{"id":14595,"date":"2020-02-24T17:08:44","date_gmt":"2020-02-24T10:08:44","guid":{"rendered":"https:\/\/kiencang.net\/?p=14595"},"modified":"2020-02-25T00:05:39","modified_gmt":"2020-02-24T17:05:39","slug":"he-thong-giam-sat-theo-chieu-doc","status":"publish","type":"post","link":"https:\/\/kiencang.net\/he-thong-giam-sat-theo-chieu-doc\/","title":{"rendered":"V\u1ea5n \u0111\u1ec1 c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t theo chi\u1ec1u d\u1ecdc"},"content":{"rendered":"<p>Khi t\u00ecm hi\u1ec3u v\u1ec1 <a href=\"https:\/\/kiencang.net\/theo-doi-up-time-website\/\">h\u1ec7 th\u1ed1ng theo d\u00f5i uptime website<\/a>, t\u00f4i b\u1eaft g\u1eb7p <a href=\"https:\/\/datuan.dev\/2019\/03\/theo-doi-uptime-website-freshping\/\">m\u1ed9t c\u00e2u h\u1ecfi r\u1ea5t th\u00fa v\u1ecb c\u1ee7a t\u00e1c gi\u1ea3 Tu\u1ea5n Dev<\/a>, \u0111\u1ea1i \u00fd l\u00e0:<\/p>\n<blockquote><p>B\u1ea3n th\u00e2n c\u00e1c h\u1ec7 th\u1ed1ng theo d\u00f5i uptime th\u00ec c\u00e1i g\u00ec ho\u1eb7c ai theo d\u00f5i uptime cho n\u00f3?!<\/p><\/blockquote>\n<p><!--more--><\/p>\n<p>B\u1edfi n\u1ebfu h\u1ec7 th\u1ed1ng theo d\u00f5i uptime m\u00e0 b\u1ecb downtime, c\u00e1c k\u1ebft qu\u1ea3 t\u1eeb n\u00f3 s\u1ebd b\u1edbt ch\u00ednh x\u00e1c.<\/p>\n<p>\u0110\u00e2y l\u00e0 \u0111i\u1ec1u d\u1ec5 hi\u1ec3u.<\/p>\n<p>N\u1ebfu m\u1ed9t c\u00f4ng c\u1ee5 theo d\u00f5i uptime m\u00e0 b\u1ea3n th\u00e2n n\u00f3 ch\u1ec9 c\u00f3 uptime 99%, th\u00ec n\u00f3 s\u1ebd kh\u00f4ng th\u1ec3 \u0111\u01b0a ra th\u1ed1ng k\u00ea ch\u00ednh x\u00e1c h\u01a1n 99%, do 1% th\u1eddi gian c\u00f2n l\u1ea1i n\u00f3 <em>kh\u00f4ng th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c<\/em> c\u00e1c website n\u00f3 \u0111ang theo d\u00f5i \u0111ang \u1edf tr\u1ea1ng th\u00e1i uptime hay downtime (gi\u00e1n \u0111o\u1ea1n truy c\u1eadp).<\/p>\n<p>Ch\u00fang ta s\u1ebd g\u1eb7p l\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u1edf c\u00e1c c\u00f4ng ty gia \u0111\u00ecnh.<\/p>\n<p>C\u00e1c c\u00f4ng ty c\u00f3 c\u1ea5u tr\u00fac l\u00e3nh \u0111\u1ea1o theo chi\u1ec1u d\u1ecdc, c\u1ea5p tr\u00ean gi\u00e1m s\u00e1t v\u00e0 ra quy\u1ebft \u0111\u1ecbnh cho c\u1ea5p d\u01b0\u1edbi.<\/p>\n<p>C\u00e2u h\u1ecfi n\u1ea3y sinh l\u00e0: Ai s\u1ebd l\u00e0 ng\u01b0\u1eddi gi\u00e1m s\u00e1t c\u1ea5p cao nh\u1ea5t?<\/p>\n<p>T\u1ea5t nhi\u00ean b\u1ea1n c\u00f3 th\u1ec3 n\u00f3i l\u00e0, ch\u00ednh nh\u1eefng ng\u01b0\u1eddi lao \u0111\u1ed9ng, nh\u1eefng c\u1ea5p d\u01b0\u1edbi kh\u00e1c gi\u00e1m s\u00e1t c\u1ea5p tr\u00ean.<\/p>\n<p>\u0110i\u1ec1u \u0111\u00f3 \u0111\u00fang ph\u1ea7n n\u00e0o, nh\u01b0ng \u0111\u00f3 ch\u1ec9 l\u00e0 <em>gi\u00e1m s\u00e1t kh\u00f4ng ch\u00ednh th\u1ee9c<\/em>. V\u00e0 gi\u00e1m s\u00e1t kh\u00f4ng ch\u00ednh th\u1ee9c g\u1eb7p r\u1ea5t nhi\u1ec1u gi\u1edbi h\u1ea1n.<\/p>\n<p>B\u1ea1n kh\u00f4ng th\u1ec3 y\u00eau c\u1ea7u ki\u1ec3m tra h\u1ed3 s\u01a1 s\u1ed5 s\u00e1ch theo \u0111\u1ecbnh k\u1ef3 v\u1edbi gi\u00e1m s\u00e1t kh\u00f4ng ch\u00ednh th\u1ee9c. B\u1ea1n kh\u00f4ng th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0o v\u00e0 v\u00ec l\u00fd do g\u00ec trong gi\u00e1m s\u00e1t kh\u00f4ng ch\u00ednh th\u1ee9c.<\/p>\n<p>N\u00f3i t\u00f3m l\u1ea1i gi\u00e1m s\u00e1t kh\u00f4ng ch\u00ednh th\u1ee9c s\u1ebd kh\u00f4ng c\u00f3 \u0111\u1ea7y \u0111\u1ee7 v\u00e0 k\u1ecbp th\u1eddi c\u00e1c th\u00f4ng tin quan tr\u1ecdng nh\u1ea5t.<\/p>\n<p>H\u1ec7 qu\u1ea3: ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb trong c\u00f4ng ty gia \u0111\u00ecnh c\u00f3 th\u1ec3 l\u1ea1m quy\u1ec1n, m\u00e0 ch\u1ee7 y\u1ebfu \u1edf \u0111\u00e2y l\u00e0 s\u1ebd th\u1ef1c hi\u1ec7n c\u00e1c quy\u1ebft \u0111\u1ecbnh c\u00f3 l\u1ee3i nh\u1ea5t cho h\u1ecd, d\u00f9 c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i nghi\u00eam tr\u1ecdng \u0111\u1ebfn quy\u1ec1n l\u1ee3i c\u1ee7a ng\u01b0\u1eddi lao \u0111\u1ed9ng b\u00ean d\u01b0\u1edbi, ho\u1eb7c\/v\u00e0 c\u1ea3 x\u00e3 h\u1ed9i n\u00f3i chung.<\/p>\n<blockquote><p>B\u1ea5t l\u1ee3i c\u0103n b\u1ea3n c\u1ee7a h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t theo chi\u1ec1u d\u1ecdc, l\u00e0 b\u1ea3n th\u00e2n n\u00f3 kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t cho c\u1ea5p cao nh\u1ea5t. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra l\u1ed7 h\u1ed5ng v\u1ec1 th\u00f4ng tin, t\u1ea1o c\u01a1 h\u1ed9i cho c\u00e1c sai l\u1ea7m ti\u1ebfp di\u1ec5n trong b\u00f3ng t\u1ed1i.<\/p><\/blockquote>\n<p>M\u1ed9t v\u00ed d\u1ee5 n\u1eefa l\u00e0 v\u1ec1 h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i (load balancing).<\/p>\n<figure id=\"attachment_14602\" aria-describedby=\"caption-attachment-14602\" style=\"width: 902px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14602\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/02\/load-balancing.png\" alt=\"c\u00e2n b\u1eb1ng t\u1ea3i\" width=\"912\" height=\"441\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2020\/02\/load-balancing.png 912w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/02\/load-balancing-300x145.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/02\/load-balancing-768x371.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2020\/02\/load-balancing-585x283.png 585w\" sizes=\"(max-width: 912px) 100vw, 912px\" \/><figcaption id=\"caption-attachment-14602\" class=\"wp-caption-text\">\u1ea2nh t\u1eeb <a href=\"https:\/\/text.relipasoft.com\/2019\/09\/master-aws-phan-1-load-balancer\/\">relipasoft<\/a><\/figcaption><\/figure>\n<p>H\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i gi\u00fap website duy tr\u00ec \u0111\u01b0\u1ee3c uptime cao h\u01a1n. Nguy\u00ean l\u00fd c\u1ee7a n\u00f3 nh\u01b0 sau:<\/p>\n<ul>\n<li>B\u00ean c\u1ea1nh m\u00e1y ch\u1ee7 b\u1ea1n \u0111ang c\u00f3, b\u1ea1n thu\u00ea th\u00eam m\u1ed9t m\u00e1y ch\u1ee7 n\u1eefa, l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 c\u00f3 c\u1ea5u h\u00ecnh t\u01b0\u01a1ng t\u1ef1<\/li>\n<li>M\u00e1y ch\u1ee7 th\u1ee9 hai (m\u00e1y ch\u1ee7 d\u1ef1 ph\u00f2ng) n\u00e0y sao ch\u00e9p to\u00e0n b\u1ed9 n\u1ed9i dung c\u1ee7a m\u00e1y ch\u1ee7 th\u1ee9 nh\u1ea5t (m\u00e1y ch\u1ee7 ch\u00ednh)<\/li>\n<li>M\u1ed9t h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i k\u1ebft n\u1ed1i c\u1ea3 hai m\u00e1y ch\u1ee7 ch\u00ednh v\u00e0 d\u1ef1 ph\u00f2ng. H\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i n\u1eb1m gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 2 m\u00e1y ch\u1ee7<\/li>\n<li>Khi c\u00f3 m\u1ed9t y\u00eau c\u1ea7u \u0111\u1ebfn website, h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i s\u1ebd ki\u1ec3m tra xem m\u00e1y ch\u1ee7 ch\u00ednh c\u00f3 \u1ed5n hay kh\u00f4ng, n\u1ebfu \u1ed5n n\u00f3 s\u1ebd \u0111i\u1ec1u h\u01b0\u1edbng truy c\u1eadp v\u1ec1 \u0111\u00e2y. Trong tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1ee3c l\u1ea1i, m\u00e1y ch\u1ee7 ch\u00ednh g\u1eb7p v\u1ea5n \u0111\u1ec1, h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i s\u1ebd \u0111i\u1ec1u h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng v\u1ec1 m\u00e1y ch\u1ee7 d\u1ef1 ph\u00f2ng gi\u00fap cho website kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n<\/li>\n<\/ul>\n<p>Nh\u01b0ng d\u01b0\u1eddng nh\u01b0 ch\u00fang ta qu\u00ean m\u1ea5t \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng:<\/p>\n<ul>\n<li>H\u1ec7 th\u1ed1ng tr\u00ean \u0111\u00e3 \u0111\u01b0\u1ee3c <em>l\u00fd t\u01b0\u1edfng h\u00f3a<\/em>, khi h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3 \u0111\u1ecbnh l\u00e0 c\u00f3 <em>uptime 100%<\/em> v\u00e0 <em>kh\u00f4ng g\u1eb7p b\u1ea5t c\u1ee9 l\u1ed7i n\u00e0o<\/em> trong vi\u1ec7c ra quy\u1ebft \u0111\u1ecbnh chuy\u1ec3n h\u01b0\u1edbng, \u0111i\u1ec1u trong \u0111\u1eddi th\u1ef1c kh\u00f4ng bao gi\u1edd x\u1ea3y ra<\/li>\n<\/ul>\n<p>N\u00f3i c\u00e1ch kh\u00e1c, v\u1ea5n \u0111\u1ec1 \u1edf \u0111\u00e2y l\u00e0: b\u1ea3n th\u00e2n h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p l\u1ed7i v\u00e0 g\u00e2y gi\u00e1n \u0111o\u1ea1n website! t\u1ee9c l\u00e0 b\u1ea3n th\u00e2n n\u00f3 c\u0169ng ph\u1ea3i c\u00f3 y\u1ebfu t\u1ed1 gi\u00e1m s\u00e1t kh\u00e1c \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/p>\n<p>M\u1ed9t y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c, h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i ph\u1ea3i c\u00f3 uptime tr\u00ean l\u00fd thuy\u1ebft t\u1ed1t h\u01a1n uptime c\u1ee7a hosting m\u00e0 n\u00f3 gi\u00fap ph\u00e2n ph\u1ed1i truy c\u1eadp. N\u1ebfu ng\u01b0\u1ee3c l\u1ea1i, th\u00ec ch\u00ednh h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i s\u1ebd l\u00e0m th\u1eddi gian gi\u00e1n \u0111o\u1ea1n c\u1ee7a website t\u00ednh tr\u00ean trung b\u00ecnh cao h\u01a1n so v\u1edbi khi n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng! Load balancing b\u1ea5t ng\u1edd tr\u1edf th\u00e0nh m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t.<\/p>\n<p>V\u1eady l\u00e0 b\u1ea1n l\u1ea1i ph\u1ea3i thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t c\u00f3 uptime cao h\u01a1n uptime c\u1ee7a h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ec3 ph\u00e1t hi\u1ec7n ra th\u1eddi \u0111i\u1ec3m load balancing b\u1ecb downtime? Li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng nh\u01b0 th\u1ebf \u0111\u01b0\u1ee3c kh\u00f4ng?<\/p>\n<p>C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 KH\u00d4NG. H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t theo chi\u1ec1u d\u1ecdc kh\u00f4ng th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ebfn v\u00f4 t\u1eadn, n\u00f3 s\u1ebd ph\u1ea3i d\u1eebng l\u1ea1i \u1edf \u0111i\u1ec3m n\u00e0o \u0111\u00f3, v\u00e0 \u0111i\u1ec3m cu\u1ed1i n\u00e0y tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 v\u00ec b\u1ea3n th\u00e2n n\u00f3 kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng 100% nh\u01b0 l\u00fd t\u01b0\u1edfng \u0111\u01b0\u1ee3c. \u0110i\u1ec3m cu\u1ed1i ch\u1eafc ch\u1eafn c\u00f3 kh\u1ea3 n\u0103ng g\u1eb7p v\u1ea5n \u0111\u1ec1, \u0111i\u1ec1u quan tr\u1ecdng kh\u00f4ng ph\u1ea3i l\u00e0 n\u00f3 s\u1ebd g\u1eb7p r\u1eafc r\u1ed1i (ch\u00fang ta bi\u1ebft r\u1eb1ng s\u1edbm mu\u1ed9n n\u00f3 s\u1ebd c\u00f3 v\u1ea5n \u0111\u1ec1), m\u00e0 l\u00e0 ng\u01b0\u1eddi ta kh\u00f4ng bi\u1ebft v\u1ea5n \u0111\u1ec1 \u1ea5y x\u1ea3y ra v\u00e0o l\u00fac n\u00e0o v\u00e0 nghi\u00eam tr\u1ecdng ra sao n\u1ebfu kh\u00f4ng c\u00f3 g\u00ec gi\u00e1m s\u00e1t. \u0110\u00e2y l\u00e0 l\u00fac <a href=\"https:\/\/kiencang.net\/he-thong-ben-ngoai-trong-wordpress\/\">h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i th\u1ec3 hi\u1ec7n gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3<\/a>.<\/p>\n<h2>H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t theo chi\u1ec1u ngang<\/h2>\n<p>V\u1ea5n \u0111\u1ec1 c\u1ee7a h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t theo chi\u1ec1u d\u1ecdc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft kh\u00e1 \u0111\u01a1n gi\u1ea3n n\u1ebfu ng\u01b0\u1eddi ta quy\u1ebft \u0111\u1ecbnh m\u1edf r\u1ed9ng vi\u1ec7c gi\u00e1m s\u00e1t n\u00e0y theo chi\u1ec1u ngang. T\u1ee9c l\u00e0 c\u00e1c \u0111i\u1ec3m gi\u00e1m s\u00e1t s\u1ebd \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t ch\u00e9o nhau, \u0111\u1ec3 khi x\u1ea3y ra l\u1ed7i \u1edf b\u1ea5t k\u1ef3 \u0111i\u1ec3m n\u00e0o trong h\u1ec7 th\u1ed1ng, c\u00e1c l\u1ed7i n\u00e0y s\u1ebd nhanh ch\u00f3ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 kh\u1eafc ph\u1ee5c (tr\u01b0\u1edbc khi c\u00f3 kh\u1ea3 n\u0103ng kh\u1eafc ph\u1ee5c n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u0111\u00e3).<\/p>\n<p>H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ki\u1ec3u c\u0169 gi\u1ed1ng nh\u01b0 s\u1ee3i ch\u1ec9 m\u1ecfng manh xuy\u00ean qua c\u00e1c chu\u1ed7i c\u1ea7n gi\u00e1m s\u00e1t nh\u01b0 c\u00e1c n\u00fat h\u1ea1t, h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ch\u00e9o gi\u1ed1ng nh\u01b0 m\u1ea1ng nh\u1ec7n h\u01a1n, m\u1ed9t \u0111i\u1ec3m tr\u00ean n\u00f3 k\u1ebft n\u1ed1i v\u1edbi nhi\u1ec1u \u0111i\u1ec3m kh\u00e1c v\u00e0 c\u00f3 s\u1ef1 gi\u00e1m s\u00e1t qua l\u1ea1i l\u1eabn nhau.<\/p>\n<p>C\u00e2u h\u1ecfi khi\u1ebfn ch\u00fang ta b\u0103n kho\u0103n l\u00e0: li\u1ec7u m\u1ed9t h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t b\u1ecb coi l\u00e0 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p h\u01a1n c\u00f3 gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c coi l\u00e0 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n hay kh\u00f4ng?<\/p>\n<p>Tr\u1ef1c gi\u00e1c n\u00f3i kh\u00f4ng, nh\u01b0ng th\u1ef1c t\u1ebf n\u00f3i C\u00d3:<\/p>\n<ul>\n<li>Ch\u1eb3ng h\u1ea1n 10 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t uptime c\u1ea5p d\u01b0\u1edbi c\u00f3 uptime l\u00e0 99%. M\u1ed9t h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t uptime c\u1ea5p tr\u00ean c\u00f3 uptime 99,9%. Li\u1ec7u 10 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t uptime c\u1ea5p d\u01b0\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0a ra \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u1ec1 uptime c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ea5p tr\u00ean kh\u00f4ng? C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 <em>c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c<\/em>, n\u1ebfu c\u1ea3 10 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t uptime c\u1ea5p d\u01b0\u1edbi KH\u00d4NG b\u1ecb downtime c\u00f9ng m\u1ed9t l\u00fac v\u00e0o kho\u1ea3ng 0,01% th\u1eddi gian. \u0110i\u1ec1u n\u00e0y l\u00e0 c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch ph\u00e2n t\u00e1n c\u00e1c r\u1ee7i ro h\u00e0ng \u0111\u1ea7u d\u1eabn \u0111\u1ebfn downtime c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng c\u1ea5p d\u01b0\u1edbi. V\u00ed d\u1ee5 nh\u01b0 gi\u1ea3 s\u1eed ngu\u1ed3n \u0111i\u1ec7n l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y downtime, c\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t uptime c\u1ea5p d\u01b0\u1edbi n\u00ean s\u1eed d\u1ee5ng c\u00e1c ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh kh\u00e1c nhau, c\u0169ng nh\u01b0 c\u00e1c ngu\u1ed3n d\u1ef1 ph\u00f2ng kh\u00e1c nhau \u0111\u1ec3 tr\u00e1nh b\u1ecb r\u1edbt c\u00f9ng m\u1ed9t l\u00fac.<\/li>\n<li>C\u00e1c nh\u00e2n vi\u00ean ho\u00e0n to\u00e0n c\u00f3 kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c c\u1ea5p tr\u00ean c\u1ee7a m\u00ecnh. Cho d\u00f9 b\u1ea1n c\u00f3 gi\u1ea3 \u0111\u1ecbnh l\u00e0 c\u00e1c nh\u00e2n vi\u00ean c\u1ea5p d\u01b0\u1edbi kh\u00f4ng c\u00f3 n\u0103ng l\u1ef1c nh\u01b0 c\u1ea5p tr\u00ean, th\u00ec s\u1ef1 ph\u1ed1i h\u1ee3p gi\u1eefa h\u1ecd th\u01b0\u1eddng \u0111em l\u1ea1i n\u0103ng l\u1ef1c t\u1ed1t h\u01a1n r\u1ea5t nhi\u1ec1u. H\u01a1n n\u1eefa vi\u1ec7c gi\u00e1m s\u00e1t \u1edf \u0111\u00e2y ch\u1ee7 y\u1ebfu \u1edf kh\u00eda c\u1ea1nh c\u00e2n b\u1eb1ng l\u1ee3i \u00edch. Ng\u0103n kh\u00f4ng cho c\u1ea5p tr\u00ean \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh thi\u00ean l\u1ec7ch v\u1ec1 l\u1ee3i \u00edch ho\u1eb7c vi ph\u1ea1m \u0111\u1ea1o \u0111\u1ee9c. H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t c\u1ea5p d\u01b0\u1edbi c\u00f3 th\u1ec3 kh\u00f4ng can thi\u1ec7p \u0111\u01b0\u1ee3c v\u00e0o quy\u1ebft \u0111\u1ecbnh c\u1ee7a c\u1ea5p tr\u00ean (\u0111\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1 kh\u00e1c), \u0111i\u1ec3m tr\u1ecdng t\u00e2m \u1edf \u0111\u00e2y l\u00e0 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t c\u1ea5p d\u01b0\u1edbi nh\u1edd vi\u1ec7c gi\u00e1m s\u00e1t ng\u01b0\u1ee3c \u0111\u00e3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 m\u00e0 c\u1ea5p tr\u00ean \u0111ang g\u1eb7p ph\u1ea3i.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Khi t\u00ecm hi\u1ec3u v\u1ec1 h\u1ec7 th\u1ed1ng theo d\u00f5i uptime website, t\u00f4i b\u1eaft g\u1eb7p m\u1ed9t c\u00e2u h\u1ecfi r\u1ea5t th\u00fa v\u1ecb c\u1ee7a t\u00e1c gi\u1ea3 Tu\u1ea5n Dev, \u0111\u1ea1i \u00fd l\u00e0: B\u1ea3n th\u00e2n c\u00e1c h\u1ec7 th\u1ed1ng theo d\u00f5i uptime th\u00ec c\u00e1i g\u00ec ho\u1eb7c ai theo d\u00f5i uptime cho n\u00f3?!<\/p>\n","protected":false},"author":1,"featured_media":14599,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[160,97],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>V\u1ea5n \u0111\u1ec1 c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t theo chi\u1ec1u d\u1ecdc &#8226; 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