{"id":1889,"date":"2021-03-31T10:28:14","date_gmt":"2021-03-31T10:28:14","guid":{"rendered":"https:\/\/www.ipcpu.com\/?p=1889"},"modified":"2022-07-31T10:28:43","modified_gmt":"2022-07-31T10:28:43","slug":"redis-slowlog","status":"publish","type":"post","link":"https:\/\/c.ipcpu.com\/2021\/03\/redis-slowlog\/","title":{"rendered":"Redis Slowlog\u6162\u67e5\u8be2\u65e5\u5fd7"},"content":{"rendered":"<p><div class=\"wiz_toc_layer\"><a class=\"wiz_toc h1\" href=\"#wiz-toc-0-477715746\">\u4e00\u3001Redis Slowlog\u6982\u8ff0<\/a><br \/><a class=\"wiz_toc h1\" href=\"#wiz-toc-1-1503635660\">\u4e8c\u3001Redis Slowlog\u7684\u914d\u7f6e<\/a><br \/><a class=\"wiz_toc h1\" href=\"#wiz-toc-2-1224605634\">\u4e09\u3001Redis Slowlog\u8bfb\u53d6<\/a><br \/><a class=\"wiz_toc h1\" href=\"#wiz-toc-3-1526573078\">\u56db\u3001Redis Slowlog\u6ce8\u610f\u4e8b\u9879<\/a><\/div>\n<p><a href=\"#wizToc\" style=\"display: none;\">toc<\/a><\/p>\n<h2 id=\"wiz-toc-0-477715746\">\u4e00\u3001Redis Slowlog\u6982\u8ff0<\/h2>\n<p>Redis Slowlog\u662f\u6392\u67e5\u6027\u80fd\u95ee\u9898\u5173\u952e\u76d1\u63a7\u6307\u6807\u3002\u5b83\u662f\u8bb0\u5f55Redis queries\u8fd0\u884c\u65f6\u95f4\u8d85\u65f6\u7279\u5b9a\u9600\u503c\u7684\u7cfb\u7edf\u3002 <br \/>\n\u8fd9\u7c7b\u6162\u67e5\u8be2\u547d\u4ee4\u88ab\u4fdd\u5b58\u5230Redis\u670d\u52a1\u5668\u7684\u4e00\u4e2a\u5b9a\u957f\u961f\u5217\uff0c\u6700\u591a\u4fdd\u5b58slowlog-max-len(\u9ed8\u8ba4128\uff09\u4e2a\u6162\u67e5\u8be2\u547d\u4ee4\u3002 <br \/>\n\u5f53\u6162\u67e5\u8be2\u547d\u4ee4\u8fbe\u5230128\u4e2a\u65f6\uff0c\u65b0\u4ea7\u751f\u7684\u6162\u67e5\u8be2\u88ab\u52a0\u5165\u524d\uff0c\u4f1a\u4ece\u961f\u5217\u4e2d\u5220\u9664\u6700\u65e7\u7684\u6162\u67e5\u8be2\u547d\u4ee4\u3002<\/p>\n<h2 id=\"wiz-toc-1-1503635660\">\u4e8c\u3001Redis Slowlog\u7684\u914d\u7f6e<\/h2>\n<p>redis slowlog\u901a\u8fc72\u4e2a\u53c2\u6570\u914d\u7f6e\u7ba1\u7406\uff0c\u9ed8\u8ba4\u547d\u4ee4\u8017\u65f6\u8d85\u8fc710\u6beb\u79d2\uff0c\u5c31\u4f1a\u88ab\u8bb0\u5f55\u5230\u6162\u67e5\u8be2\u65e5\u5fd7\u961f\u5217\u4e2d\uff1b\u961f\u5217\u9ed8\u8ba4\u4fdd\u5b58\u6700\u8fd1\u4ea7\u751f\u7684128\u4e2a\u6162\u67e5\u8be2\u547d\u4ee4\u3002<\/p>\n<div>\n<pre><code>slowlog-log-slower-than #\u6162\u67e5\u8be2\u9600\u503c,\u5355\u4f4d\u5fae\u79d2. \u9ed8\u8ba4100000(10\u6beb\u79d2);\nslowlog-max-len #\u6162\u67e5\u8be2\u5b58\u50a8\u7684\u6700\u5927\u4e2a\u6570,\u9ed8\u8ba4128;<\/code><\/pre>\n<\/div>\n<p>\u751f\u4ea7\u73af\u5883\u53ef\u4ee5\u9002\u5f53\u8c03\u5c0f\u9608\u503c\u8c03\u5927\u4e2a\u6570\uff0c\u6162\u67e5\u8be2\u4e0d\u4f1a\u5360\u7528\u8fc7\u591a\u7684\u5185\u5b58\u3002<\/p>\n<h2 id=\"wiz-toc-2-1224605634\">\u4e09\u3001Redis Slowlog\u8bfb\u53d6<\/h2>\n<p>redis-cli\u5ba2\u6237\u7aef\u901a\u8fc7slowlog get\u6307\u4ee4\u83b7\u53d6\u6700\u65b010\u6761\u6162\u67e5\u8be2\u547d\u4ee4\u3002<\/p>\n<div>\n<pre><code>127.0.0.1:6381&gt; SLOWLOG get 2\n1) 1) (integer) 6\n   2) (integer) 1458734263\n   3) (integer) 74372\n   4) 1) \"hgetall\"\n      2) \"max.dsp.blacklist\"\n2) 1) (integer) 5\n   2) (integer) 1458734258\n   3) (integer) 5411075\n   4) 1) \"keys\"\n      2) \"max.dsp.blacklist\"<\/code><\/pre>\n<\/div>\n<p>\u5206\u6790slowlog query\uff1a <br \/>\n  \u4ee5\u7b2c\u4e00\u4e2aHGET\u547d\u4ee4\u4e3a\u4f8b\u5206\u6790\uff0c\u6bcf\u4e2aslowlog\u5b9e\u4f53\u51714\u4e2a\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li>\u5b57\u6bb51\uff1a1\u4e2a\u6574\u6570,\u8868\u793a\u8fd9\u4e2aslowlog\u51fa\u73b0\u7684\u5e8f\u53f7,server\u542f\u52a8\u540e\u9012\u589e, \u5f53\u524d\u4e3a6.<\/li>\n<li>\u5b57\u6bb52\uff1a\u8868\u793a\u67e5\u8be2\u6267\u884c\u65f6\u7684Unix\u65f6\u95f4\u6233(\u79d2\u7ea7)<\/li>\n<li>\u5b57\u6bb53\uff1a\u8868\u793a\u67e5\u8be2\u6267\u884c\u5fae\u5999\u6570,\u5f53\u524d\u662f74372\u5fae\u5999,\u7ea674\u6beb\u79d2ms.<\/li>\n<li>\u5b57\u6bb54: \u8868\u793a\u67e5\u8be2\u7684\u547d\u4ee4\u548c\u53c2\u6570,\u5982\u679c\u53c2\u6570\u5f88\u591a\u6216\u5f88\u5927,\u53ea\u4f1a\u663e\u793a\u90e8\u5206\u5e76\u7ed9\u6570\u53c2\u6570\u4e2a\u6570;<\/li>\n<\/ul>\n<h2 id=\"wiz-toc-3-1526573078\">\u56db\u3001Redis Slowlog\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>\u800cRedis\u7684\u6162\u67e5\u8be2\u53ea\u8bb0\u5f55\u81ea\u5df1\u201c\u88abcpu\u670d\u52a1\u7684\u65f6\u95f4\u201d\uff08redis\u5904\u7406\uff09\uff0c\u4e0d\u5305\u542b\u6392\u961f\u7b49\u5f85\u3001IO\u7b49\u5f85\uff08\u5982AOF SYNC\uff09\u8fd9\u7c7b\u65f6\u95f4\u3002<\/p>\n<p>\u4f46\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u8bf7\u6c42\u662f\u5305\u62ec\u7f51\u7edc\u5efa\u8054\u3001\u6392\u961f\u7b49\u5f85\u3001redis\u5904\u7406\u3001\u6570\u636e\u8fd4\u56de\u7684\uff0c\u6240\u4ee5\u8fd9\u8fd9\u4e2a\u6307\u6807\u53ea\u80fd\u7528\u6765\u6392\u67e5redis key\u548credis\u547d\u4ee4\u662f\u5426\u5408\u7406\uff0c\u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7f51\u7edc\u6216\u8005IO\u5f15\u8d77\u7684\u95ee\u9898\uff0c\u65e0\u80fd\u4e3a\u529b\u3002 <br \/>\n<img decoding=\"async\" src=\"https:\/\/www.ipcpu.com\/wp-content\/uploads\/2022\/07\/b5201deedaba1542ba4b421e560aa84d_492e6cfc-883b-4356-830d-68c29c48f65c.webp\"><\/p>\n<p>\u90a3\u8fd8\u6709\u65b9\u6cd5\u53ef\u4ee5\u76d1\u63a7\u5230\u5b8c\u6574\u7684\u54cd\u5e94\u65f6\u95f4\u4e48\uff1f <br \/>\ntcprstat \u5de5\u5177\u53ef\u4ee5\u76d1\u63a7TCP\u5c42\u5b8c\u6574\u7684\u54cd\u5e94\u65f6\u95f4\u3002\u4f46\u662f\u4ed6\u5de5\u4f5c\u5728TCP\u5c42\uff0c\u65e0\u6cd5\u63a2\u77e5\u662f\u54ea\u4e2aRedis\u547d\u4ee4\u3002 <br \/>\n<img decoding=\"async\" src=\"https:\/\/www.ipcpu.com\/wp-content\/uploads\/2022\/07\/b5201deedaba1542ba4b421e560aa84d_cfe301eb-cbc5-4ca5-9462-eafa1cc93312.webp\" style=\"color: rgb(36, 41, 47); font-family: ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace; font-size: 0.85rem;\"><\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/c.ipcpu.com\">IPCPU-\u7f51\u7edc\u4e4b\u8def<\/a> &raquo; <a href=\"https:\/\/c.ipcpu.com\/2021\/03\/redis-slowlog\/\">Redis Slowlog\u6162\u67e5\u8be2\u65e5\u5fd7<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001Redis Slowlog\u6982\u8ff0\u4e8c\u3001Redis Slowlog\u7684\u914d\u7f6e\u4e09\u3001Redis Slowlog\u8bfb\u53d6\u56db\u3001Redis Slowlog\u6ce8\u610f\u4e8b\u9879 toc \u4e00\u3001Redis Slowlog\u6982\u8ff0 Redis Slowlog\u662f\u6392\u67e5\u6027\u80fd\u95ee\u9898\u5173\u952e\u76d1\u63a7\u6307\u6807\u3002\u5b83\u662f\u8bb0\u5f55Redis queries\u8fd0\u884c\u65f6\u95f4\u8d85\u65f6\u7279\u5b9a\u9600\u503c\u7684\u7cfb\u7edf\u3002 \u8fd9\u7c7b\u6162\u67e5\u8be2\u547d\u4ee4\u88ab\u4fdd\u5b58\u5230Redis\u670d\u52a1\u5668\u7684\u4e00\u4e2a\u5b9a\u957f\u961f\u5217\uff0c\u6700\u591a\u4fdd\u5b58slowlog-max-len(\u9ed8\u8ba4128\uff09\u4e2a\u6162\u67e5\u8be2\u547d\u4ee4\u3002 \u5f53\u6162\u67e5\u8be2\u547d\u4ee4\u8fbe\u5230128\u4e2a\u65f6\uff0c\u65b0\u4ea7\u751f\u7684\u6162\u67e5\u8be2\u88ab\u52a0\u5165\u524d\uff0c\u4f1a\u4ece\u961f\u5217\u4e2d\u5220\u9664\u6700\u65e7\u7684\u6162\u67e5\u8be2\u547d\u4ee4\u3002 \u4e8c\u3001Redis Slowlog\u7684\u914d\u7f6e redis slowlog\u901a\u8fc72\u4e2a\u53c2\u6570\u914d\u7f6e\u7ba1\u7406\uff0c\u9ed8\u8ba4\u547d\u4ee4\u8017\u65f6\u8d85\u8fc710\u6beb\u79d2\uff0c\u5c31\u4f1a\u88ab\u8bb0\u5f55\u5230\u6162\u67e5\u8be2\u65e5\u5fd7\u961f\u5217\u4e2d\uff1b\u961f\u5217\u9ed8\u8ba4\u4fdd\u5b58\u6700\u8fd1\u4ea7\u751f\u7684128\u4e2a\u6162\u67e5\u8be2\u547d\u4ee4\u3002 slowlog-log-slower-than #\u6162\u67e5\u8be2\u9600\u503c,\u5355\u4f4d\u5fae\u79d2. \u9ed8\u8ba4100000(10\u6beb\u79d2); slowlog-max-len #\u6162\u67e5\u8be2\u5b58\u50a8\u7684\u6700\u5927\u4e2a\u6570,\u9ed8\u8ba4128; \u751f\u4ea7\u73af\u5883\u53ef\u4ee5\u9002\u5f53\u8c03\u5c0f\u9608\u503c\u8c03\u5927\u4e2a\u6570\uff0c\u6162\u67e5\u8be2\u4e0d\u4f1a\u5360\u7528\u8fc7\u591a\u7684\u5185\u5b58\u3002 \u4e09\u3001Redis Slowlog\u8bfb\u53d6 redis-cli\u5ba2\u6237\u7aef\u901a\u8fc7slowlog get\u6307\u4ee4\u83b7\u53d6\u6700\u65b010\u6761\u6162\u67e5\u8be2\u547d\u4ee4\u3002 127.0.0.1:6381&gt; SLOWLOG get 2 1) 1) (integer) 6 2) (integer) 1458734263 3) (integer) 74372 4) 1) &#8220;hgetall&#8221; 2) &#8220;max.dsp.blacklist&#8221; 2) 1) (integer) 5 2) (integer) 1458734258 3) (integer) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[142],"_links":{"self":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/1889"}],"collection":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/comments?post=1889"}],"version-history":[{"count":2,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/1889\/revisions"}],"predecessor-version":[{"id":1891,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/1889\/revisions\/1891"}],"wp:attachment":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/media?parent=1889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/categories?post=1889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/tags?post=1889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}