{"id":91524,"date":"2025-09-21T17:04:31","date_gmt":"2025-09-21T10:04:31","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=91524"},"modified":"2025-09-21T17:04:34","modified_gmt":"2025-09-21T10:04:34","slug":"sre-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/sre-la-gi\/","title":{"rendered":"SRE l\u00e0 g\u00ec: Nguy\u00ean t\u1eafc, c\u00f4ng c\u1ee5 v\u00e0 s\u1ed1 li\u1ec7u quan tr\u1ecdng c\u1ea7n bi\u1ebft"},"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\/sre-la-gi\/#SRE_la_gi\" >SRE l\u00e0 g\u00ec?<\/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\/sre-la-gi\/#Su_khac_nhau_giua_DevOps_va_SRE_la_gi\" >S\u1ef1 kh\u00e1c nhau gi\u1eefa DevOps v\u00e0 SRE l\u00e0 g\u00ec?<\/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\/sre-la-gi\/#Tai_sao_SRE_lai_quan_trong\" >T\u1ea1i sao SRE l\u1ea1i quan tr\u1ecdng?<\/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\/sre-la-gi\/#Cac_thuat_ngu_can_biet_trong_SRE_la_gi\" >C\u00e1c thu\u1eadt ng\u1eef c\u1ea7n bi\u1ebft trong SRE l\u00e0 g\u00ec?<\/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\/sre-la-gi\/#Cac_nguyen_tac_chinh_trong_SRE\" >C\u00e1c nguy\u00ean t\u1eafc ch\u00ednh trong SRE<\/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\/sre-la-gi\/#Top_10_cong_cu_SRE_pho_bien\" >Top 10+ c\u00f4ng c\u1ee5 SRE 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-7\" href=\"https:\/\/itviec.com\/blog\/sre-la-gi\/#Cac_cau_hoi_thuong_gap_ve_SRE_la_gi\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 SRE l\u00e0 g\u00ec<\/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\/sre-la-gi\/#Tong_ket_SRE_la_gi\" >T\u1ed5ng k\u1ebft SRE l\u00e0 g\u00ec<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><strong><em>SRE kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t vai tr\u00f2, m\u00e0 c\u00f2n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn k\u1ebft h\u1ee3p c\u00e1c nguy\u00ean t\u1eafc k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m v\u1edbi c\u00e1c t\u00e1c v\u1ee5 v\u1eadn h\u00e0nh, nh\u1eb1m x\u00e2y d\u1ef1ng nh\u1eefng h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng h\u00f3a cao, b\u1ec1n v\u1eefng v\u00e0 \u0111\u00e1ng tin c\u1eady. V\u1eady SRE l\u00e0 g\u00ec v\u00e0 c\u00e1c k\u1ef9 s\u01b0 SRE th\u01b0\u1eddng s\u1eed d\u1ee5ng nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0o \u0111\u1ec3 \u0111o l\u01b0\u1eddng v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng?<\/em><\/strong><\/p>\n\n\n\n<p>\u0110\u1ecdc b\u00e0i vi\u1ebft \u0111\u1ec3 hi\u1ec3u r\u00f5 v\u1ec1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SRE l\u00e0 g\u00ec;<\/li>\n\n\n\n<li>T\u1ea7m quan tr\u1ecdng c\u1ee7a SRE;<\/li>\n\n\n\n<li>Nguy\u00ean t\u1eafc ch\u00ednh trong SRE;<\/li>\n\n\n\n<li>Top c\u00f4ng c\u1ee5 \u0111\u00e1nh gi\u00e1 SRE ph\u1ed5 bi\u1ebfn;<\/li>\n\n\n\n<li>Nh\u1eefng s\u1ed1 li\u1ec7u quan tr\u1ecdng trong SRE;<\/li>\n\n\n\n<li>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 SRE.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sre-la-gi\"><span class=\"ez-toc-section\" id=\"SRE_la_gi\"><\/span><strong>SRE l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>SRE (Site Reliability Engineering) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m k\u1ebft h\u1ee3p gi\u1eefa DevOps hi\u1ec7n \u0111\u1ea1i v\u00e0 IT operation truy\u1ec1n th\u1ed1ng. V\u1ec1 b\u1ea3n ch\u1ea5t, SRE l\u00e0 phi\u00ean b\u1ea3n n\u00e2ng c\u1ea5p c\u1ee7a Ops truy\u1ec1n th\u1ed1ng. SRE \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a, \u0111o l\u01b0\u1eddng v\u00e0 qu\u1ea3n l\u00fd c\u00e1c t\u00e1c v\u1ee5 v\u1eadn h\u00e0nh. M\u1ee5c ti\u00eau c\u1ee7a h\u1ecd l\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c c\u00f4ng vi\u1ec7c th\u1ee7 c\u00f4ng v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n \u1ed5n \u0111\u1ecbnh, \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p>Thu\u1eadt ng\u1eef SRE \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u b\u1edfi Ben Treynor, Ph\u00f3 ch\u1ee7 t\u1ecbch ph\u1ee5 tr\u00e1ch v\u1eadn h\u00e0nh k\u1ef9 thu\u1eadt t\u1ea1i Google. \u00d4ng ch\u00ednh l\u00e0 ng\u01b0\u1eddi \u0111\u1ecbnh ngh\u0129a SRE qua c\u00e2u n\u00f3i n\u1ed5i ti\u1ebfng: <em>\u201cSRE l\u00e0 \u0111i\u1ec1u x\u1ea3y ra khi b\u1ea1n nh\u1edd m\u1ed9t k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m thi\u1ebft k\u1ebf m\u1ed9t \u0111\u1ed9i ng\u0169 v\u1eadn h\u00e0nh.\u201d<\/em><\/p>\n\n\n\n<p>V\u00e0o n\u0103m 2003, v\u1edbi n\u1ec1n t\u1ea3ng l\u00e0 k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m, Treynor \u0111\u00e3 th\u00e0nh l\u1eadp m\u1ed9t \u201cproduction team\u201d m\u00e0 sau n\u00e0y tr\u1edf th\u00e0nh m\u00f4 h\u00ecnh chu\u1ea9n cho SRE. M\u00f4 h\u00ecnh n\u00e0y d\u1ef1a tr\u00ean hai \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng c\u00e1c k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c c\u1ee7a \u0111\u1ed9i ng\u0169 v\u1eadn h\u00e0nh.<\/li>\n\n\n\n<li>Nh\u1eefng k\u1ef9 s\u01b0 n\u00e0y \u0111\u1ea3m nhi\u1ec7m vi\u1ec7c t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 tr\u01b0\u1edbc \u0111\u00e2y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c k\u1ef9 s\u01b0 SRE (Site Reliability Engineer) th\u01b0\u1eddng tu\u00e2n theo nguy\u00ean t\u1eafc <strong>\u201c50-50 rule\u201d<\/strong>, ph\u00e2n b\u1ed5 th\u1eddi gian m\u1ed9t c\u00e1ch c\u00e2n b\u1eb1ng gi\u1eefa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf c\u1ee7a kh\u00e1ch h\u00e0ng, nh\u01b0 x\u1eed l\u00fd escalations (leo thang s\u1ef1 c\u1ed1) v\u00e0 ph\u1ea3n h\u1ed3i s\u1ef1 c\u1ed1.<\/li>\n\n\n\n<li>T\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 v\u1eadn h\u00e0nh, bao g\u1ed3m qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng production, qu\u1ea3n l\u00fd thay \u0111\u1ed5i, ph\u1ea3n \u1ee9ng v\u1edbi s\u1ef1 c\u1ed1 v\u00e0 x\u1eed l\u00fd t\u00ecnh hu\u1ed1ng kh\u1ea9n c\u1ea5p.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-s\u1ef1-khac-nhau-gi\u1eefa-devops-va-sre-la-gi\"><span class=\"ez-toc-section\" id=\"Su_khac_nhau_giua_DevOps_va_SRE_la_gi\"><\/span><strong>S\u1ef1 kh\u00e1c nhau gi\u1eefa DevOps v\u00e0 SRE l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>DevOps l\u00e0 m\u1ed9t tri\u1ebft l\u00fd v\u0103n h\u00f3a, m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh nh\u1eb1m h\u1ee3p nh\u1ea5t \u0111\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n (Dev) v\u00e0 v\u1eadn h\u00e0nh (Ops). M\u1ee5c \u0111\u00edch l\u00e0 \u0111\u1ec3 c\u00e1c nh\u00f3m l\u00e0m vi\u1ec7c c\u00f9ng nhau, t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e2n ph\u1ed1i s\u1ea3n ph\u1ea9m v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<p>Ng\u01b0\u1ee3c l\u1ea1i, SRE l\u00e0 m\u1ed9t c\u00e1ch \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau c\u1ee7a DevOps. Google \u0111\u00e3 \u0111\u1ecbnh ngh\u0129a SRE nh\u01b0 m\u1ed9t \u201cb\u1ed9 khung tri\u1ec3n khai\u201d c\u1ee7a DevOps, n\u01a1i k\u1ef9 s\u01b0 SRE s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 quy tr\u00ecnh c\u1ee5 th\u1ec3 \u0111\u1ec3 hi\u1ec7n th\u1ef1c h\u00f3a tri\u1ebft l\u00fd DevOps.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ef1 kh\u00e1c nhau gi\u1eefa DevOps v\u00e0 SRE, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecdc th\u00eam b\u00e0i vi\u1ebft: <strong><a href=\"https:\/\/itviec.com\/blog\/sre-vs-devops\/\" target=\"_blank\" rel=\"noreferrer noopener\">SRE vs DevOps: C\u00e1ch ph\u00e2n bi\u1ec7t v\u00e0 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a><\/strong><\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ea1i-sao-sre-l\u1ea1i-quan-tr\u1ecdng\"><span class=\"ez-toc-section\" id=\"Tai_sao_SRE_lai_quan_trong\"><\/span><strong>T\u1ea1i sao SRE l\u1ea1i quan tr\u1ecdng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng (site reliability) kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt, m\u00e0 c\u00f2n<strong> <\/strong>ph\u1ea3n \u00e1nh ch\u1ea5t l\u01b0\u1ee3ng tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i v\u1edbi m\u1ed9t \u1ee9ng d\u1ee5ng. Vi\u1ec7c b\u1ea3o tr\u00ec, ch\u1ec9nh s\u1eeda ph\u1ea7n m\u1ec1m n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t k\u1ef9 c\u00f3 th\u1ec3 \u00e2m th\u1ea7m l\u00e0m ph\u00e1t sinh l\u1ed7i, th\u1eadm ch\u00ed khi\u1ebfn \u1ee9ng d\u1ee5ng b\u1ecb s\u1eadp trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p>SRE ra \u0111\u1eddi \u0111\u1ec3 ng\u0103n nh\u1eefng k\u1ecbch b\u1ea3n \u0111\u00f3 x\u1ea3y ra. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ee3i \u00edch ch\u00ednh m\u00e0 vi\u1ec7c \u00e1p d\u1ee5ng Site Reliability Engineering mang l\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u0103ng \u0111\u1ed9 tin c\u1eady v\u00e0 uptime: SRE t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00f2ng ng\u1eeba v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1, \u0111\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng v\u00e0 h\u1ec7 th\u1ed1ng lu\u00f4n s\u1eb5n s\u00e0ng, ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/li>\n\n\n\n<li>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng: B\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean v\u00e0 gi\u1ea3m thi\u1ec3u l\u00e3ng ph\u00ed, SRE gi\u00fap c\u00e1c t\u1ed5 ch\u1ee9c m\u1edf r\u1ed9ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n\n\n\n<li>C\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng: SRE c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 lu\u00f4n kh\u1ea3 d\u1ee5ng v\u00e0 ph\u1ea3n h\u1ed3i nhanh, \u0111i\u1ec1u n\u00e0y t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng, danh ti\u1ebfng th\u01b0\u01a1ng hi\u1ec7u v\u00e0 doanh thu.<\/li>\n\n\n\n<li>Th\u00fac \u0111\u1ea9y c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c: D\u1ef1a tr\u00ean d\u1eef li\u1ec7u v\u00e0 ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng, SRE ch\u1ec9 ra \u0111i\u1ec3m c\u1ea7n t\u1ed1i \u01b0u, t\u1eeb \u0111\u00f3 th\u00fac \u0111\u1ea9y \u0111\u1ed5i m\u1edbi v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t li\u00ean t\u1ee5c.<\/li>\n\n\n\n<li>T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt: SRE c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ea3m b\u1ea3o c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 \u1ee9ng d\u1ee5ng an to\u00e0n v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh c\u1ee7a ng\u00e0nh.<\/li>\n\n\n\n<li>Hi\u1ec7u su\u1ea5t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n: B\u1eb1ng c\u00e1ch theo d\u00f5i v\u00e0 ph\u00e2n t\u00edch c\u00e1c m\u00f4 h\u00ecnh s\u1eed d\u1ee5ng, SRE gi\u00fap d\u1ef1 \u0111o\u00e1n v\u00e0 ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y ra, \u0111\u1ea3m b\u1ea3o c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng theo c\u00e1ch c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n v\u00e0 nh\u1ea5t qu\u00e1n.<\/li>\n\n\n\n<li>Ti\u1ebft ki\u1ec7m chi ph\u00ed: SRE c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed b\u1eb1ng c\u00e1ch t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 th\u01b0\u1eddng xuy\u00ean v\u00e0 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean, gi\u1ea3m nhu c\u1ea7u can thi\u1ec7p th\u1ee7 c\u00f4ng v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 ti\u1ec1n b\u1ea1c.<\/li>\n\n\n\n<li>G\u1eafn k\u1ebft Dev v\u00e0 Ops: SRE th\u00fac \u0111\u1ea9y s\u1ef1 h\u1ee3p t\u00e1c \u0111a ch\u1ee9c n\u0103ng, t\u1ea1o v\u0103n h\u00f3a c\u00f9ng chia s\u1ebb tr\u00e1ch nhi\u1ec7m v\u1ec1 \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-thu\u1eadt-ng\u1eef-c\u1ea7n-bi\u1ebft-trong-sre-la-gi\"><span class=\"ez-toc-section\" id=\"Cac_thuat_ngu_can_biet_trong_SRE_la_gi\"><\/span><strong>C\u00e1c thu\u1eadt ng\u1eef c\u1ea7n bi\u1ebft trong SRE l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-sli-service-level-indicator-ch\u1ec9-s\u1ed1-m\u1ee9c-d\u1ecbch-v\u1ee5\"><strong>SLI (Service Level Indicator &#8211; Ch\u1ec9 s\u1ed1 m\u1ee9c d\u1ecbch v\u1ee5)<\/strong><\/h3>\n\n\n\n<p>SLI l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111o l\u01b0\u1eddng \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t d\u1ecbch v\u1ee5. C\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u c\u00e1ch th\u1ee9c d\u1ecbch v\u1ee5 ho\u1ea1t \u0111\u1ed9ng t\u1eeb g\u00f3c nh\u00ecn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.&nbsp;<\/p>\n\n\n\n<p>C\u00e1c SLI ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Latency (\u0111\u1ed9 tr\u1ec5): \u0110o th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u1ea3n h\u1ed3i y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/li>\n\n\n\n<li>Availability (t\u00ednh kh\u1ea3 d\u1ee5ng): Theo d\u00f5i ph\u1ea7n tr\u0103m th\u1eddi gian d\u1ecbch v\u1ee5 ho\u1ea1t \u0111\u1ed9ng (v\u00ed d\u1ee5: D\u1ecbch v\u1ee5 ho\u1ea1t \u0111\u1ed9ng 99,95% th\u1eddi gian trong th\u00e1ng tr\u01b0\u1edbc).<\/li>\n\n\n\n<li>Error rate (t\u1ef7 l\u1ec7 l\u1ed7i): T\u00ednh to\u00e1n ph\u1ea7n tr\u0103m y\u00eau c\u1ea7u kh\u00f4ng th\u00e0nh c\u00f4ng trong t\u1ed5ng s\u1ed1 y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh SLI c\u00f3 \u00fd ngh\u0129a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00e3y t\u1eadp trung v\u00e0o c\u00e1c s\u1ed1 li\u1ec7u \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.\u00a0<\/li>\n\n\n\n<li>B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch h\u00e0nh tr\u00ecnh ng\u01b0\u1eddi d\u00f9ng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ch\u00ednh c\u00f3 th\u1ec3 x\u1ea3y ra s\u1ef1 c\u1ed1 v\u1ec1 hi\u1ec7u su\u1ea5t (v\u00ed d\u1ee5: th\u1eddi gian ph\u1ea3n h\u1ed3i API, th\u1eddi gian t\u1ea3i trang \u0111\u0103ng nh\u1eadp).<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o SLI c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau kinh doanh.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-slo-service-level-objective-m\u1ee5c-tieu-m\u1ee9c-d\u1ed9-d\u1ecbch-v\u1ee5\"><strong>SLO (Service Level Objective &#8211; M\u1ee5c ti\u00eau m\u1ee9c \u0111\u1ed9 d\u1ecbch v\u1ee5)<\/strong><\/h3>\n\n\n\n<p>SLO x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t m\u1ee5c ti\u00eau ho\u1eb7c m\u1ee9c \u0111\u1ed9 tin c\u1eady cho m\u1ed9t SLI c\u1ee5 th\u1ec3 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00ednh kh\u1ea3 d\u1ee5ng;<\/li>\n\n\n\n<li>T\u1ef7 l\u1ec7 l\u1ed7i;<\/li>\n\n\n\n<li>\u0110\u1ed9 tr\u1ec5 y\u00eau c\u1ea7u;<\/li>\n\n\n\n<li>Th\u00f4ng l\u01b0\u1ee3ng (Throughput);<\/li>\n\n\n\n<li>C\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c.<\/li>\n<\/ul>\n\n\n\n<p>C\u1ea5u tr\u00fac c\u1ee7a SLO l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SLI \u2264 m\u1ee5c ti\u00eau<\/li>\n\n\n\n<li>Gi\u1edbi h\u1ea1n d\u01b0\u1edbi \u2264 SLI \u2264 gi\u1edbi h\u1ea1n tr\u00ean.<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5: \u0110\u1ed1i v\u1edbi API thanh to\u00e1n c\u1ee7a n\u1ec1n t\u1ea3ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SLI: Th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a API.<\/li>\n\n\n\n<li>SLO: 99,95% y\u00eau c\u1ea7u ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i trong v\u00f2ng 500 mili gi\u00e2y trong gi\u1edd l\u00e0m vi\u1ec7c.<\/li>\n<\/ul>\n\n\n\n<p>T\u1ea7m quan tr\u1ecdng c\u1ee7a SLO th\u1ef1c t\u1ebf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vi\u1ec7c thi\u1ebft l\u1eadp SLO c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00fap \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi k\u1ef3 v\u1ecdng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 tr\u00e1nh g\u00e2y c\u0103ng th\u1eb3ng kh\u00f4ng c\u1ea7n thi\u1ebft cho nh\u00f3m k\u1ef9 thu\u1eadt.<\/li>\n\n\n\n<li>SLO kh\u00f4ng th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi ph\u1ea1m th\u01b0\u1eddng xuy\u00ean v\u00e0 l\u00e0m gi\u1ea3m l\u00f2ng tin.<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t m\u1eb9o nh\u1ecf l\u00e0 h\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi SLO n\u1ed9i b\u1ed9 d\u1ef1a tr\u00ean d\u1eef li\u1ec7u l\u1ecbch s\u1eed v\u00e0 kh\u1ea3 n\u0103ng h\u1ec7 th\u1ed1ng, sau \u0111\u00f3 m\u1edbi c\u00f4ng b\u1ed1 c\u00e1c cam k\u1ebft ch\u00ednh th\u1ee9c v\u1edbi kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-sla-service-level-agreement-th\u1ecfa-thu\u1eadn-m\u1ee9c-d\u1ecbch-v\u1ee5\"><strong>SLA (Service Level Agreement &#8211; Th\u1ecfa thu\u1eadn m\u1ee9c d\u1ecbch v\u1ee5)<\/strong><\/h3>\n\n\n\n<p>SLA l\u00e0 m\u1ed9t h\u1ee3p \u0111\u1ed3ng ch\u00ednh th\u1ee9c gi\u1eefa nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 v\u00e0 kh\u00e1ch h\u00e0ng, n\u00eau r\u00f5 m\u1ee9c \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t mong \u0111\u1ee3i. Kh\u00f4ng gi\u1ed1ng nh\u01b0 SLO, SLA bao g\u1ed3m c\u00e1c h\u1eadu qu\u1ea3 ph\u00e1p l\u00fd v\u00e0 t\u00e0i ch\u00ednh n\u1ebfu kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau \u0111\u00e3 th\u1ecfa thu\u1eadn.<\/p>\n\n\n\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SLO l\u00e0 m\u1ee5c ti\u00eau n\u1ed9i b\u1ed9, trong khi SLA l\u00e0 cam k\u1ebft b\u00ean ngo\u00e0i.<\/li>\n\n\n\n<li>SLA th\u01b0\u1eddng c\u00f3 t\u00e1c \u0111\u1ed9ng v\u1ec1 m\u1eb7t t\u00e0i ch\u00ednh (v\u00ed d\u1ee5: ho\u00e0n ti\u1ec1n ho\u1eb7c ph\u1ea1t), trong khi SLO ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn c\u1ea3i ti\u1ebfn n\u1ed9i b\u1ed9.<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5: Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y c\u00f3 th\u1ec3 cung c\u1ea5p SLA \u0111\u1ea3m b\u1ea3o th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,9% m\u1ed7i th\u00e1ng. N\u1ebfu th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng cho ph\u00e9p, nh\u00e0 cung c\u1ea5p s\u1ebd ho\u00e0n l\u1ea1i 1% ph\u00ed h\u00e0ng th\u00e1ng cho kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n<p>M\u1eb9o th\u1ef1c t\u1ebf: Khi so\u1ea1n th\u1ea3o SLA, h\u00e3y \u0111\u1ea3m b\u1ea3o ch\u00fang c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c, r\u00f5 r\u00e0ng v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi SLO n\u1ed9i b\u1ed9 \u0111\u1ec3 tr\u00e1nh cam k\u1ebft qu\u00e1 m\u1ee9c. Th\u01b0\u1eddng xuy\u00ean xem x\u00e9t SLA \u0111\u1ec3 t\u00ednh to\u00e1n nh\u1eefng thay \u0111\u1ed5i v\u1ec1 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ho\u1eb7c nhu c\u1ea7u kinh doanh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-error-budget\"><strong>Error budget<\/strong><\/h3>\n\n\n\n<p>Error budget thi\u1ebft l\u1eadp m\u1ed9t m\u1ee9c \u0111\u1ed9 r\u1ee7i ro l\u1ed7i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u1ecfa thu\u1eadn m\u1ee9c d\u1ecbch v\u1ee5, \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 SRE s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1ecbch v\u1ee5 v\u1edbi t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u1ed5i m\u1edbi ph\u1ea7n m\u1ec1m c\u1ee7a c\u00f4ng ty.&nbsp;<\/p>\n\n\n\n<p>V\u00ed d\u1ee5: Th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng 99,99% (hay c\u00f2n g\u1ecdi l\u00e0 \u201cfour-nines availability\u201d), l\u00e0 m\u1ed9t ng\u01b0\u1ee1ng SLA ph\u1ed5 bi\u1ebfn. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a error budget h\u00e0ng th\u00e1ng ch\u1ec9 cho ph\u00e9p downtime (t\u1ed5ng th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c ph\u00e9p m\u00e0 kh\u00f4ng c\u00f3 h\u1eadu qu\u1ea3) t\u1ed1i \u0111a kho\u1ea3ng <a href=\"https:\/\/sre.google\/sre-book\/availability-table\/\"><strong>4,32 ph\u00fat\/ 1 th\u00e1ng<\/strong><\/a>. N\u1ebfu h\u1ec7 th\u1ed1ng v\u01b0\u1ee3t qu\u00e1 con s\u1ed1 n\u00e0y, vi\u1ec7c tri\u1ec3n khai t\u00ednh n\u0103ng m\u1edbi c\u00f3 th\u1ec3 b\u1ecb t\u1ea1m d\u1eebng \u0111\u1ec3 t\u1eadp trung \u1ed5n \u0111\u1ecbnh l\u1ea1i d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<p>Error budget gi\u00fap c\u00e1c nh\u00f3m ph\u00e1t tri\u1ec3n v\u00e0 v\u1eadn h\u00e0nh c\u1ea3i thi\u1ec7n t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a d\u1ecbch v\u1ee5. Ch\u00fang c\u0169ng gi\u00fap \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u v\u1ec1 vi\u1ec7c tri\u1ec3n khai c\u00e1c t\u00ednh n\u0103ng ho\u1eb7c \u1ee9ng d\u1ee5ng m\u1edbi, v\u00e0 t\u1ed1i \u0111a h\u00f3a s\u1ef1 \u0111\u1ed5i m\u1edbi b\u1eb1ng c\u00e1ch ch\u1ea5p nh\u1eadn r\u1ee7i ro trong gi\u1edbi h\u1ea1n cho ph\u00e9p.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-nh\u1eefng-thu\u1eadt-ng\u1eef-khac-c\u1ea7n-bi\u1ebft-trong-sre\"><strong>Nh\u1eefng thu\u1eadt ng\u1eef kh\u00e1c c\u1ea7n bi\u1ebft trong SRE<\/strong><\/h3>\n\n\n\n<p>Ngo\u00e0i c\u00e1c ch\u1ec9 s\u1ed1 nh\u01b0 SLI, SLO, SLA, Error Budget, m\u1ed9t s\u1ed1 thu\u1eadt ng\u1eef quan tr\u1ecdng kh\u00e1c th\u01b0\u1eddng d\u00f9ng trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai SRE l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Toil:<\/strong> Toil l\u00e0 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng v\u1eadn h\u00e0nh g\u1eafn li\u1ec1n v\u1edbi vi\u1ec7c duy tr\u00ec m\u1ed9t d\u1ecbch v\u1ee5 production, th\u01b0\u1eddng mang t\u00ednh th\u1ee7 c\u00f4ng, l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a, mang t\u00ednh t\u00ecnh hu\u1ed1ng, kh\u00f4ng t\u1ea1o ra gi\u00e1 tr\u1ecb l\u00e2u d\u00e0i v\u00e0 t\u0103ng tuy\u1ebfn t\u00ednh theo quy m\u00f4 d\u1ecbch v\u1ee5. V\u00ed d\u1ee5: kh\u1edfi \u0111\u1ed9ng l\u1ea1i server. Toil l\u00e0 th\u1ee9 m\u00e0 \u0111\u1ed9i SRE c\u1ea7n t\u1ef1 \u0111\u1ed9ng h\u00f3a ho\u1eb7c lo\u1ea1i b\u1ecf.\u00a0<\/li>\n\n\n\n<li><strong>MTTR (Mean Time to Repair\/Recover):<\/strong> Th\u1eddi gian trung b\u00ecnh \u0111\u1ec3 kh\u00f4i ph\u1ee5c d\u1ecbch v\u1ee5 sau khi x\u1ea3y ra s\u1ef1 c\u1ed1. MTTR l\u00e0 ch\u1ec9 s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a quy tr\u00ecnh ph\u1ea3n \u1ee9ng s\u1ef1 c\u1ed1.<\/li>\n\n\n\n<li><strong>Postmortem (Ph\u00e2n t\u00edch sau s\u1ef1 c\u1ed1):<\/strong> Quy tr\u00ecnh ph\u00e2n t\u00edch kh\u00f4ng \u0111\u1ed5 l\u1ed7i sau khi s\u1ef1 c\u1ed1 x\u1ea3y ra. M\u1ee5c ti\u00eau l\u00e0 t\u00ecm ra nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 v\u00e0 h\u1ecdc h\u1ecfi t\u1eeb s\u1ef1 c\u1ed1 \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c t\u00e1i di\u1ec5n trong t\u01b0\u01a1ng lai.<\/li>\n\n\n\n<li><strong>On-call: <\/strong>Tr\u1ea1ng th\u00e1i m\u1ed9t SRE Engineer s\u1eb5n s\u00e0ng ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 c\u1ed1 kh\u1ea9n c\u1ea5p c\u1ee7a h\u1ec7 th\u1ed1ng ngo\u00e0i gi\u1edd l\u00e0m vi\u1ec7c th\u00f4ng th\u01b0\u1eddng.<\/li>\n\n\n\n<li><strong>Observability (Kh\u1ea3 n\u0103ng quan s\u00e1t): <\/strong>Kh\u1ea3 n\u0103ng hi\u1ec3u \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i b\u00ean trong c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p th\u00f4ng qua c\u00e1c d\u1eef li\u1ec7u b\u00ean ngo\u00e0i m\u00e0 n\u00f3 t\u1ea1o ra (log, metrics, traces). \u0110\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng gi\u00e1m s\u00e1t v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1 hi\u1ec7u qu\u1ea3.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-nguyen-t\u1eafc-chinh-trong-sre\"><span class=\"ez-toc-section\" id=\"Cac_nguyen_tac_chinh_trong_SRE\"><\/span><strong>C\u00e1c nguy\u00ean t\u1eafc ch\u00ednh trong SRE<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ch\u1ea5p-nh\u1eadn-r\u1ee7i-ro-embracing-risk\"><strong>Ch\u1ea5p nh\u1eadn r\u1ee7i ro (Embracing Risk)<\/strong><\/h3>\n\n\n\n<p>\u0110\u00e2y l\u00e0 nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i c\u1ee7a SRE: Ch\u1ea5p nh\u1eadn r\u1eb1ng <strong>kh\u00f4ng c\u00f3 d\u1ecbch v\u1ee5 n\u00e0o \u0111\u1ea1t \u0111\u1ed9 tin c\u1eady tuy\u1ec7t \u0111\u1ed1i 100%<\/strong>. Thay v\u00e0o \u0111\u00f3, SRE h\u01b0\u1edbng \u0111\u1ebfn vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1ecbch v\u1ee5 d\u1ef1a tr\u00ean r\u1ee7i ro m\u00e0 doanh nghi\u1ec7p s\u1eb5n s\u00e0ng ch\u1ea5p nh\u1eadn sau khi ph\u00e2n t\u00edch chi ph\u00ed-l\u1ee3i \u00edch.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5, v\u1edbi m\u1ee5c ti\u00eau kh\u1ea3 d\u1ee5ng 99,99% \u0111\u1eb7t ra, k\u1ef9 s\u01b0 SRE t\u00ecm c\u00e1ch c\u00e2n b\u1eb1ng r\u1ee7i ro kh\u00f4ng kh\u1ea3 d\u1ee5ng v\u1edbi m\u1ee5c ti\u00eau \u0111\u1ed5i m\u1edbi nhanh ch\u00f3ng v\u00e0 v\u1eadn h\u00e0nh d\u1ecbch v\u1ee5 hi\u1ec7u qu\u1ea3, \u0111\u1ec3 t\u1ed1i \u01b0u s\u1ef1 h\u00e0i l\u00f2ng chung c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-d\u1ef1a-tren-sli-slo-va-sla-cac-ch\u1ec9-s\u1ed1-cho-d\u1ed9-tin-c\u1eady\"><strong>D\u1ef1a tr\u00ean SLI, SLO v\u00e0 SLA &#8211; C\u00e1c ch\u1ec9 s\u1ed1 cho \u0111\u1ed9 tin c\u1eady<\/strong><\/h3>\n\n\n\n<p>Trung t\u00e2m c\u1ee7a m\u1ecdi ho\u1ea1t \u0111\u1ed9ng SRE xoay quanh ba ch\u1ec9 s\u1ed1 then ch\u1ed1t: Service Level Indicators (SLI), Service Level Objectives (SLO) v\u00e0 Service Level Agreements (SLA). Nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0y cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u00f3 c\u1ea5u tr\u00fac, d\u1ef1a tr\u00ean d\u1eef li\u1ec7u \u0111\u1ec3 \u0111o l\u01b0\u1eddng v\u00e0 qu\u1ea3n l\u00fd \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lo\u1ea1i-b\u1ecf-cong-vi\u1ec7c-th\u1ee7-cong-l\u1eb7p-l\u1ea1i-b\u1eb1ng-t\u1ef1-d\u1ed9ng-hoa-eliminating-toil-through-automation\"><strong>Lo\u1ea1i b\u1ecf c\u00f4ng vi\u1ec7c th\u1ee7 c\u00f4ng l\u1eb7p l\u1ea1i b\u1eb1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a (Eliminating toil through automation)<\/strong><\/h3>\n\n\n\n<p>Vi\u1ec7c gi\u1ea3m b\u1edbt toil v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4 d\u1ecbch v\u1ee5 ch\u00ednh l\u00e0 ph\u1ea7n \u201cengineering\u201d trong SRE. Kh\u00f4ng ph\u1ea3i m\u1ecdi toil \u0111\u1ec1u x\u1ea5u, nh\u01b0ng n\u1ebfu kh\u1ed1i l\u01b0\u1ee3ng qu\u00e1 nhi\u1ec1u s\u1ebd g\u00e2y nguy hi\u1ec3m. V\u00ec v\u1eady, SRE lu\u00f4n t\u00ecm c\u00e1ch thi\u1ebft k\u1ebf gi\u1ea3i ph\u00e1p t\u1ef1 \u0111\u1ed9ng th\u00f4ng qua ph\u1ea7n m\u1ec1m v\u00e0 k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u00fang.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 ngu\u1ed3n g\u1ed1c ph\u1ed5 bi\u1ebfn c\u1ee7a toil g\u1ed3m c\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c th\u00f4ng b\u00e1o, email li\u00ean quan \u0111\u1ebfn d\u1ecbch v\u1ee5 nh\u01b0ng kh\u00f4ng kh\u1ea9n c\u1ea5p.<\/li>\n\n\n\n<li>On-call response &#8211; ph\u1ea3n h\u1ed3i kh\u1ea9n c\u1ea5p khi tr\u1ef1c h\u1ec7 th\u1ed1ng.<\/li>\n\n\n\n<li>C\u00e1c l\u1ea7n tri\u1ec3n khai phi\u00ean b\u1ea3n m\u1edbi (release).<\/li>\n\n\n\n<li>Push code ho\u1eb7c thay \u0111\u1ed5i v\u00e0o production.<\/li>\n<\/ul>\n\n\n\n<p>L\u01b0u \u00fd: SRE vi\u1ebft m\u00e3 \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng h\u1ec7 th\u1ed1ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1eef li\u1ec7u c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-giam-sat-cac-h\u1ec7-th\u1ed1ng-phan-tan\"><strong>Gi\u00e1m s\u00e1t c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n<\/strong><\/h3>\n\n\n\n<p>Gi\u00e1m s\u00e1t trong SRE theo d\u00f5i c\u00e1c SLI t\u1eadp trung v\u00e0o ng\u01b0\u1eddi d\u00f9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00ednh kh\u1ea3 d\u1ee5ng, \u0111\u1ed9 tr\u1ec5 ho\u1eb7c t\u1ef7 l\u1ec7 l\u1ed7i. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c c\u1ea3nh b\u00e1o c\u00f3 \u00fd ngh\u0129a v\u00e0 g\u1eafn li\u1ec1n v\u1edbi tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 tr\u1ea1ng th\u00e1i h\u1ec7 th\u1ed1ng n\u1ed9i b\u1ed9.&nbsp;<\/p>\n\n\n\n<p>Ba nguy\u00ean t\u1eafc ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00ednh \u0111\u01a1n gi\u1ea3n: C\u1ea3nh b\u00e1o ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi c\u1ea7n h\u00e0nh \u0111\u1ed9ng kh\u1ea9n c\u1ea5p, tr\u00e1nh t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i c\u1ea3nh b\u00e1o. Thi\u1ebft k\u1ebf c\u1ea3nh b\u00e1o c\u1ea7n \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng, ph\u00e2n bi\u1ec7t gi\u1eefa c\u1ea3nh b\u00e1o v\u00e0 l\u1ed7i nghi\u00eam tr\u1ecdng.<\/li>\n\n\n\n<li>T\u1eadp trung v\u00e0o tri\u1ec7u ch\u1ee9ng: Gi\u00e1m s\u00e1t c\u00e1c k\u1ebft qu\u1ea3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng, v\u00ed d\u1ee5: th\u1eddi gian t\u1ea3i trang ch\u1eadm, thay v\u00ec ch\u1ec9 t\u1eadp trung v\u00e0o c\u00e1c s\u1ed1 li\u1ec7u h\u1ec7 th\u1ed1ng c\u01a1 b\u1ea3n nh\u01b0 m\u1ee9c s\u1eed d\u1ee5ng CPU.\u00a0<\/li>\n\n\n\n<li>Ph\u00e1t hi\u1ec7n ch\u1ee7 \u0111\u1ed9ng: \u00c1p d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt gi\u00e1m s\u00e1t d\u1ef1 \u0111o\u00e1n v\u00e0 ph\u00e1t hi\u1ec7n b\u1ea5t th\u01b0\u1eddng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi ng\u01b0\u1eddi d\u00f9ng b\u1ecb \u1ea3nh h\u01b0\u1edfng, cho ph\u00e9p h\u00e0nh \u0111\u1ed9ng ph\u00f2ng ng\u1eeba.<\/li>\n<\/ul>\n\n\n\n<p>V\u0103n h\u00f3a SRE c\u00f2n nh\u1ea5n m\u1ea1nh kh\u1ea3 n\u0103ng quan s\u00e1t &#8211; n\u1eafm b\u1eaft t\u00ecnh tr\u1ea1ng b\u00ean trong c\u1ee7a h\u1ec7 th\u1ed1ng th\u00f4ng qua c\u00e1c s\u1ed1 li\u1ec7u, nh\u1eadt k\u00fd v\u00e0 d\u1ea5u v\u1ebft. Do \u0111\u00f3, k\u1ef9 s\u01b0 SRE c\u00f3 kh\u1ea3 n\u0103ng ch\u1ea9n \u0111o\u00e1n v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p, x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 v\u00e0 ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tri\u1ec3n-khai-m\u1ed9t-cach-th\u1eadn-tr\u1ecdng\"><strong>Tri\u1ec3n khai m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng<\/strong><\/h3>\n\n\n\n<p>Vi\u1ec7c \u0111\u01b0a thay \u0111\u1ed5i v\u00e0o m\u00f4i tr\u01b0\u1eddng production l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y ra downtime, do \u0111\u00f3 SRE ti\u1ebfp c\u1eadn qu\u1ea3n l\u00fd thay \u0111\u1ed5i v\u1edbi s\u1ef1 k\u1ef9 l\u01b0\u1ee1ng cao \u0111\u1ed9. M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Canary deployment<\/strong>: tri\u1ec3n khai thay \u0111\u1ed5i cho m\u1ed9t nh\u00f3m nh\u1ecf ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 s\u1edbm. N\u1ebfu c\u00f3 v\u1ea5n \u0111\u1ec1, h\u1ec7 th\u1ed1ng s\u1ebd rollback ngay tr\u01b0\u1edbc khi to\u00e0n b\u1ed9 d\u1ecbch v\u1ee5 b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/li>\n\n\n\n<li><strong>Blue\/Green deployment<\/strong>: duy tr\u00ec hai m\u00f4i tr\u01b0\u1eddng song song \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i nhanh ch\u00f3ng khi c\u1ea7n.<\/li>\n\n\n\n<li><strong>Feature flags<\/strong>: cho ph\u00e9p b\u1eadt\/t\u1eaft t\u00ednh n\u0103ng m\u1ed9t c\u00e1ch c\u00f3 ki\u1ec3m so\u00e1t, gi\u1ea3m r\u1ee7i ro khi ph\u00e1t h\u00e0nh.<\/li>\n<\/ul>\n\n\n\n<p>Qu\u1ea3n l\u00fd thay \u0111\u1ed5i c\u0169ng g\u1eafn ch\u1eb7t v\u1edbi <strong>error budget<\/strong>: Khi m\u1ed9t d\u1ecbch v\u1ee5 \u0111\u00e3 g\u1ea7n ch\u1ea1m ng\u01b0\u1ee1ng ng\u00e2n s\u00e1ch l\u1ed7i, nh\u1eefng thay \u0111\u1ed5i ti\u1ec1m \u1ea9n r\u1ee7i ro s\u1ebd \u0111\u01b0\u1ee3c ho\u00e3n l\u1ea1i \u0111\u1ec3 gi\u1eef \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p>T\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m, gi\u00fap vi\u1ec7c tri\u1ec3n khai di\u1ec5n ra an to\u00e0n v\u00e0 d\u1ea7n d\u1ea7n, g\u1ea7n nh\u01b0 kh\u00f4ng c\u1ea7n gi\u00e1m s\u00e1t th\u1ee7 c\u00f4ng. V\u00ed d\u1ee5, deployment pipeline c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng ki\u1ec3m th\u1eed v\u00e0 chu\u1ea9n b\u1ecb b\u1ea3n c\u1eadp nh\u1eadt, gi\u1ea3m thi\u1ec3u sai s\u00f3t con ng\u01b0\u1eddi.<\/p>\n\n\n\n<p>C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng vi\u1ec7c \u0111\u1ed5i m\u1edbi kh\u00f4ng \u0111\u00e1nh \u0111\u1ed5i b\u1eb1ng \u0111\u1ed9 tin c\u1eady, cho ph\u00e9p \u0111\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c th\u1eed nghi\u1ec7m, c\u1ea3i ti\u1ebfn nhanh ch\u00f3ng m\u00e0 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Qu\u1ea3n l\u00fd thay \u0111\u1ed5i c\u1ea9n tr\u1ecdng ch\u00ednh l\u00e0 m\u1ed9t trong nh\u1eefng tr\u1ee5 c\u1ed9t quan tr\u1ecdng c\u1ee7a Site Reliability Engineering.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-d\u01a1n-gi\u1ea3n-hoa-h\u1ec7-th\u1ed1ng\"><strong>\u0110\u01a1n gi\u1ea3n h\u00f3a h\u1ec7 th\u1ed1ng<\/strong><\/h3>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng nhi\u1ec7m v\u1ee5 quan tr\u1ecdng c\u1ee7a SRE l\u00e0 lo\u1ea1i b\u1ecf s\u1ef1 ph\u1ee9c t\u1ea1p th\u1eeba th\u00e3i. M\u1ecdi quy tr\u00ecnh, c\u00f4ng c\u1ee5 hay c\u1ea5u tr\u00fac n\u00ean ph\u1ee5c v\u1ee5 m\u1ee5c ti\u00eau: \u0111\u00e1ng tin c\u1eady h\u01a1n nh\u01b0ng kh\u00f4ng c\u1ea3n tr\u1edf s\u1ef1 linh ho\u1ea1t c\u1ee7a developer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-postmortem-khong-d\u1ed5-l\u1ed7i-va-c\u1ea3i-ti\u1ebfn-lien-t\u1ee5c\"><strong>Postmortem kh\u00f4ng \u0111\u1ed5 l\u1ed7i v\u00e0 c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c<\/strong><\/h3>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i trong tri\u1ebft l\u00fd SRE.&nbsp;<\/p>\n\n\n\n<p>SRE ch\u1ea5p nh\u1eadn vi\u1ec7c \u201ckh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng n\u00e0o ho\u00e0n to\u00e0n tr\u00e1nh \u0111\u01b0\u1ee3c l\u1ed7i\u201d. Thay v\u00ec coi \u0111\u00f3 l\u00e0 th\u1ea5t b\u1ea1i, SRE bi\u1ebfn m\u1ed7i s\u1ef1 c\u1ed1 th\u00e0nh c\u01a1 h\u1ed9i \u0111\u1ec3 c\u1ea3i ti\u1ebfn. Sau nh\u1eefng l\u1ea7n ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng, nh\u00f3m s\u1ebd ti\u1ebfn h\u00e0nh postmortem kh\u00f4ng \u0111\u1ed5 l\u1ed7i (<em>blameless postmortem<\/em>). M\u1ee5c ti\u00eau l\u00e0 ph\u00e2n t\u00edch k\u1ef9 l\u01b0\u1ee1ng \u0111i\u1ec1u g\u00ec \u0111\u00e3 x\u1ea3y ra, x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 v\u00e0 \u0111\u1ec1 xu\u1ea5t bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c m\u00e0 kh\u00f4ng quy tr\u00e1ch nhi\u1ec7m c\u00e1 nh\u00e2n.<\/p>\n\n\n\n<p>C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y nu\u00f4i d\u01b0\u1ee1ng v\u0103n ho\u00e1 an to\u00e0n t\u00e2m l\u00fd (psychological safety), n\u01a1i k\u1ef9 s\u01b0 c\u1ea3m th\u1ea5y tho\u1ea3i m\u00e1i b\u00e1o c\u00e1o s\u1ef1 c\u1ed1 ho\u1eb7c th\u1eed nghi\u1ec7m c\u00e1i m\u1edbi m\u00e0 kh\u00f4ng lo ng\u1ea1i b\u1ecb ph\u1ea1t.<\/p>\n\n\n\n<p>M\u1ed9t postmortem ti\u00eau chu\u1ea9n th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea3n t\u01b0\u1eddng thu\u1eadt s\u1ef1 c\u1ed1 theo tr\u00ecnh t\u1ef1 th\u1eddi gian, n\u00eau r\u00f5 t\u00e1c \u0111\u1ed9ng v\u00e0 th\u1eddi gian di\u1ec5n ra.<br>\u0110i\u1ec1u tra nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5, th\u01b0\u1eddng \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt \u201cFive Whys\u201d \u0111\u1ec3 \u0111\u00e0o s\u00e2u v\u00e0o y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i thay v\u00ec ch\u1ec9 d\u1eebng \u1edf b\u1ec1 n\u1ed5i.<\/li>\n\n\n\n<li>C\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ea3i thi\u1ec7n c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00eam automation, thay \u0111\u1ed5i thi\u1ebft k\u1ebf ho\u1eb7c tinh ch\u1ec9nh quy tr\u00ecnh, k\u00e8m theo ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u00e0 m\u1ed1c th\u1eddi gian.<\/li>\n<\/ul>\n\n\n\n<p>Vi\u1ec7c ghi ch\u00e9p v\u00e0 chia s\u1ebb c\u00e1c b\u00e0i h\u1ecdc thu \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i s\u1ef1 c\u1ed1 \u0111\u1ec1u \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng vi\u1ec7c c\u1ea3i ti\u1ebfn mang t\u00ednh h\u1ec7 th\u1ed1ng. Quy tr\u00ecnh l\u1eb7p l\u1ea1i n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng ng\u00e0y c\u00e0ng b\u1ec1n v\u1eefng v\u00e0 th\u00fac \u0111\u1ea9y t\u01b0 duy h\u1ecdc h\u1ecfi l\u00e2u d\u00e0i.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-m\u1edf-r\u1ed9ng-quy-mo-m\u1ed9t-cach-thong-minh\"><strong>M\u1edf r\u1ed9ng quy m\u00f4 m\u1ed9t c\u00e1ch th\u00f4ng minh<\/strong>\u00a0<\/h3>\n\n\n\n<p>Khi h\u1ec7 th\u1ed1ng t\u0103ng tr\u01b0\u1edfng, vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 t\u00e0i nguy\u00ean m\u00e0 kh\u00f4ng l\u00e3ng ph\u00ed tr\u1edf th\u00e0nh m\u1ed9t th\u00e1ch th\u1ee9c quan tr\u1ecdng. M\u1ed9t tri\u1ec3n khai SRE t\u1ed1t ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng l\u1eadp k\u1ebf ho\u1ea1ch n\u0103ng l\u1ef1c, d\u1ef1 \u0111o\u00e1n nhu c\u1ea7u v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t. C\u00e1c ho\u1ea1t \u0111\u1ed9ng ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u1ef1 b\u00e1o nhu c\u1ea7u (Demand Forecasting):<\/strong> S\u1eed d\u1ee5ng d\u1eef li\u1ec7u l\u1ecbch s\u1eed, ph\u00e2n t\u00edch xu h\u01b0\u1edbng v\u00e0 \u01b0\u1edbc t\u00ednh t\u0103ng tr\u01b0\u1edfng kinh doanh \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n ch\u00ednh x\u00e1c nhu c\u1ea7u t\u00e0i nguy\u00ean trong t\u01b0\u01a1ng lai.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m th\u1eed t\u1ea3i (Load Testing):<\/strong> M\u00f4 ph\u1ecfng traffic ng\u01b0\u1eddi d\u00f9ng th\u1ef1c t\u1ebf, bao g\u1ed3m peak load v\u00e0 c\u00e1c stress scenarios, \u0111\u1ec3 x\u00e1c nh\u1eadn h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd nhu c\u1ea7u d\u1ef1 ki\u1ebfn \u200b\u200bv\u00e0 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m ngh\u1ebdn.<\/li>\n\n\n\n<li><strong>T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 (Efficiency Optimization):<\/strong> Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111\u1ec3 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, tr\u00e1nh ph\u00e2n b\u1ed5 qu\u00e1 m\u1ee9c nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o m\u1ee5c ti\u00eau hi\u1ec7u su\u1ea5t. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m t\u1ed1i \u01b0u h\u00f3a code, truy v\u1ea5n v\u00e0 c\u1ea5u h\u00ecnh h\u1ea1 t\u1ea7ng.<\/li>\n<\/ul>\n\n\n\n<p>Ngo\u00e0i ra, vi\u1ec7c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u1edbi kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng (redundancy) v\u00e0 ch\u1ecbu l\u1ed7i (fault tolerance) l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 c\u1ed1 t\u1ea1i m\u1ed9t th\u00e0nh ph\u1ea7n \u0111\u01a1n l\u1ebb (nh\u01b0 m\u00e1y ch\u1ee7 ho\u1eb7c trung t\u00e2m d\u1eef li\u1ec7u) kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n h\u1ec7 th\u1ed1ng. T\u1eadp trung v\u00e0o thi\u1ebft k\u1ebf b\u1ec1n v\u1eefng nh\u01b0 v\u1eady s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng v\u1eeba m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c quy m\u00f4, v\u1eeba duy tr\u00ec t\u00ednh \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 trong t\u00ecnh hu\u1ed1ng kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-top-10-cong-c\u1ee5-sre-ph\u1ed5-bi\u1ebfn\"><span class=\"ez-toc-section\" id=\"Top_10_cong_cu_SRE_pho_bien\"><\/span><strong>Top 10+ c\u00f4ng c\u1ee5 SRE ph\u1ed5 bi\u1ebfn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 10 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu gi\u00fap vi\u1ec7c tri\u1ec3n khai Site Reliability Engineering tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cac-cong-c\u1ee5-theo-doi-va-giam-sat\"><strong>C\u00e1c c\u00f4ng c\u1ee5 Theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/prometheus.io\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Prometheus<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>N\u1ed5i b\u1eadt v\u1edbi t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p v\u1edbi nhi\u1ec1u ngu\u1ed3n d\u1eef li\u1ec7u. Prometheus thu th\u1eadp s\u1ed1 li\u1ec7u xuy\u00ean su\u1ed1t qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 tr\u1ef1c quan h\u00f3a \u0111\u1ec3 d\u1ec5 d\u00e0ng ng\u1eef c\u1ea3nh h\u00f3a d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p>M\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd v\u00e0 ng\u00f4n ng\u1eef truy v\u1ea5n PromQL cho ph\u00e9p hi\u1ec3n th\u1ecb chi ti\u1ebft th\u00f4ng tin v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.datadoghq.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Datadog<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>C\u00f4ng c\u1ee5 \u0111a n\u0103ng cho SRE \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng cho s\u1ea3n xu\u1ea5t, b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng nh\u01b0 APM (Gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng), qu\u1ea3n l\u00fd log v\u00e0 gi\u00e1m s\u00e1t b\u1ea3o m\u1eadt. Datadog l\u00e0 c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t v\u00e0 ph\u00e2n t\u00edch th\u01b0\u01a1ng m\u1ea1i d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00e1m m\u00e2y.<\/p>\n\n\n\n<p>N\u1ec1n t\u1ea3ng n\u00e0y t\u00edch h\u1ee3p v\u1edbi nhi\u1ec1u d\u1ecbch v\u1ee5 v\u00e0 c\u00f4ng c\u1ee5 kh\u00e1c nhau, cung c\u1ea5p kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb to\u00e0n di\u1ec7n v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/grafana.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Grafana<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>N\u1ec1n t\u1ea3ng m\u00e3 ngu\u1ed3n m\u1edf, c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh \u0111\u1ec3 gi\u00e1m s\u00e1t v\u00e0 quan s\u00e1t, cho ph\u00e9p truy v\u1ea5n, tr\u1ef1c quan h\u00f3a v\u00e0 ph\u00e2n t\u00edch s\u1ed1 li\u1ec7u b\u1ea5t k\u1ec3 ch\u00fang \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf \u0111\u00e2u. Kh\u1ea3 n\u0103ng tr\u1ef1c quan h\u00f3a m\u1ea1nh m\u1ebd t\u1eeb thu th\u1eadp th\u00f4ng tin chi ti\u1ebft v\u1ec1 AI\/ML \u0111\u1ebfn k\u00edch ho\u1ea1t c\u1ea3nh b\u00e1o v\u00e0 load testing.<\/p>\n\n\n\n<p>Ngo\u00e0i vi\u1ec7c t\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Prometheus v\u00e0 300 n\u1ec1n t\u1ea3ng ph\u1ed5 bi\u1ebfn kh\u00e1c, Grafana cho ph\u00e9p t\u1ea1o b\u1ea3ng cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft theo th\u1eddi gian th\u1ef1c v\u1ec1 t\u00ecnh tr\u1ea1ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/newrelic.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>New Relic<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>K\u1ebft h\u1ee3p gi\u00e1m s\u00e1t \u1ee9ng d\u1ee5ng, h\u1ea1 t\u1ea7ng v\u00e0 h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng th\u1ef1c, gi\u00fap SRE n\u1eafm b\u1eaft s\u00e2u h\u01a1n v\u1ec1 m\u1ee9c \u0111\u1ed9 s\u1eb5n s\u00e0ng s\u1ea3n xu\u1ea5t. Ngo\u00e0i ra, c\u00e1c t\u00ednh n\u0103ng gi\u00e1m s\u00e1t to\u00e0n di\u1ec7n, giao di\u1ec7n tr\u1ef1c quan v\u00e0 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng h\u00f3a h\u1ed7 tr\u1ee3 x\u00e1c \u0111\u1ecbnh v\u00e0 x\u1eed l\u00fd nhanh c\u00e1c v\u1ea5n \u0111\u1ec1 hi\u1ec7u n\u0103ng, \u0111\u1ed3ng th\u1eddi ph\u1ed1i h\u1ee3p nh\u00f3m hi\u1ec7u qu\u1ea3 h\u01a1n khi c\u00f3 s\u1ef1 c\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cong-c\u1ee5-qu\u1ea3n-ly-on-call-va-s\u1ef1-c\u1ed1\"><strong>C\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd on-call v\u00e0 s\u1ef1 c\u1ed1<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.pagerduty.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>PagerDuty<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>Cung c\u1ea5p c\u00e1c ch\u00ednh s\u00e1ch l\u1eadp l\u1ecbch on-call, c\u1ea3nh b\u00e1o v\u00e0 x\u1eed l\u00fd leo thang, \u0111\u1ea3m b\u1ea3o c\u00e1c v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft k\u1ecbp th\u1eddi. PagerDuty gi\u00fap d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd b\u1ea5t k\u1ef3 trang tr\u1ea1ng th\u00e1i n\u00e0o b\u1ea1n c\u1ea7n, gi\u00fap t\u0103ng t\u1ed1c v\u00e0 c\u1ea3i thi\u1ec7n giao ti\u1ebfp v\u1edbi c\u00e1c b\u00ean li\u00ean quan \u0111\u1ebfn s\u1ef1 c\u1ed1, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00e1ch h\u00e0ng ho\u1eb7c nh\u00f3m h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n<p>Vi\u1ec7c t\u00edch h\u1ee3p PagerDuty v\u1edbi nhi\u1ec1u c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t kh\u00e1c nhau gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c s\u1ef1 c\u1ed1 tr\u00ean stack v\u00e0 gi\u1ea3i quy\u1ebft li\u1ec1n m\u1ea1ch, qua \u0111\u00f3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"http:\/\/incident.io\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Incident.io<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c t\u00ednh n\u0103ng nh\u01b0 t\u00edch h\u1ee3p qu\u1ea3n l\u00fd l\u1ecbch on-call, c\u1ea3nh b\u00e1o th\u1ed1ng nh\u1ea5t v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh l\u00e0m vi\u1ec7c m\u1ea1nh m\u1ebd; mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i.<\/p>\n\n\n\n<p>C\u00f4ng c\u1ee5 n\u00e0y cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng quy tr\u00ecnh \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1, gi\u1ea3m b\u1edbt s\u1ef1 lo l\u1eafng v\u00e0 h\u1ed7n lo\u1ea1n khi ph\u1ea3n h\u1ed3i c\u1ea3nh b\u00e1o v\u1ec1 s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng ho\u1eb7c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt kh\u00e1c. T\u1eeb \u0111\u00f3 b\u1ea1n t\u1eadp trung v\u00e0o nh\u1eefng vi\u1ec7c c\u1ea7n l\u00e0m, thay v\u00ec ph\u1ea3i \u0111i\u1ec1u ph\u1ed1i nh\u00f3m v\u00e0 ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cong-c\u1ee5-c\u1ea5u-hinh-va-t\u1ef1-d\u1ed9ng-hoa\"><strong>C\u00f4ng c\u1ee5 c\u1ea5u h\u00ecnh v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.jenkins.io\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Jenkins<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>Nhi\u1ec1u quy tr\u00ecnh CI\/CD \u0111\u1ec1u d\u1ef1a v\u00e0o Jenkins v\u00ec n\u00f3 t\u00edch h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft m\u1ecdi c\u00f4ng c\u1ee5 li\u00ean quan \u0111\u1ebfn CI\/CD. \u0110\u1ed1i v\u1edbi SRE, Jenkins cung c\u1ea5p kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 th\u01b0\u1eddng quy v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c thay \u0111\u1ed5i m\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 tri\u1ec3n khai nh\u1ea5t qu\u00e1n, \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p>C\u00e1c m\u00f4 h\u00ecnh ph\u00e2n ph\u1ed1i c\u1ee7a Jenkins c\u0169ng c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 SRE trong vi\u1ec7c c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 \u0111i\u1ec1u ch\u1ec9nh h\u1ec7 th\u1ed1ng c\u1ea5p cao h\u01a1n \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/registry.terraform.io\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Terraform<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>Terraform c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a th\u1eddi \u0111i\u1ec3m v\u00e0 c\u00e1ch th\u1ee9c cung c\u1ea5p, qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u1edf c\u1ea5p \u0111\u1ed9 m\u00e3, \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 tin c\u1eady. Terraform c\u0169ng qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, phi\u00ean b\u1ea3n v\u00e0 t\u00ednh m\u00f4-\u0111un, t\u1eeb \u0111\u00f3 ti\u1ebft ki\u1ec7m th\u1eddi gian cung c\u1ea5p l\u1ea1i m\u00f4i tr\u01b0\u1eddng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-portal-n\u1ed9i-b\u1ed9-danh-cho-developer\"><strong>Portal n\u1ed9i b\u1ed9 d\u00e0nh cho Developer<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/backstage.io\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Backstage<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>V\u1edbi c\u00e1c m\u1eabu ph\u1ea7n m\u1ec1m, SRE d\u1ec5 d\u00e0ng h\u01a1n trong vi\u1ec7c \u0111\u1ec1 xu\u1ea5t, tri\u1ec3n khai v\u00e0 th\u1ef1c thi c\u00e1c ti\u00eau chu\u1ea9n, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh tri\u1ec3n khai v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1 t\u1ed5ng th\u1ec3. Backstage n\u1ed5i ti\u1ebfng v\u1edbi t\u00ednh linh ho\u1ea1t v\u00e0 h\u1ec7 sinh th\u00e1i plugin r\u1ed9ng l\u1edbn.<\/p>\n\n\n\n<p>Nhi\u1ec1u plugin trong s\u1ed1 n\u00e0y t\u1eadp trung v\u00e0o gi\u00e1m s\u00e1t, kh\u1ea3 n\u0103ng quan s\u00e1t, \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t, nh\u01b0ng ch\u00fang ch\u1ec9 c\u00f3 th\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u trong t\u1eebng silo ri\u00eang l\u1ebb theo t\u1eebng c\u00f4ng c\u1ee5.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.port.io\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Port<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p>T\u1ea1o m\u1ed9t trung t\u00e2m t\u1eadp trung qu\u1ea3n l\u00fd m\u1ecdi kh\u00eda c\u1ea1nh c\u1ee7a vi\u1ec7c cung c\u1ea5p ph\u1ea7n m\u1ec1m, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 qu\u1ea3n l\u00fd s\u1ef1 c\u1ed1. Port gi\u00fap c\u00e1c SRE \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng nh\u01b0:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ed9t service catalog \u0111\u1ea7y \u0111\u1ee7 k\u00e8m ch\u1ee7 s\u1edf h\u1eefu;<\/li>\n\n\n\n<li>Theo d\u00f5i tri\u1ec3n khai \u0111\u1ea7u cu\u1ed1i;<\/li>\n\n\n\n<li>Ki\u1ec3m tra tu\u00e2n th\u1ee7 t\u1ef1 \u0111\u1ed9ng v\u00e0 scorecard \u0111\u1ec3 theo d\u00f5i vi\u1ec7c tu\u00e2n th\u1ee7 khi tri\u1ec3n khai;<\/li>\n\n\n\n<li>T\u00edch h\u1ee3p v\u1edbi m\u1ecdi d\u1ecbch v\u1ee5, c\u00f4ng c\u1ee5 tri\u1ec3n khai v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa \u0111\u1ec3 cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m c\u1ee7a b\u1ea1n;<\/li>\n\n\n\n<li>Bi\u1ec3u \u0111\u1ed3 ph\u1ee5 thu\u1ed9c \u0111\u1ec3 mapping s\u1ef1 c\u1ed1 t\u1ed1t h\u01a1n v\u1edbi blueprints.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-cau-h\u1ecfi-th\u01b0\u1eddng-g\u1eb7p-v\u1ec1-sre-la-gi\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_SRE_la_gi\"><\/span><strong>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 SRE l\u00e0 g\u00ec<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-do-d\u1ed9-tin-c\u1eady-c\u1ee7a-trang-web-nh\u01b0-th\u1ebf-nao\"><strong>C\u00e1ch \u0111o \u0111\u1ed9 tin c\u1eady c\u1ee7a trang web nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>\u0110\u1ed9 tin c\u1eady c\u1ee7a trang web th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng theo ba chi\u1ec1u:<\/p>\n\n\n\n<p>\u0110\u1ea7u ti\u00ean l\u00e0 SLI \u0111\u1ec3 \u0111o l\u01b0\u1eddng m\u1ee9c s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng, t\u00ecnh tr\u1ea1ng ch\u1eadm, gi\u00e1n \u0111o\u1ea1n, l\u1ed7i, l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 kh\u00e1c. SLI li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng &#8211; trong tr\u01b0\u1eddng h\u1ee3p c\u00e1c con s\u1ed1 kh\u00f4ng nh\u01b0 mong mu\u1ed1n, s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n\n\n\n<p>Th\u1ee9 hai, c\u00f3 c\u00e1c SLO x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 m\u1ee5c ti\u00eau cho \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m ho\u1eb7c d\u1ecbch v\u1ee5. V\u00ed d\u1ee5: c\u00f3 m\u1ed9t SLI y\u00eau c\u1ea7u \u0111\u1ed9 tr\u1ec5 d\u01b0\u1edbi 500ms trong 15 ph\u00fat cu\u1ed1i v\u1edbi t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m l\u00e0 95%, th\u00ec m\u1ed9t SLO 99% s\u1ebd y\u00eau c\u1ea7u SLI ph\u1ea3i \u0111\u1ea1t 99%. \u0110\u00e2y l\u00e0 c\u00e1c m\u1ee5c ti\u00eau n\u1ed9i b\u1ed9 m\u00e0 nh\u00f3m SRE v\u00e0 c\u00e1c b\u00ean li\u00ean quan n\u1ed9i b\u1ed9 (developer v\u00e0 PO) ph\u1ea3i th\u1ed1ng nh\u1ea5t.<\/p>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng l\u00e0 SLA, c\u00f3 th\u1ec3 \u0111\u00e2y l\u00e0 m\u1ed9t th\u1ecfa thu\u1eadn ng\u1ea7m ho\u1eb7c r\u00f5 r\u00e0ng \u1edf c\u1ea5p \u0111\u1ed9 doanh nghi\u1ec7p gi\u1eefa c\u00f4ng ty v\u00e0 kh\u00e1ch h\u00e0ng, n\u00eau r\u00f5 h\u1eadu qu\u1ea3 n\u1ebfu t\u1ed5 ch\u1ee9c kh\u00f4ng \u0111\u00e1p \u1ee9ng SLA. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 bao g\u1ed3m ng\u00e2n s\u00e1ch l\u1ed7i, \u0111o l\u01b0\u1eddng r\u1ee7i ro m\u00e0 SRE c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn khi cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ea3o tr\u00ec v\u00e0 c\u1ea3i ti\u1ebfn m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn SLA.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-k\u1ef9-s\u01b0-sre-s\u1eed-d\u1ee5ng-nh\u1eefng-ngon-ng\u1eef-l\u1eadp-trinh-nao\"><strong>K\u1ef9 s\u01b0 SRE s\u1eed d\u1ee5ng nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>C\u00f3 m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh m\u00e0 Site Reliability Engineer (SRE) n\u00ean h\u1ecdc \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00f4ng vi\u1ec7c, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Python:<\/strong> Python \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong SRE nh\u1edd t\u00ednh linh ho\u1ea1t, d\u1ec5 \u0111\u1ecdc, h\u1ec7 sinh th\u00e1i th\u01b0 vi\u1ec7n v\u00e0 framework phong ph\u00fa. Ng\u00f4n ng\u1eef n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 scripting, t\u1ef1 \u0111\u1ed9ng h\u00f3a, x\u1eed l\u00fd d\u1eef li\u1ec7u v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t v\u00e0 qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng.<\/li>\n\n\n\n<li><strong>Go:<\/strong> Go (Golang) l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh do Google ph\u00e1t tri\u1ec3n, nh\u1ea5n m\u1ea1nh v\u00e0o t\u00ednh \u0111\u01a1n gi\u1ea3n, hi\u1ec7u qu\u1ea3 v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ed3ng th\u1eddi. Go th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t cao, bao g\u1ed3m c\u00e1c c\u00f4ng c\u1ee5 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 d\u1ecbch v\u1ee5 vi m\u00f4.<\/li>\n\n\n\n<li><strong>Java:<\/strong> Java l\u00e0 ng\u00f4n ng\u1eef \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, n\u1ed5i ti\u1ebfng v\u1edbi t\u00ednh \u0111\u1ed9c l\u1eadp v\u00e0 m\u1ea1nh m\u1ebd tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng. Java \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p v\u00e0 c\u00f3 th\u1ec3 h\u1eefu \u00edch trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 c\u00f4ng c\u1ee5 quy m\u00f4 l\u1edbn.<\/li>\n\n\n\n<li><strong>Ruby:<\/strong> Ruby l\u00e0 ng\u00f4n ng\u1eef k\u1ecbch b\u1ea3n h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, n\u0103ng \u0111\u1ed9ng, d\u1ec5 \u0111\u1ecdc v\u00e0 d\u1ec5 di\u1ec5n \u0111\u1ea1t. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c n\u1ec1n t\u1ea3ng t\u1ef1 \u0111\u1ed9ng h\u00f3a, ph\u00e1t tri\u1ec3n web v\u00e0 qu\u1ea3n l\u00fd c\u1ea5u h\u00ecnh nh\u01b0 Chef v\u00e0 Puppet.<\/li>\n\n\n\n<li><strong>JavaScript:<\/strong> JavaScript ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho ph\u00e1t tri\u1ec3n web, nh\u01b0ng c\u0169ng \u0111ang ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn trong c\u00e1c \u1ee9ng d\u1ee5ng server-side v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00e1c n\u1ec1n t\u1ea3ng nh\u01b0 Node.js. C\u00e1c SRE c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng JavaScript cho c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a d\u1ef1a tr\u00ean web.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-toi-co-c\u1ea7n-bi\u1ebft-l\u1eadp-trinh-d\u1ec3-lam-sre-khong\"><strong>T\u00f4i c\u00f3 c\u1ea7n bi\u1ebft l\u1eadp tr\u00ecnh \u0111\u1ec3 l\u00e0m SRE kh\u00f4ng?<\/strong><\/h3>\n\n\n\n<p>C\u00f3, nh\u01b0ng m\u1ee9c \u0111\u1ed9 c\u1ea7n thi\u1ebft c\u1ee7a k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh s\u1ebd kh\u00e1c nhau t\u00f9y v\u00e0o t\u00ecnh hu\u1ed1ng.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>T\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00f4ng vi\u1ec7c l\u1eb7p l\u1ea1i (toil):<\/strong> L\u1eadp tr\u00ecnh gi\u00fap SRE lo\u1ea1i b\u1ecf nh\u1eefng t\u00e1c v\u1ee5 th\u1ee7 c\u00f4ng, l\u1eb7p \u0111i l\u1eb7p l\u1ea1i m\u00e0 kh\u00f4ng t\u1ea1o ra gi\u00e1 tr\u1ecb d\u00e0i h\u1ea1n. SRE c\u1ea7n bi\u1ebft vi\u1ebft script ho\u1eb7c d\u00f9ng c\u00f4ng c\u1ee5 low-code \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a.<\/li>\n\n\n\n<li><strong>Qu\u1ea3n l\u00fd h\u1ea1 t\u1ea7ng qua API, DSL ho\u1eb7c template:<\/strong> Khi l\u00e0m vi\u1ec7c v\u1edbi cloud ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn, kh\u1ea3 n\u0103ng vi\u1ebft code c\u01a1 b\u1ea3n \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi API, thi\u1ebft l\u1eadp monitoring hay qu\u1ea3n l\u00fd c\u1ea5u h\u00ecnh gi\u00fap SRE ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4.<\/li>\n\n\n\n<li><strong>S\u1eeda l\u1ed7i trong source code: <\/strong>Khi s\u1ef1 c\u1ed1 n\u1eb1m s\u00e2u trong code, SRE ph\u1ea3i \u0111\u1ecdc v\u00e0 \u0111\u00f4i khi s\u1eeda ch\u00ednh m\u00e3 ngu\u1ed3n h\u1ec7 th\u1ed1ng. L\u00fac n\u00e0y c\u1ea7n k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh n\u00e2ng cao nh\u01b0 m\u1ed9t software engineer th\u1ef1c th\u1ee5.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ai-co-tac-d\u1ed9ng-d\u1ebfn-sre-khong\"><strong>AI c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn SRE kh\u00f4ng?<\/strong><\/h3>\n\n\n\n<p>AIOps cho ph\u00e9p c\u00e1c k\u1ef9 s\u01b0 SRE ph\u1ea3n \u1ee9ng nhanh h\u01a1n, th\u1eadm ch\u00ed ch\u1ee7 \u0111\u1ed9ng v\u1edbi t\u00ecnh tr\u1ea1ng ch\u1eadm v\u00e0 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, v\u1edbi \u00edt c\u00f4ng s\u1ee9c v\u00e0 th\u1eddi gian h\u01a1n. Ch\u00fang c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n \u0111\u1ec3 ph\u1ea3n h\u1ed3i v\u00e0 kh\u1eafc ph\u1ee5c nhanh ch\u00f3ng ho\u1eb7c trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, t\u1ef1 \u0111\u1ed9ng gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 can thi\u1ec7p c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-k\u1ef9-s\u01b0-sre-lam-gi\"><strong>K\u1ef9 s\u01b0 SRE l\u00e0m g\u00ec?<\/strong><\/h3>\n\n\n\n<p>K\u1ef9 s\u01b0 SRE ch\u1ecbu tr\u00e1ch nhi\u1ec7m \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 ph\u1ea7n m\u1ec1m ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, hi\u1ec7u su\u1ea5t cao v\u00e0 \u0111\u00e1ng tin c\u1eady trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t. K\u1ef9 s\u01b0 SRE s\u1eed d\u1ee5ng ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 v\u1eadn h\u00e0nh, gi\u1ea3m thi\u1ec3u c\u00f4ng vi\u1ec7c th\u1ee7 c\u00f4ng v\u00e0 thi\u1ebft l\u1eadp c\u00e1c m\u1ee5c ti\u00eau d\u1ecbch v\u1ee5 (SLO).<\/p>\n\n\n\n<p>C\u00f4ng vi\u1ec7c c\u1ed1t l\u00f5i c\u1ee7a h\u1ecd l\u00e0 qu\u1ea3n l\u00fd r\u1ee7i ro, gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng 24\/7 v\u00e0 ph\u1ea3n \u1ee9ng\/kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 kh\u1ea9n c\u1ea5p \u0111\u1ec3 duy tr\u00ec th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft-sre-la-gi\"><span class=\"ez-toc-section\" id=\"Tong_ket_SRE_la_gi\"><\/span><strong>T\u1ed5ng k\u1ebft SRE l\u00e0 g\u00ec<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ee5c ti\u00eau t\u1ed1i th\u01b0\u1ee3ng c\u1ee7a SRE l\u00e0 c\u00e2n b\u1eb1ng gi\u1eefa t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n t\u00ednh n\u0103ng m\u1edbi v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng, d\u1ef1a tr\u00ean c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u1ecbnh l\u01b0\u1ee3ng nh\u01b0 SLI v\u00e0 SLO \u0111\u1ec3 \u0111o l\u01b0\u1eddng v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n. Vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn nh\u01b0 ITviec v\u1eeba chia s\u1ebb l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu, gi\u00fap \u0111\u1ed9i ng\u0169 SRE duy tr\u00ec t\u00ednh \u1ed5n \u0111\u1ecbnh, gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u1ee9c t\u1ea1p \u1edf quy m\u00f4 l\u1edbn.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SRE kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t vai tr\u00f2, m\u00e0 c\u00f2n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn k\u1ebft h\u1ee3p c\u00e1c nguy\u00ean t\u1eafc k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m v\u1edbi c\u00e1c t\u00e1c v\u1ee5 v\u1eadn h\u00e0nh, nh\u1eb1m x\u00e2y d\u1ef1ng nh\u1eefng h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng h\u00f3a cao, b\u1ec1n v\u1eefng v\u00e0 \u0111\u00e1ng tin c\u1eady. V\u1eady SRE l\u00e0 g\u00ec v\u00e0 c\u00e1c [&hellip;]<\/p>\n","protected":false},"author":205,"featured_media":91529,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-91524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-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>SRE l\u00e0 g\u00ec: Nguy\u00ean t\u1eafc, c\u00f4ng c\u1ee5 v\u00e0 s\u1ed1 li\u1ec7u quan tr\u1ecdng c\u1ea7n bi\u1ebft - ITviec Blog<\/title>\n<meta name=\"description\" content=\"Hi\u1ec3u chi ti\u1ebft SRE l\u00e0 g\u00ec, nguy\u00ean t\u1eafc v\u1eadn h\u00e0nh c\u1ed1t l\u00f5i, c\u00f4ng c\u1ee5 SRE ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 c\u1ea7n bi\u1ebft v\u1ec1 Site Reliability \u0111\u1ec3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng.\" \/>\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\/sre-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SRE l\u00e0 g\u00ec: Nguy\u00ean t\u1eafc, c\u00f4ng c\u1ee5 v\u00e0 s\u1ed1 li\u1ec7u quan tr\u1ecdng c\u1ea7n bi\u1ebft\" \/>\n<meta property=\"og:description\" content=\"SRE kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t vai tr\u00f2, m\u00e0 c\u00f2n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn k\u1ebft h\u1ee3p c\u00e1c nguy\u00ean t\u1eafc k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m v\u1edbi c\u00e1c t\u00e1c v\u1ee5 v\u1eadn h\u00e0nh, nh\u1eb1m x\u00e2y d\u1ef1ng nh\u1eefng h\u1ec7\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/sre-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"ITviec Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ITviec\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-21T10:04:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-21T10:04:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/09\/sre-la-gi-scaled.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"421\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"H\u00e0 My\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ITviec\" \/>\n<meta name=\"twitter:site\" content=\"@ITviec\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 My\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"30 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"SRE l\u00e0 g\u00ec: Nguy\u00ean t\u1eafc, c\u00f4ng c\u1ee5 v\u00e0 s\u1ed1 li\u1ec7u quan tr\u1ecdng c\u1ea7n bi\u1ebft - ITviec Blog","description":"Hi\u1ec3u chi ti\u1ebft SRE l\u00e0 g\u00ec, nguy\u00ean t\u1eafc v\u1eadn h\u00e0nh c\u1ed1t l\u00f5i, c\u00f4ng c\u1ee5 SRE ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 c\u1ea7n bi\u1ebft v\u1ec1 Site Reliability \u0111\u1ec3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/itviec.com\/blog\/sre-la-gi\/","og_locale":"vi_VN","og_type":"article","og_title":"SRE l\u00e0 g\u00ec: Nguy\u00ean t\u1eafc, c\u00f4ng c\u1ee5 v\u00e0 s\u1ed1 li\u1ec7u quan tr\u1ecdng c\u1ea7n bi\u1ebft","og_description":"SRE kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t vai tr\u00f2, m\u00e0 c\u00f2n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn k\u1ebft h\u1ee3p c\u00e1c nguy\u00ean t\u1eafc k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m v\u1edbi c\u00e1c t\u00e1c v\u1ee5 v\u1eadn h\u00e0nh, nh\u1eb1m x\u00e2y d\u1ef1ng nh\u1eefng h\u1ec7","og_url":"https:\/\/itviec.com\/blog\/sre-la-gi\/","og_site_name":"ITviec Blog","article_publisher":"https:\/\/www.facebook.com\/ITviec","article_published_time":"2025-09-21T10:04:31+00:00","article_modified_time":"2025-09-21T10:04:34+00:00","og_image":[{"width":800,"height":421,"url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/09\/sre-la-gi-scaled.png","type":"image\/png"}],"author":"H\u00e0 My","twitter_card":"summary_large_image","twitter_creator":"@ITviec","twitter_site":"@ITviec","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"H\u00e0 My","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"30 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/#article","isPartOf":{"@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/"},"author":{"name":"H\u00e0 My","@id":"https:\/\/itviec.com\/blog\/#\/schema\/person\/7bd099db44e5079508c9b7e8c0161e3c"},"headline":"SRE l\u00e0 g\u00ec: Nguy\u00ean t\u1eafc, c\u00f4ng c\u1ee5 v\u00e0 s\u1ed1 li\u1ec7u quan tr\u1ecdng c\u1ea7n bi\u1ebft","datePublished":"2025-09-21T10:04:31+00:00","dateModified":"2025-09-21T10:04:34+00:00","mainEntityOfPage":{"@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/"},"wordCount":8177,"publisher":{"@id":"https:\/\/itviec.com\/blog\/#organization"},"image":{"@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/09\/sre-la-gi-scaled.png","articleSection":["Chuy\u00ean m\u00f4n IT"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/","url":"https:\/\/itviec.com\/blog\/sre-la-gi\/","name":"SRE l\u00e0 g\u00ec: Nguy\u00ean t\u1eafc, c\u00f4ng c\u1ee5 v\u00e0 s\u1ed1 li\u1ec7u quan tr\u1ecdng c\u1ea7n bi\u1ebft - ITviec Blog","isPartOf":{"@id":"https:\/\/itviec.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/#primaryimage"},"image":{"@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/09\/sre-la-gi-scaled.png","datePublished":"2025-09-21T10:04:31+00:00","dateModified":"2025-09-21T10:04:34+00:00","description":"Hi\u1ec3u chi ti\u1ebft SRE l\u00e0 g\u00ec, nguy\u00ean t\u1eafc v\u1eadn h\u00e0nh c\u1ed1t l\u00f5i, c\u00f4ng c\u1ee5 SRE ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 c\u1ea7n bi\u1ebft v\u1ec1 Site Reliability \u0111\u1ec3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng.","breadcrumb":{"@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/itviec.com\/blog\/sre-la-gi\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/#primaryimage","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/09\/sre-la-gi-scaled.png","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/09\/sre-la-gi-scaled.png","width":800,"height":421,"caption":"sre l\u00e0 g\u00ec - itviec blog"},{"@type":"BreadcrumbList","@id":"https:\/\/itviec.com\/blog\/sre-la-gi\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Chuy\u00ean m\u00f4n IT","item":"https:\/\/itviec.com\/blog\/chuyen-mon-it\/"},{"@type":"ListItem","position":2,"name":"SRE l\u00e0 g\u00ec: Nguy\u00ean t\u1eafc, c\u00f4ng c\u1ee5 v\u00e0 s\u1ed1 li\u1ec7u quan tr\u1ecdng c\u1ea7n bi\u1ebft"}]},{"@type":"WebSite","@id":"https:\/\/itviec.com\/blog\/#website","url":"https:\/\/itviec.com\/blog\/","name":"ITviec Blog","description":"IT Jobs &amp; People in Vietnam","publisher":{"@id":"https:\/\/itviec.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/itviec.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/itviec.com\/blog\/#organization","name":"ITviec","url":"https:\/\/itviec.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/12\/itviec-black-square-facebook.png","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/12\/itviec-black-square-facebook.png","width":1800,"height":1800,"caption":"ITviec"},"image":{"@id":"https:\/\/itviec.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/ITviec","https:\/\/x.com\/ITviec","https:\/\/www.linkedin.com\/company\/itviec","https:\/\/www.youtube.com\/channel\/UCYthAQ3bcGr57M_ag5gHDvQ"]},{"@type":"Person","@id":"https:\/\/itviec.com\/blog\/#\/schema\/person\/7bd099db44e5079508c9b7e8c0161e3c","name":"H\u00e0 My","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/ha-my-author-e1709882319892-100x100.jpeg","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/ha-my-author-e1709882319892-100x100.jpeg","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/ha-my-author-e1709882319892-100x100.jpeg","caption":"H\u00e0 My"},"url":"https:\/\/itviec.com\/blog\/author\/ha-my\/"}]}},"_links":{"self":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/91524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/users\/205"}],"replies":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/comments?post=91524"}],"version-history":[{"count":3,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/91524\/revisions"}],"predecessor-version":[{"id":91530,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/91524\/revisions\/91530"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/media\/91529"}],"wp:attachment":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/media?parent=91524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/categories?post=91524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/tags?post=91524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}