft l\u1eadp c\u1ea5u h\u00ecnh v\u00e0 b\u1ea3o m\u1eadt th\u00f4ng tin nh\u1ea1y c\u1ea3m, cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n thay \u0111\u1ed5i h\u00e0nh vi c\u1ee7a h\u00e0m Lambda m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i m\u00e3. Bi\u1ebfn m\u00f4i tr\u01b0\u1eddng l\u00e0 c\u1eb7p key-value l\u01b0u tr\u1eef d\u1eef li\u1ec7u nh\u01b0 chu\u1ed7i k\u1ebft n\u1ed1i c\u01a1 s\u1edf d\u1eef li\u1ec7u, file path v\u00e0 kh\u00f3a API. Ch\u00fang c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c trong m\u00e3 h\u00e0m Lambda v\u00e0 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.&nbsp;<\/p>\n\n\n\n<p>H\u00e0m Lambda truy xu\u1ea5t gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c bi\u1ebfn m\u00f4i tr\u01b0\u1eddng n\u00e0y khi ch\u1ea1y, cho ph\u00e9p t\u00e1ch d\u1eef li\u1ec7u b\u00ed m\u1eadt kh\u1ecfi m\u00e3 h\u00e0m, h\u1ed7 tr\u1ee3 quy tr\u00ecnh ph\u00e1t tri\u1ec3n an to\u00e0n v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n. Bi\u1ebfn m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c quy tr\u00ecnh tri\u1ec3n khai, v\u00ec ch\u00fang cho ph\u00e9p thi\u1ebft l\u1eadp \u1edf nhi\u1ec1u giai \u0111o\u1ea1n kh\u00e1c nhau nh\u01b0 ph\u00e1t tri\u1ec3n, th\u1eed nghi\u1ec7m v\u00e0 s\u1ea3n xu\u1ea5t. M\u00e3 h\u00f3a bi\u1ebfn m\u00f4i tr\u01b0\u1eddng b\u1eb1ng AWS Key Management Service (KMS) \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, \u0111\u1ea3m b\u1ea3o th\u00f4ng tin nh\u1ea1y c\u1ea3m \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, cho ph\u00e9p c\u1ea5u h\u00ecnh h\u00e0m linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-b\u1ea1n-qu\u1ea3n-ly-va-c\u1eadp-nh\u1eadt-ma-ham-lambda-nh\u01b0-th\u1ebf-nao\"><strong>B\u1ea1n qu\u1ea3n l\u00fd v\u00e0 c\u1eadp nh\u1eadt m\u00e3 h\u00e0m Lambda nh\u01b0 th\u1ebf n\u00e0o?<\/strong>\u00a0<\/h3>\n\n\n\n<p>T\u00f4i s\u1eed d\u1ee5ng AWS Management Console ho\u1eb7c AWS CLI (giao di\u1ec7n d\u00f2ng l\u1ec7nh) \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 c\u1eadp nh\u1eadt m\u00e3 h\u00e0m Lambda.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Management Console cung c\u1ea5p giao di\u1ec7n \u0111\u1ed3 h\u1ecda th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 t\u1ea3i l\u00ean m\u00e3 m\u1edbi ho\u1eb7c ch\u1ec9nh s\u1eeda tr\u1ef1c ti\u1ebfp m\u00e3 hi\u1ec7n c\u00f3. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng thay \u0111\u1ed5i nh\u1ecf ho\u1eb7c c\u1eadp nh\u1eadt nhanh.\u00a0<\/li>\n\n\n\n<li>AWS CLI \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt l\u1edbn h\u01a1n ho\u1eb7c tri\u1ec3n khai t\u1ef1 \u0111\u1ed9ng, v\u00ec n\u00f3 cho ph\u00e9p scripting v\u00e0 t\u00edch h\u1ee3p v\u1edbi quy tr\u00ecnh CI\/CD .<\/li>\n<\/ul>\n\n\n\n<p>H\u00e0m Lambda c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u00f4ng qua c\u00e1c c\u00f4ng c\u1ee5 IaC nh\u01b0 AWS CloudFormation ho\u1eb7c Serverless Framework, cho ph\u00e9p ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n v\u00e0 c\u1eadp nh\u1eadt h\u1ec7 th\u1ed1ng c\u00e1c h\u00e0m Lambda nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a tri\u1ec3n khai \u1ee9ng d\u1ee5ng l\u1edbn h\u01a1n. C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt m\u00e3 \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng tri\u1ec3n khai khi c\u1ea5u h\u00ecnh IaC thay \u0111\u1ed5i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mo-t\u1ea3-tr\u01b0\u1eddng-h\u1ee3p-s\u1eed-d\u1ee5ng-aws-lambda-v\u1edbi-amazon-dynamodb\"><strong>M\u00f4 t\u1ea3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng AWS Lambda v\u1edbi Amazon DynamoDB?<\/strong>\u00a0<\/h3>\n\n\n\n<p>C\u00e1c h\u00e0m AWS Lambda c\u00f3 th\u1ec3 x\u1eed l\u00fd, chuy\u1ec3n \u0111\u1ed5i ho\u1eb7c t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u ngay khi d\u1eef li\u1ec7u m\u1edbi \u0111\u01b0\u1ee3c ghi v\u00e0o Amazon DynamoDB, m\u00e0 kh\u00f4ng c\u1ea7n thao t\u00e1c th\u1ee7 c\u00f4ng hay tri\u1ec3n khai th\u00eam c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng. C\u00e1ch thi\u1ebft l\u1eadp n\u00e0y l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u x\u1eed l\u00fd d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c, nh\u01b0 theo d\u00f5i h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng, c\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i \u0111\u01a1n h\u00e0ng ho\u1eb7c gi\u00e1m s\u00e1t t\u1ed3n kho.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5: khi kh\u00e1ch h\u00e0ng \u0111\u1eb7t s\u1ea3n ph\u1ea9m, m\u1ed9t m\u1ee5c m\u1edbi s\u1ebd \u0111\u01b0\u1ee3c th\u00eam v\u00e0o b\u1ea3ng Orders trong DynamoDB. S\u1ef1 ki\u1ec7n n\u00e0y t\u1ef1 \u0111\u1ed9ng k\u00edch ho\u1ea1t m\u1ed9t h\u00e0m Lambda \u0111\u00e3 c\u1ea5u h\u00ecnh s\u1eb5n. H\u00e0m n\u00e0y \u0111\u1ecdc d\u1eef li\u1ec7u \u0111\u01a1n h\u00e0ng, t\u00ednh to\u00e1n \u0111i\u1ec3m th\u01b0\u1edfng d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb \u0111\u01a1n h\u00e0ng v\u00e0 c\u1eadp nh\u1eadt \u0111i\u1ec3m v\u00e0o h\u1ed3 s\u01a1 kh\u00e1ch h\u00e0ng. To\u00e0n b\u1ed9 quy tr\u00ecnh di\u1ec5n ra t\u1ef1 \u0111\u1ed9ng, kh\u00f4ng c\u1ea7n m\u00e1y ch\u1ee7 v\u1eadt l\u00fd, gi\u00fap qu\u1ea3n l\u00fd v\u00e0 t\u00ednh to\u00e1n \u0111i\u1ec3m th\u01b0\u1edfng nhanh ch\u00f3ng, ch\u00ednh x\u00e1c v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-t\u1ed1i-\u01b0u-hoa-th\u1eddi-gian-cold-start-kh\u1edfi-d\u1ed9ng-ngu\u1ed9i-cho-aws-lambda-trong-moi-tr\u01b0\u1eddng-s\u1ea3n-xu\u1ea5t\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a th\u1eddi gian cold start (kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i) cho AWS Lambda trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t?<\/strong>\u00a0<\/h3>\n\n\n\n<p>\u0110\u1ec3 gi\u1ea3m thi\u1ec3u th\u1eddi gian kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i (cold start), c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ed1i \u01b0u g\u00f3i tri\u1ec3n khai: Gi\u1eef k\u00edch th\u01b0\u1edbc nh\u1ecf, lo\u1ea1i b\u1ecf ph\u1ee5 thu\u1ed9c kh\u00f4ng c\u1ea7n thi\u1ebft, d\u00f9ng c\u00f4ng c\u1ee5 nh\u01b0 Webpack \u0111\u1ec3 \u0111\u00f3ng g\u00f3i v\u00e0 thu g\u1ecdn m\u00e3.<\/li>\n\n\n\n<li>Ch\u1ecdn runtime c\u00f3 th\u1eddi gian kh\u1edfi \u0111\u1ed9ng nhanh: V\u00ed d\u1ee5 nh\u01b0 Node.js ho\u1eb7c Python th\u01b0\u1eddng c\u00f3 th\u1eddi gian cold start ng\u1eafn h\u01a1n so v\u1edbi c\u00e1c runtime kh\u00e1c.<\/li>\n\n\n\n<li>Kh\u1edfi t\u1ea1o c\u00e1c t\u00e0i nguy\u00ean quan tr\u1ecdng b\u00ean ngo\u00e0i handler (tr\u00ecnh x\u1eed l\u00fd): C\u00e1c k\u1ebft n\u1ed1i ho\u1eb7c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o tr\u01b0\u1edbc \u0111\u1ec3 s\u1eb5n s\u00e0ng khi h\u00e0m Lambda ch\u1ea1y.\u00a0<\/li>\n\n\n\n<li>G\u1ecdi h\u00e0m Lambda theo l\u1ecbch: Vi\u1ec7c kh\u1edfi \u0111\u1ed9ng tr\u01b0\u1edbc c\u00e1c h\u00e0m Lambda b\u1eb1ng c\u00e1ch k\u00edch ho\u1ea1t ch\u00fang th\u01b0\u1eddng xuy\u00ean s\u1ebd \u0111\u1ea3m b\u1ea3o ch\u00fang lu\u00f4n \u1edf tr\u1ea1ng th\u00e1i s\u1eb5n s\u00e0ng, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng Provisioned Concurrency: Duy tr\u00ec s\u1eb5n m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng phi\u00ean b\u1ea3n Lambda \u0111\u00e3 kh\u1edfi t\u1ea1o tr\u01b0\u1edbc, \u0111\u1ea3m b\u1ea3o ph\u1ea3n h\u1ed3i g\u1ea7n nh\u01b0 t\u1ee9c th\u00ec khi l\u01b0u l\u01b0\u1ee3ng t\u0103ng \u0111\u1ed9t bi\u1ebfn.<\/li>\n<\/ul>\n\n\n\n<p>B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, \u1ee9ng d\u1ee5ng s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tr\u1ec5 khi cold start, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng production.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-lambda-c\u1ea5p-cao\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_Lambda_cap_cao\"><\/span><strong>C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda c\u1ea5p cao<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-b\u1ea1n-x\u1eed-ly-cac-giao-d\u1ecbch-phan-tan-trong-ki\u1ebfn-truc-serverless-b\u1eb1ng-aws-lambda-nh\u01b0-th\u1ebf-nao\"><strong>B\u1ea1n x\u1eed l\u00fd c\u00e1c giao d\u1ecbch ph\u00e2n t\u00e1n trong ki\u1ebfn tr\u00fac serverless b\u1eb1ng AWS Lambda nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>Trong ki\u1ebfn tr\u00fac serverless v\u1edbi AWS Lambda, t\u00f4i th\u01b0\u1eddng x\u1eed l\u00fd c\u00e1c giao d\u1ecbch ph\u00e2n t\u00e1n b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng saga pattern. M\u1ed7i b\u01b0\u1edbc trong giao d\u1ecbch s\u1ebd l\u00e0 m\u1ed9t h\u00e0m Lambda ri\u00eang bi\u1ec7t v\u00e0 n\u1ebfu m\u1ed9t b\u01b0\u1edbc n\u00e0o \u0111\u00f3 th\u1ea5t b\u1ea1i, t\u00f4i s\u1ebd tri\u1ec3n khai c\u00e1c h\u00e0m b\u00f9 tr\u1eeb \u0111\u1ec3 ho\u00e0n t\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc \u0111\u00f3.&nbsp;<\/p>\n\n\n\n<p>T\u00f4i c\u0169ng t\u00edch h\u1ee3p AWS Step Functions \u0111\u1ec3 \u0111i\u1ec1u ph\u1ed1i lu\u1ed3ng l\u00e0m vi\u1ec7c gi\u1eefa c\u00e1c Lambda, \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i c\u1ee7a giao d\u1ecbch. T\u00f4i s\u1eed d\u1ee5ng Amazon DynamoDB l\u00e0m kho d\u1eef li\u1ec7u cho tr\u1ea1ng th\u00e1i giao d\u1ecbch gi\u00fap duy tr\u00ec s\u1ef1 \u0111\u1ed3ng b\u1ed9 v\u00e0 cho ph\u00e9p d\u1ec5 d\u00e0ng truy v\u1ea5n tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-c\u1ea7n-can-nh\u1eafc-gi-khi-tri\u1ec3n-khai-quy-trinh-ci-cd-cho-cac-ham-lambda\"><strong>C\u1ea7n c\u00e2n nh\u1eafc g\u00ec khi tri\u1ec3n khai quy tr\u00ecnh CI\/CD cho c\u00e1c h\u00e0m Lambda?<\/strong>\u00a0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quy tr\u00ecnh CI\/CD cho AWS Lambda c\u1ea7n t\u00edch h\u1ee3p v\u1edbi AWS CodeCommit, CodeBuild v\u00e0 CodePipeline \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a x\u00e2y d\u1ef1ng, ki\u1ec3m th\u1eed v\u00e0 tri\u1ec3n khai.<\/li>\n\n\n\n<li>N\u00ean h\u1ed7 tr\u1ee3 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai nh\u01b0 Blue\/Green ho\u1eb7c Canary \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro.\u00a0<\/li>\n\n\n\n<li>Quy tr\u00ecnh ph\u1ea3i c\u00f3 ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n, qu\u1ea3n l\u00fd hi\u1ec7n v\u1eadt v\u00e0 ki\u1ec3m th\u1eed t\u1ef1 \u0111\u1ed9ng (\u0111\u01a1n v\u1ecb, t\u00edch h\u1ee3p, hi\u1ec7u su\u1ea5t) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady.<\/li>\n\n\n\n<li>C\u1ea7n gi\u00e1m s\u00e1t v\u00e0 logging b\u1eb1ng AWS CloudWatch \u0111\u1ec3 theo d\u00f5i hi\u1ec7u su\u1ea5t.<\/li>\n\n\n\n<li>Pipeline ph\u1ea3i linh ho\u1ea1t \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi c\u00e1c thay \u0111\u1ed5i c\u1ee7a h\u00e0m Lambda.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-di\u1ec1u-gi-x\u1ea3y-ra-khi-d\u1ea1t-d\u1ebfn-s\u1ed1-l\u1ea7n-th\u1ef1c-hi\u1ec7n-t\u1ed1i-da-tren-m\u1ed9t-tai-kho\u1ea3n\"><strong>\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi \u0111\u1ea1t \u0111\u1ebfn s\u1ed1 l\u1ea7n th\u1ef1c hi\u1ec7n t\u1ed1i \u0111a tr\u00ean m\u1ed9t t\u00e0i kho\u1ea3n?<\/strong><\/h3>\n\n\n\n<p>Khi \u0111\u1ea1t \u0111\u1ebfn ng\u01b0\u1ee1ng n\u00e0y, l\u1ec7nh g\u1ecdi \u0111\u1ed3ng b\u1ed9 \u0111\u1ebfn c\u00e1c h\u00e0m AWS Lambda s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c l\u1ed7i cho bi\u1ebft ng\u01b0\u1ee1ng \u0111\u00e3 \u0111\u1ea1t (m\u00e3 l\u1ed7i 429). C\u00e1c h\u00e0m Lambda \u0111\u01b0\u1ee3c g\u1ecdi kh\u00f4ng \u0111\u1ed3ng b\u1ed9 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ee3t t\u0103ng \u0111\u1ed9t bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng th\u01b0\u1eddng xuy\u00ean trong 15 &#8211; 30 ph\u00fat tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u b\u1eaft \u0111\u1ea7u t\u1eeb ch\u1ed1i v\u00e0 \u0111i\u1ec1u ti\u1ebft c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ebfn.&nbsp;<\/p>\n\n\n\n<p>N\u1ebfu h\u00e0m Lambda \u0111ang \u0111\u01b0\u1ee3c g\u1ecdi \u0111\u1ec3 ph\u1ea3n h\u1ed3i c\u00e1c s\u1ef1 ki\u1ec7n Amazon S3 b\u1ecb t\u1eeb ch\u1ed1i, Amazon S3 c\u00f3 th\u1ec3 gi\u1eef c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u00f3 trong t\u1ed1i \u0111a 24 gi\u1edd v\u00e0 th\u1eed x\u1eed l\u00fd l\u1ea1i trong th\u1eddi gian \u0111\u00f3. C\u00e1c s\u1ef1 ki\u1ec7n t\u1eeb lu\u1ed3ng Amazon Kinesis v\u00e0 Amazon DynamoDB \u0111\u01b0\u1ee3c th\u1eed l\u1ea1i trong tr\u01b0\u1eddng h\u1ee3p h\u00e0m Lambda kh\u00f4ng th\u00e0nh c\u00f4ng ho\u1eb7c d\u1eef li\u1ec7u kh\u00f4ng h\u1ebft h\u1ea1n v\u00e0o th\u1eddi \u0111i\u1ec3m th\u00edch h\u1ee3p. Lu\u1ed3ng Amazon Kinesis v\u00e0 Amazon DynamoDB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong m\u1ed9t ng\u00e0y t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cac-ham-d\u1ef1a-tren-lambda-co-con-kh\u1ea3-d\u1ee5ng-sau-khi-ma-ho\u1eb7c-c\u1ea5u-hinh-thay-d\u1ed5i-khong\"><strong>C\u00e1c h\u00e0m d\u1ef1a tr\u00ean Lambda c\u00f3 c\u00f2n kh\u1ea3 d\u1ee5ng sau khi m\u00e3 ho\u1eb7c c\u1ea5u h\u00ecnh thay \u0111\u1ed5i kh\u00f4ng?<\/strong>\u00a0<\/h3>\n\n\n\n<p>C\u00f3, c\u00e1c h\u00e0m d\u1ef1a tr\u00ean Lambda v\u1eabn kh\u1ea3 d\u1ee5ng sau khi m\u00e3 ho\u1eb7c c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c thay \u0111\u1ed5i. Khi m\u1ed9t h\u00e0m Lambda \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, s\u1ebd c\u00f3 m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn (ch\u01b0a \u0111\u1ebfn 1 ph\u00fat) \u0111\u1ec3 c\u00e1c y\u00eau c\u1ea7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi phi\u00ean b\u1ea3n c\u0169 ho\u1eb7c m\u1edbi c\u1ee7a h\u00e0m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-tang-b\u1ed9-nh\u1edb-d\u01b0\u1ee3c-phan-b\u1ed5-cho-ham-lambda-va-di\u1ec1u-nay-\u1ea3nh-h\u01b0\u1edfng-nh\u01b0-th\u1ebf-nao-d\u1ebfn-hi\u1ec7u-su\u1ea5t\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u0103ng b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 cho h\u00e0m Lambda v\u00e0 \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn hi\u1ec7u su\u1ea5t?<\/strong><\/h3>\n\n\n\n<p>\u0110\u1ec3 t\u0103ng b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 cho m\u1ed9t h\u00e0m Lambda, t\u00f4i \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n AWS Lambda, ch\u1ecdn h\u00e0m \u0111\u00f3 v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t b\u1ed9 nh\u1edb trong tab \u2018Configuration\u2019. Vi\u1ec7c t\u0103ng b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t b\u1eb1ng c\u00e1ch cung c\u1ea5p nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng CPU h\u01a1n, nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng chi ph\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-chi\u1ebfn-l\u01b0\u1ee3c-nao-giup-x\u1eed-ly-cac-l\u1ec7nh-g\u1ecdi-t\u1ea7n-su\u1ea5t-cao-quy-mo-l\u1edbn-trong-aws-lambda-ma-khong-d\u1ea1t-d\u1ebfn-gi\u1edbi-h\u1ea1n-di\u1ec1u-ti\u1ebft\"><strong>Chi\u1ebfn l\u01b0\u1ee3c n\u00e0o gi\u00fap x\u1eed l\u00fd c\u00e1c l\u1ec7nh g\u1ecdi t\u1ea7n su\u1ea5t cao, quy m\u00f4 l\u1edbn trong AWS Lambda m\u00e0 kh\u00f4ng \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n \u0111i\u1ec1u ti\u1ebft?<\/strong>\u00a0<\/h3>\n\n\n\n<p>T\u00f4i th\u01b0\u1eddng \u00e1p d\u1ee5ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u0103ng gi\u1edbi h\u1ea1n \u0111\u1ed3ng th\u1eddi d\u00e0nh ri\u00eang cho h\u00e0m Lambda. H\u00e0nh \u0111\u1ed9ng n\u00e0y tr\u1ef1c ti\u1ebfp t\u0103ng s\u1ed1 l\u01b0\u1ee3ng phi\u00ean b\u1ea3n c\u00f3 th\u1ec3 ch\u1ea1y \u0111\u1ed3ng th\u1eddi, gi\u00fap qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao h\u01a1n.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng AWS Step Functions \u0111\u1ec3 \u0111i\u1ec1u ph\u1ed1i v\u00e0 qu\u1ea3n l\u00fd c\u00e1c h\u00e0m Lambda. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u1ea3m b\u1ea3o th\u1ef1c thi v\u00e0 x\u1eed l\u00fd l\u1ed7i hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c ph\u1ee9c t\u1ea1p.<\/li>\n\n\n\n<li>Vi\u1ec7c thi\u1ebft k\u1ebf hi\u1ec7u qu\u1ea3 c\u00e1c h\u00e0m Lambda c\u0169ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng. Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a m\u00e3 \u0111\u1ec3 th\u1ef1c thi nhanh h\u01a1n s\u1ebd gi\u1ea3m th\u1eddi gian c\u1ee7a m\u1ed7i l\u1ea7n g\u1ecdi, cho ph\u00e9p nhi\u1ec1u h\u00e0m \u0111\u01b0\u1ee3c th\u1ef1c thi h\u01a1n trong c\u00f9ng m\u1ed9t khung th\u1eddi gian.\u00a0<\/li>\n\n\n\n<li>Tri\u1ec3n khai c\u01a1 ch\u1ebf th\u1eed l\u1ea1i (retry) v\u1edbi Exponential Backoff v\u00e0 Jitter \u0111\u1ec3 x\u1eed l\u00fd tr\u01a1n tru c\u00e1c l\u1ea7n g\u1ecdi h\u00e0m \u0111\u1ed9t bi\u1ebfn. C\u01a1 ch\u1ebf n\u00e0y th\u1eed l\u1ea1i c\u00e1c l\u1ea7n g\u1ecdi h\u00e0m kh\u00f4ng th\u00e0nh c\u00f4ng v\u1edbi \u0111\u1ed9 tr\u1ec5 t\u0103ng d\u1ea7n, ng\u0103n ch\u1eb7n s\u1ef1 gia t\u0103ng \u0111\u1ed9t ng\u1ed9t c\u00e1c l\u1ec7nh g\u1ecdi h\u00e0m.\u00a0<\/li>\n\n\n\n<li>Gi\u00e1m s\u00e1t v\u00e0 logging v\u1edbi AWS CloudWatch \u0111\u1ec3 theo d\u00f5i hi\u1ec7u su\u1ea5t Lambda theo th\u1eddi gian th\u1ef1c, x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft nhanh ch\u00f3ng c\u00e1c s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec1u ti\u1ebft.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-trinh-bay-nh\u1eefng-ph\u01b0\u01a1ng-phap-t\u1ed1t-nh\u1ea5t-d\u1ec3-logging-va-monitoring-\u1edf-quy-mo-l\u1edbn-v\u1edbi-aws-lambda\"><strong>Tr\u00ecnh b\u00e0y nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t \u0111\u1ec3 logging v\u00e0 monitoring \u1edf quy m\u00f4 l\u1edbn v\u1edbi AWS Lambda?<\/strong>\u00a0<\/h3>\n\n\n\n<p>Khi s\u1ed1 l\u01b0\u1ee3ng h\u00e0m Lambda t\u0103ng, vi\u1ec7c logging v\u00e0 monitoring c\u1ea7n chi\u1ebfn l\u01b0\u1ee3c r\u00f5 r\u00e0ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Qu\u1ea3n l\u00fd log t\u1eadp trung b\u1eb1ng Amazon CloudWatch Logs<\/strong> \u0111\u1ec3 t\u1ed5ng h\u1ee3p nh\u1eadt k\u00fd tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c h\u00e0m Lambda. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u1ebf \u0111\u1ed9 xem nh\u1eadt k\u00fd th\u1ed1ng nh\u1ea5t, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n ph\u00e2n t\u00edch v\u00e0 gi\u00e1m s\u00e1t d\u1ec5 d\u00e0ng h\u01a1n.\u00a0<\/li>\n\n\n\n<li><strong>Tri\u1ec3n khai logging c\u00f3 c\u1ea5u tr\u00fac b\u1eb1ng JSON cho log messages<\/strong>. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y n\u00e2ng cao kh\u1ea3 n\u0103ng \u0111\u1ecdc v\u00e0 l\u1ecdc nh\u1eadt k\u00fd.\u00a0<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng AWS X-Ray<\/strong> \u0111\u1ec3 theo d\u00f5i chi ti\u1ebft vi\u1ec7c th\u1ef1c thi h\u00e0m Lambda. X-Ray cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u00e0m Lambda, gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u00e0 s\u1ef1 c\u1ed1.<\/li>\n\n\n\n<li><strong>Thi\u1ebft l\u1eadp gi\u00e1m s\u00e1t v\u00e0 c\u1ea3nh b\u00e1o theo th\u1eddi gian th\u1ef1c b\u1eb1ng CloudWatch Metrics v\u00e0 Alarms.<\/strong> C\u00e1c c\u00f4ng c\u1ee5 n\u00e0y theo d\u00f5i c\u00e1c ch\u1ec9 s\u1ed1 quan tr\u1ecdng nh\u01b0 t\u1ef7 l\u1ec7 l\u1ed7i v\u00e0 th\u1eddi gian th\u1ef1c thi, k\u00edch ho\u1ea1t th\u00f4ng b\u00e1o khi c\u00f3 b\u1ea5t k\u1ef3 b\u1ea5t th\u01b0\u1eddng ho\u1eb7c vi ph\u1ea1m ng\u01b0\u1ee1ng n\u00e0o.\u00a0<\/li>\n\n\n\n<li><strong>T\u1ed1i \u01b0u h\u00f3a ch\u00ednh s\u00e1ch l\u01b0u gi\u1eef nh\u1eadt k\u00fd<\/strong> trong CloudWatch Logs \u0111\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa kh\u1ea3 n\u0103ng truy c\u1eadp d\u1eef li\u1ec7u l\u1ecbch s\u1eed v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed. Tri\u1ec3n khai c\u00e1c chi\u1ebfn l\u01b0\u1ee3c lu\u00e2n chuy\u1ec3n v\u00e0 l\u01b0u tr\u1eef nh\u1eadt k\u00fd \u0111\u1ec3 qu\u1ea3n l\u00fd kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u nh\u1eadt k\u00fd theo th\u1eddi gian.\u00a0<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng AWS Lambda Insights<\/strong> \u0111\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t h\u00e0m Lambda. Lambda Insights cung c\u1ea5p c\u00e1c ch\u1ec9 s\u1ed1 v\u00e0 nh\u1eadt k\u00fd n\u00e2ng cao tr\u1ef1c ti\u1ebfp trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Lambda, h\u1ed7 tr\u1ee3 x\u00e1c minh v\u00e0 \u0111i\u1ec1u ch\u1ec9nh nhanh ch\u00f3ng.\u00a0<\/li>\n\n\n\n<li><strong>Th\u01b0\u1eddng xuy\u00ean xem x\u00e9t v\u00e0 c\u1eadp nh\u1eadt c\u00e1c thi\u1ebft l\u1eadp monitoring v\u00e0 logging <\/strong>\u0111\u1ec3 b\u1eaft k\u1ecbp v\u1edbi c\u00e1c y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t c\u1ee7a AWS.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mo-t\u1ea3-cac-tr\u01b0\u1eddng-h\u1ee3p-s\u1eed-d\u1ee5ng-nang-cao-cho-aws-lambda-v\u1edbi-quy\u1ec1n-truy-c\u1eadp-lien-tai-kho\u1ea3n\"><strong>M\u00f4 t\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00e2ng cao cho AWS Lambda v\u1edbi quy\u1ec1n truy c\u1eadp li\u00ean t\u00e0i kho\u1ea3n?<\/strong>\u00a0<\/h3>\n\n\n\n<p>M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p m\u00e0 t\u00f4i \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1eadn d\u1ee5ng AWS Lambda cho c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p, c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 b\u1ea3o m\u1eadt tr\u00ean nhi\u1ec1u t\u00e0i kho\u1ea3n AWS. C\u00e1c h\u00e0m AWS Lambda c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi t\u00e0i nguy\u00ean trong c\u00e1c t\u00e0i kho\u1ea3n AWS kh\u00e1c nhau, mang \u0111\u1ebfn gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd cho ki\u1ebfn tr\u00fac ph\u00e2n t\u00e1n. Quy\u1ec1n truy c\u1eadp li\u00ean t\u00e0i kho\u1ea3n r\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c t\u1ed5 ch\u1ee9c l\u1edbn c\u00f3 nhi\u1ec1u \u0111\u01a1n v\u1ecb kinh doanh c\u1ea7n truy c\u1eadp v\u00e0o t\u00e0i nguy\u00ean d\u00f9ng chung, \u0111\u1ed3ng th\u1eddi duy tr\u00ec ki\u1ec3m so\u00e1t truy c\u1eadp v\u00e0 b\u1ea3o m\u1eadt nghi\u00eam ng\u1eb7t.<\/li>\n\n\n\n<li>C\u00e1c h\u00e0m Lambda \u0111\u1ea3m nh\u1eadn vai tr\u00f2 trong c\u00e1c t\u00e0i kho\u1ea3n AWS kh\u00e1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng nh\u01b0 x\u1eed l\u00fd d\u1eef li\u1ec7u, g\u1ecdi API ho\u1eb7c qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean. Thi\u1ebft l\u1eadp n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh c\u00f4 l\u1eadp v\u00e0 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u, v\u00ec c\u00e1c h\u00e0m Lambda th\u1ef1c thi trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u1edbi c\u00e1c quy\u1ec1n c\u1ee5 th\u1ec3. B\u1eb1ng c\u00e1ch tri\u1ec3n khai k\u00edch ho\u1ea1t li\u00ean t\u00e0i kho\u1ea3n, c\u00e1c h\u00e0m Lambda ph\u1ea3n h\u1ed3i c\u00e1c s\u1ef1 ki\u1ec7n trong m\u1ed9t t\u00e0i kho\u1ea3n v\u00e0 th\u1ef1c thi t\u00e1c v\u1ee5 trong m\u1ed9t t\u00e0i kho\u1ea3n kh\u00e1c, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c giao ti\u1ebfp gi\u1eefa c\u00e1c t\u00e0i kho\u1ea3n li\u1ec1n m\u1ea1ch.\u00a0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lambda-co-c\u01a1-ch\u1ebf-tang-nang-l\u1ef1c-tinh-toan-rieng-scale-vertical-hay-khong-n\u1ebfu-co-thi-cach-th\u1ee9c-tang-nh\u01b0-th\u1ebf-nao\"><strong>Lambda c\u00f3 c\u01a1 ch\u1ebf t\u0103ng n\u0103ng l\u1ef1c t\u00ednh to\u00e1n ri\u00eang (scale vertical) hay kh\u00f4ng? N\u1ebfu c\u00f3, th\u00ec c\u00e1ch th\u1ee9c t\u0103ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>Lambda kh\u00f4ng cho scale d\u1ecdc CPU hay g\u1eafn th\u00eam t\u00e0i nguy\u00ean nh\u01b0 server; c\u00e1ch duy nh\u1ea5t l\u00e0 t\u0103ng memory (c\u0169ng t\u0103ng CPU proportionally) ho\u1eb7c chuy\u1ec3n workload qua d\u1ecbch v\u1ee5 kh\u00e1c n\u1ebfu m\u1ed9t instance Lambda kh\u00f4ng \u0111\u1ee7 s\u1ee9c.<\/p>\n\n\n\n<p>\u0110\u1ec3 x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c l\u1edbn, Lambda ch\u1ee7 y\u1ebfu scale theo chi\u1ec1u ngang (t\u1ea1o nhi\u1ec1u instance h\u00e0m \u0111\u1ec3 x\u1eed l\u00fd song song) thay v\u00ec vertical scaling.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-tri\u1ec3n-khai-c\u01a1-ch\u1ebf-\u1ee7y-quy\u1ec1n-tuy-ch\u1ec9nh-cho-cac-ham-aws-lambda\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 tri\u1ec3n khai c\u01a1 ch\u1ebf \u1ee7y quy\u1ec1n t\u00f9y ch\u1ec9nh cho c\u00e1c h\u00e0m AWS Lambda?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng c\u00e1c vai tr\u00f2 v\u00e0 ch\u00ednh s\u00e1ch IAM \u0111\u1ec3 tri\u1ec3n khai c\u01a1 ch\u1ebf \u1ee7y quy\u1ec1n t\u00f9y ch\u1ec9nh cho c\u00e1c h\u00e0m AWS Lambda. C\u00e1c vai tr\u00f2 n\u00e0y x\u00e1c \u0111\u1ecbnh quy\u1ec1n cho h\u00e0m Lambda, \u0111\u1ea3m b\u1ea3o quy\u1ec1n truy c\u1eadp an to\u00e0n v\u00e0 c\u1ee5 th\u1ec3 v\u00e0o t\u00e0i nguy\u00ean AWS.\u00a0<\/li>\n\n\n\n<li>T\u00edch h\u1ee3p Lambda v\u1edbi Amazon API Gateway \u0111\u1ec3 qu\u1ea3n l\u00fd quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c h\u00e0m, cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c tr\u00ecnh \u1ee7y quy\u1ec1n Lambda &#8211; l\u00e0 m\u00e3 t\u00f9y ch\u1ec9nh x\u00e1c th\u1ef1c c\u00e1c m\u00e3 th\u00f4ng b\u00e1o ng\u01b0\u1eddi g\u1eedi, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e3 th\u00f4ng b\u00e1o OAuth ho\u1eb7c x\u00e1c nh\u1eadn SAML, c\u1ea5p quy\u1ec1n truy c\u1eadp h\u00e0m Lambda.<\/li>\n\n\n\n<li>C\u1ea5u h\u00ecnh tr\u00ecnh x\u00e1c th\u1ef1c Lambda trong API Gateway \u0111\u1ec3 th\u1ef1c thi logic x\u00e1c th\u1ef1c t\u00f9y ch\u1ec9nh c\u1ee7a m\u00ecnh. H\u00e0m Lambda tr\u1ea3 v\u1ec1 ch\u00ednh s\u00e1ch IAM m\u00e0 API Gateway s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea5p ho\u1eb7c t\u1eeb ch\u1ed1i quy\u1ec1n truy c\u1eadp v\u00e0o h\u00e0m Lambda. Qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c bao g\u1ed3m API Gateway g\u1ecdi tr\u00ecnh x\u00e1c th\u1ef1c Lambda, sau \u0111\u00f3 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c \u1ee9ng d\u1ee5ng th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u d\u1ef1a tr\u00ean logic t\u00f9y ch\u1ec9nh. API Gateway ch\u1ec9 chuy\u1ec3n ti\u1ebfp y\u00eau c\u1ea7u \u0111\u1ebfn h\u00e0m Lambda \u0111\u00edch sau khi x\u00e1c th\u1ef1c v\u00e0 x\u00e1c th\u1ef1c th\u00e0nh c\u00f4ng.\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-lambda-gi\u1ea3i-quy\u1ebft-tinh-hu\u1ed1ng\"><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_Lambda_giai_quyet_tinh_huong\"><\/span><strong>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda gi\u1ea3i quy\u1ebft t\u00ecnh hu\u1ed1ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-x\u1eed-ly-tinh-b\u1ea5t-bi\u1ebfn-trong-aws-lambda-ham-lambda-x\u1eed-ly-thanh-toan-nh\u01b0ng-do-s\u1ef1-c\u1ed1-m\u1ea1ng-m\u1ed9t-s\u1ed1-request-b\u1ecb-g\u1eedi-l\u1ea1i-d\u1eabn-d\u1ebfn-tinh-phi-trung-l\u1eb7p-b\u1ea1n-s\u1ebd-tri\u1ec3n-khai-idempotency-nh\u01b0-th\u1ebf-nao\"><strong>X\u1eed l\u00fd t\u00ednh b\u1ea5t bi\u1ebfn trong AWS Lambda: H\u00e0m Lambda x\u1eed l\u00fd thanh to\u00e1n nh\u01b0ng do s\u1ef1 c\u1ed1 m\u1ea1ng, m\u1ed9t s\u1ed1 request b\u1ecb g\u1eedi l\u1ea1i, d\u1eabn \u0111\u1ebfn t\u00ednh ph\u00ed tr\u00f9ng l\u1eb7p. B\u1ea1n s\u1ebd tri\u1ec3n khai idempotency nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>T\u00f4i tri\u1ec3n khai t\u00ednh n\u0103ng idempotency b\u1eb1ng c\u00e1ch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng DynamoDB ho\u1eb7c Redis \u0111\u1ec3 l\u01b0u tr\u1eef ID giao d\u1ecbch \u0111\u00e3 x\u1eed l\u00fd.<\/li>\n\n\n\n<li>Tri\u1ec3n khai m\u00e3 th\u00f4ng b\u00e1o idempotency \u0111\u01b0\u1ee3c truy\u1ec1n trong ti\u00eau \u0111\u1ec1 y\u00eau c\u1ea7u.<\/li>\n\n\n\n<li>C\u1ea5u h\u00ecnh \u00e1nh x\u1ea1 ngu\u1ed3n s\u1ef1 ki\u1ec7n Lambda \u0111\u1ec3 lo\u1ea1i b\u1ecf tin nh\u1eafn tr\u00f9ng l\u1eb7p cho c\u00e1c lu\u1ed3ng SQS ho\u1eb7c DynamoDB.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khi-truy-v\u1ea5n-m\u1ed9t-database-l\u1edbn-tren-rds-lambda-b\u1ecb-timeout-sau-15s-theo-b\u1ea1n-co-nh\u1eefng-cach-nao-d\u1ec3-c\u1ea3i-thi\u1ec7n-tinh-tr\u1ea1ng-nay\"><strong>Khi truy v\u1ea5n m\u1ed9t database l\u1edbn tr\u00ean RDS, Lambda b\u1ecb timeout sau 15s. Theo b\u1ea1n, c\u00f3 nh\u1eefng c\u00e1ch n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ecnh tr\u1ea1ng n\u00e0y?<\/strong><\/h3>\n\n\n\n<p>T\u00f4i s\u1ebd x\u1eed l\u00fd b\u1eb1ng c\u00e1c b\u01b0\u1edbc sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ed1i \u01b0u h\u00f3a c\u00e1c truy v\u1ea5n SQL v\u00e0 s\u1eed d\u1ee5ng ch\u1ec9 m\u1ee5c ph\u00f9 h\u1ee3p.<\/li>\n\n\n\n<li>T\u0103ng gi\u1edbi h\u1ea1n th\u1eddi gian ch\u1edd Lambda (t\u1ed1i \u0111a 15 ph\u00fat).<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng RDS Proxy \u0111\u1ec3 qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i c\u01a1 s\u1edf d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3.<\/li>\n\n\n\n<li>T\u00f4i c\u00e2n nh\u1eafc vi\u1ec7c di chuy\u1ec3n c\u00e1c truy v\u1ea5n ch\u1ea1y l\u00e2u d\u00e0i sang Step Functions .<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-b\u1ea1n-s\u1ebd-lam-gi-khi-tri\u1ec3n-khai-lambda-khong-thanh-cong-do-kich-th\u01b0\u1edbc-goi\"><strong>B\u1ea1n s\u1ebd l\u00e0m g\u00ec khi tri\u1ec3n khai Lambda kh\u00f4ng th\u00e0nh c\u00f4ng do k\u00edch th\u01b0\u1edbc g\u00f3i?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng c\u00e1c l\u1edbp Lambda \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1ee3c chia s\u1ebb.<\/li>\n\n\n\n<li>L\u01b0u tr\u1eef c\u00e1c t\u1ec7p l\u1edbn trong S3 v\u00e0 t\u1ea3i ch\u00fang xu\u1ed1ng khi ch\u1ea1y.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c ph\u1ee5 thu\u1ed9c kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng th\u1eddi gian ch\u1ea1y t\u00f9y ch\u1ec9nh n\u1ebfu c\u00f3 th\u1ec3.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-trong-m\u1ed9t-workflow-x\u1eed-ly-\u1ea3nh-upload-lambda-m\u1ea5t-kha-nhi\u1ec1u-th\u1eddi-gian-n\u1ebfu-g\u1eb7p-case-nay-b\u1ea1n-s\u1ebd-d\u1ec1-xu\u1ea5t-nh\u1eefng-cach-t\u1ed1i-\u01b0u-nao\"><strong>Trong m\u1ed9t workflow x\u1eed l\u00fd \u1ea3nh upload, Lambda m\u1ea5t kh\u00e1 nhi\u1ec1u th\u1eddi gian. N\u1ebfu g\u1eb7p case n\u00e0y, b\u1ea1n s\u1ebd \u0111\u1ec1 xu\u1ea5t nh\u1eefng c\u00e1ch t\u1ed1i \u01b0u n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>M\u1ed9t s\u1ed1 c\u00e1ch t\u1ed1i \u01b0u t\u00f4i s\u1ebd ngh\u0129 \u0111\u1ebfn l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u0103ng b\u1ed9 nh\u1edb v\u00e0 CPU \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 (b\u1ed9 nh\u1edb nhi\u1ec1u h\u01a1n s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u0103ng CPU).<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng th\u00f4ng b\u00e1o s\u1ef1 ki\u1ec7n S3 \u0111\u1ec3 k\u00edch ho\u1ea1t quy tr\u00ecnh l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a (v\u00ed d\u1ee5: SQS ho\u1eb7c Step Functions).<\/li>\n\n\n\n<li>Chuy\u1ec3n giao c\u00e1c t\u00e1c v\u1ee5 t\u00ednh to\u00e1n n\u1eb7ng sang AWS Batch ho\u1eb7c Fargate .<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-khi-b\u1ea1n-khong-th\u1ea5y-b\u1ea5t-k\u1ef3-log-nao-trong-cloudwatch-du-lambda-da-ch\u1ea1y-b\u1ea1n-s\u1ebd-ki\u1ec3m-tra-theo-h\u01b0\u1edbng-nao\"><strong>Khi b\u1ea1n kh\u00f4ng th\u1ea5y b\u1ea5t k\u1ef3 log n\u00e0o trong CloudWatch d\u00f9 Lambda \u0111\u00e3 ch\u1ea1y, b\u1ea1n s\u1ebd ki\u1ec3m tra theo h\u01b0\u1edbng n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>T\u00f4i s\u1ebd d\u00f9ng c\u00e1c c\u00e1ch sau \u0111\u1ec3 ki\u1ec3m tra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ea3m b\u1ea3o vai tr\u00f2 IAM c\u00f3 quy\u1ec1n AWSLambdaBasicExecutionRole<\/li>\n\n\n\n<li>Ghi nh\u1eadt k\u00fd tin nh\u1eafn theo c\u00e1ch th\u1ee7 c\u00f4ng b\u1eb1ng console.log (Node.js) ho\u1eb7c print (Python).<\/li>\n\n\n\n<li>Ki\u1ec3m tra ch\u00ednh s\u00e1ch l\u01b0u gi\u1eef c\u1ee7a CloudWatch (nh\u1eadt k\u00fd c\u00f3 th\u1ec3 b\u1ecb x\u00f3a sau m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh).<\/li>\n\n\n\n<li>X\u00e1c minh CloudWatch c\u00f3 n\u1eb1m c\u00f9ng v\u00f9ng v\u1edbi Lambda kh\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-b\u1ea1n-co-m\u1ed9t-ham-aws-lambda-d\u01b0\u1ee3c-kich-ho\u1ea1t-b\u1edfi-api-gateway-ham-th\u1ef1c-thi-thanh-cong-nh\u01b0ng-api-gateway-l\u1ea1i-tr\u1ea3-v\u1ec1-l\u1ed7i-500-internal-server-error-nguyen-nhan-co-th\u1ec3-la-gi-va-cach-x\u1eed-ly-ra-sao\"><strong>B\u1ea1n c\u00f3 m\u1ed9t h\u00e0m AWS Lambda \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi API Gateway. H\u00e0m th\u1ef1c thi th\u00e0nh c\u00f4ng, nh\u01b0ng API Gateway l\u1ea1i tr\u1ea3 v\u1ec1 l\u1ed7i 500 Internal Server Error. Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 l\u00e0 g\u00ec v\u00e0 c\u00e1ch x\u1eed l\u00fd ra sao?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra CloudWatch logs \u0111\u1ec3 t\u00ecm l\u1ed7i th\u1ef1c thi Lambda.<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o h\u00e0m Lambda tr\u1ea3 v\u1ec1 ph\u1ea3n h\u1ed3i JSON \u0111\u01b0\u1ee3c \u0111\u1ecbnh d\u1ea1ng \u0111\u00fang.<\/li>\n\n\n\n<li>X\u00e1c minh vai tr\u00f2 IAM \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o API Gateway c\u00f3 quy\u1ec1n g\u1ecdi h\u00e0m Lambda.<\/li>\n\n\n\n<li>X\u00e1c th\u1ef1c mapping ph\u1ea3n h\u1ed3i t\u00edch h\u1ee3p c\u1ee7a API Gateway.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-b\u1ea3o-m\u1eadt-d\u1eef-li\u1ec7u-nh\u1ea1y-c\u1ea3m-nh\u01b0-thong-tin-dang-nh\u1eadp-c\u01a1-s\u1edf-d\u1eef-li\u1ec7u-trong-aws-lambda\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m nh\u01b0 th\u00f4ng tin \u0111\u0103ng nh\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u trong AWS Lambda?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng AWS Secrets Manager ho\u1eb7c SSM Parameter Store thay v\u00ec hard-code th\u00f4ng tin x\u00e1c th\u1ef1c.<\/li>\n\n\n\n<li>H\u1ea1n ch\u1ebf quy\u1ec1n IAM theo nguy\u00ean t\u1eafc least privilege (\u0111\u1eb7c quy\u1ec1n t\u1ed1i thi\u1ec3u).<\/li>\n\n\n\n<li>M\u00e3 h\u00f3a c\u00e1c bi\u1ebfn m\u00f4i tr\u01b0\u1eddng b\u1eb1ng KMS.<\/li>\n\n\n\n<li>Theo d\u00f5i nh\u1eadt k\u00fd truy c\u1eadp th\u00f4ng qua AWS CloudTrail.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-chu\u1ea9n-b\u1ecb-t\u1ed1t-cho-ph\u1ea7n-ph\u1ecfng-v\u1ea5n-aws-lambda\"><span class=\"ez-toc-section\" id=\"Lam_the_nao_de_chuan_bi_tot_cho_phan_phong_van_AWS_Lambda\"><\/span><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chu\u1ea9n b\u1ecb t\u1ed1t cho ph\u1ea7n ph\u1ecfng v\u1ea5n AWS Lambda?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 d\u1ec5 d\u00e0ng v\u01b0\u1ee3t qua ph\u1ea7n ph\u1ecfng v\u1ea5n v\u1ec1 AWS Lambda, b\u1ea1n n\u00ean t\u1eadp trung \u00f4n t\u1eadp c\u00e1c nh\u00f3m ki\u1ebfn th\u1ee9c sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c kh\u00e1i ni\u1ec7m v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a AWS Lambda.\u00a0<\/li>\n\n\n\n<li>Ki\u1ebfn th\u1ee9c v\u1ec1 ki\u1ebfn tr\u00fac serverless, \u0111i\u1ec7n to\u00e1n h\u01b0\u1edbng s\u1ef1 ki\u1ec7n v\u00e0 t\u00edch h\u1ee3p Lambda v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 AWS kh\u00e1c.\u00a0<\/li>\n\n\n\n<li>Ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c AWS Lambda h\u1ed7 tr\u1ee3 nh\u01b0 Python, Node.js v\u00e0 Java, \u0111\u1ed3ng th\u1eddi th\u1ef1c h\u00e0nh vi\u1ebft v\u00e0 tri\u1ec3n khai c\u00e1c h\u00e0m Lambda.\u00a0<\/li>\n\n\n\n<li>Th\u00e0nh th\u1ea1o m\u00f4 h\u00ecnh \u0111\u1ecbnh gi\u00e1 c\u1ee7a Lambda, c\u00e1c k\u1ef9 thu\u1eadt t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn.\u00a0<\/li>\n\n\n\n<li>C\u00e1c kh\u00eda c\u1ea1nh b\u1ea3o m\u1eadt c\u1ee7a AWS Lambda, bao g\u1ed3m c\u00e1c vai tr\u00f2 v\u00e0 quy\u1ec1n IAM.<\/li>\n\n\n\n<li>C\u00e1ch gi\u00e1m s\u00e1t v\u00e0 g\u1ee1 l\u1ed7i c\u00e1c h\u00e0m Lambda b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 AWS nh\u01b0 CloudWatch v\u00e0 X-Ray.<\/li>\n<\/ul>\n\n\n\n<p>Ngo\u00e0i ra, \u0111\u1ec3 tr\u1ea3 l\u1eddi t\u1ed1t c\u00e1c c\u00e2u h\u1ecfi t\u00ecnh hu\u1ed1ng, b\u1ea1n n\u00ean t\u00edch l\u0169y nhi\u1ec1u kinh nghi\u1ec7m th\u1ef1c t\u1ebf b\u1eb1ng c\u00e1ch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ea1o c\u00e1c d\u1ef1 \u00e1n m\u1eabu s\u1eed d\u1ee5ng AWS Lambda trong c\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf nh\u01b0 t\u1ef1 \u0111\u1ed9ng h\u00f3a t\u00e1c v\u1ee5 ho\u1eb7c t\u00edch h\u1ee3p v\u1edbi AWS S3 v\u00e0 DynamoDB.<\/li>\n\n\n\n<li>L\u00e0m quen v\u1edbi c\u00e1c g\u00f3i tri\u1ec3n khai, qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n v\u00e0 \u0111\u1eb7t alias c\u1ee7a Lambda.<\/li>\n\n\n\n<li>Hi\u1ec3u c\u00e1c gi\u1edbi h\u1ea1n c\u1ee7a Lambda nh\u01b0 th\u1eddi gian th\u1ef1c thi v\u00e0 ph\u00e2n b\u1ed5 b\u1ed9 nh\u1edb, c\u0169ng nh\u01b0 c\u00e1ch l\u00e0m vi\u1ec7c trong ph\u1ea1m vi c\u00e1c h\u1ea1n ch\u1ebf n\u00e0y.<\/li>\n\n\n\n<li>Th\u1ef1c h\u00e0nh c\u00e1c k\u1ef9 thu\u1eadt kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn cho h\u00e0m Lambda<\/li>\n\n\n\n<li>T\u1ed5ng h\u1ee3p l\u1ea1i c\u00e1c d\u1ef1 \u00e1n ho\u1eb7c kinh nghi\u1ec7m tr\u01b0\u1edbc \u0111\u00e2y c\u1ee7a b\u1ea1n li\u00ean quan \u0111\u1ebfn AWS Lambda.\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Kinh nghi\u1ec7m th\u1ef1c t\u1ebf n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n hi\u1ec3u s\u00e2u h\u01a1n m\u00e0 c\u00f2n cho ph\u00e9p b\u1ea1n \u0111\u01b0a ra c\u00e1c v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 trong bu\u1ed5i ph\u1ecfng v\u1ea5n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft-cau-h\u1ecfi-ph\u1ecfng-v\u1ea5n-lambda\"><span class=\"ez-toc-section\" id=\"Tong_ket_cau_hoi_phong_van_Lambda\"><\/span><strong>T\u1ed5ng k\u1ebft c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Vi\u1ec7c n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c l\u00fd thuy\u1ebft v\u1ec1 ki\u1ebfn tr\u00fac serverless, m\u00f4 h\u00ecnh \u0111\u1ecbnh gi\u00e1, c\u00f9ng v\u1edbi kinh nghi\u1ec7m th\u1ef1c t\u1ebf trong vi\u1ec7c tri\u1ec3n khai v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1, s\u1ebd l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 b\u1ea1n v\u01b0\u1ee3t qua c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda AWS m\u1ed9t c\u00e1ch xu\u1ea5t s\u1eafc. H\u00e3y luy\u1ec7n t\u1eadp tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda m\u00e0 ITviec v\u1eeba chia s\u1ebb, chu\u1ea9n b\u1ecb c\u00e1c v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n v\u00e0 t\u1ef1 tin th\u1ec3 hi\u1ec7n nh\u1eefng k\u1ef9 n\u0103ng m\u00e0 b\u1ea1n \u0111\u00e3 c\u00f3 \u0111\u1ec3 t\u1eebng b\u01b0\u1edbc chinh ph\u1ee5c v\u1ecb tr\u00ed c\u00f4ng vi\u1ec7c mong mu\u1ed1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb \u1ee9ng tuy\u1ec3n cho v\u1ecb tr\u00ed DevOps, Cloud Engineer ho\u1eb7c Software Developer l\u00e0m vi\u1ec7c v\u1edbi Serverless, \u0111\u00e2y l\u00e0 t\u00e0i li\u1ec7u kh\u00f4ng th\u1ec3 b\u1ecf qua. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p 40 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda AWS, t\u1eeb nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p, gi\u00fap b\u1ea1n x\u00e2y [&hellip;]<\/p>\n","protected":false},"author":205,"featured_media":91516,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[105],"tags":[],"class_list":["post-91514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phong-van-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda AWS t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao - ITviec Blog<\/title>\n<meta name=\"description\" content=\"Luy\u1ec7n t\u1eadp 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n v\u1ec1 AWS Lambda, t\u1eeb nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p, chu\u1ea9n b\u1ecb cho bu\u1ed5i ph\u1ecfng v\u1ea5n.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-lambda\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Lambda AWS t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao\" \/>\n<meta property=\"og:description\" content=\"N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb \u1ee9ng tuy\u1ec3n cho v\u1ecb tr\u00ed DevOps, Cloud Engineer ho\u1eb7c Software Developer l\u00e0m vi\u1ec7c v\u1edbi Serverless, \u0111\u00e2y l\u00e0 t\u00e0i li\u1ec7u kh\u00f4ng th\u1ec3 b\u1ecf qua. 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