{"id":201796,"date":"2025-05-10T11:40:38","date_gmt":"2025-05-10T03:40:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201796\/"},"modified":"2025-05-10T11:40:38","modified_gmt":"2025-05-10T03:40:38","slug":"redis%e4%b8%ba%e4%bb%80%e4%b9%88%e9%80%89%e6%8b%a9%e5%8d%95%e7%ba%bf%e7%a8%8b%ef%bc%9fredis%e4%b8%ba%e4%bb%80%e4%b9%88%e8%bf%99%e4%b9%88%e5%bf%ab%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201796\/","title":{"rendered":"Redis\u4e3a\u4ec0\u4e48\u9009\u62e9\u5355\u7ebf\u7a0b\uff1fRedis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Redis\u4e3a\u4ec0\u4e48\u9009\u62e9\u5355\u7ebf\u7a0b\uff1fRedis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\uff1f<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0cgolang\u5b66\u4e60\u7f51\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300aRedis\u4e3a\u4ec0\u4e48\u9009\u62e9\u5355\u7ebf\u7a0b\uff1fRedis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86redis\u7ebf\u7a0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n<p>\u4eca\u5929\u641e\u4e00\u4e0b\u7ecf\u5178\u9762\u8bd5\u9898Redis\u4e3a\u4ec0\u4e48\u9009\u62e9\u5355\u7ebf\u7a0b\uff1fRedis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\uff1f\uff0c\u5b9e\u73b0\u5feb\u901f\u5165\u95e8\uff0c\u4e30\u5bcc\u4e2a\u4eba\u7b80\u5386\uff0c\u63d0\u9ad8\u9762\u8bd5level\uff0c\u7ed9\u81ea\u5df1\u589e\u52a0\u4e00\u70b9\u8c08\u8d44\uff0c\u79d2\u53d8\u9762\u8bd5\u5c0f\u8fbe\u4eba\uff0cBAT\u4e0d\u662f\u68a6\u3002<\/p>\n<h3>\u4e00\u3001Redis\u7248\u672c\u8fed\u4ee3<\/h3>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874988645de4acd34b5.jpg1683874988645de4acd34c7.png\" style=\"max-width:100%\" class=\"aligncenter\"><\/p>\n<p>Redis2.6\uff0c\u652f\u6301lua\u811a\u672c\uff1b<\/p>\n<p>Redis3.0\uff0c\u652f\u6301\u96c6\u7fa4\uff1b<\/p>\n<p>Redis4.0\uff0c\u6df7\u5408\u6301\u4e45\u5316\uff0c\u591a\u7ebf\u7a0b\u5f02\u6b65\u5220\u9664\uff1b<\/p>\n<p>Redis5.0\uff0c\u6838\u5fc3\u4ee3\u7801\u91cd\u6784\uff1b<\/p>\n<p>Redis6.0\uff0c\u591a\u7ebf\u7a0bIO\uff1b<\/p>\n<p>Redis7.0\uff0cFunction\u3001Multi-part-AOF\uff1b<\/p>\n<h3>\u4e8c\u3001Redis4.0\u4e4b\u524d\u4e3a\u4ec0\u4e48\u4e00\u76f4\u91c7\u7528\u5355\u7ebf\u7a0b\uff1f<\/h3>\n<p>1\u3001Redis\u91c7\u7528\u5355\u7ebf\u7a0b\u6a21\u578b\u65b9\u4fbf\u5f00\u53d1\u548c\u7ef4\u62a4\uff1b<\/p>\n<p>2\u3001\u5355\u7ebf\u7a0b\u6a21\u578b\u4e5f\u53ef\u4ee5\u901a\u8fc7IO\u591a\u8def\u590d\u7528\u548c\u975e\u963b\u585eIO\u5e76\u53d1\u5904\u7406\u591a\u5ba2\u6237\u7aef\u8bf7\u6c42\uff1b<\/p>\n<p>3\u3001\u5bf9\u4e8eRedis\u6765\u8bf4\uff0c\u4e3b\u8981\u7684\u6027\u80fd\u74f6\u9888\u662f\u5185\u5b58\u548c\u7f51\u7edc\uff0c\u800c\u4e0d\u662fCPU\uff1b<\/p>\n<h3>\u4e09\u3001Redis6.0\u5f15\u5165\u591a\u7ebf\u7a0b<\/h3>\n<p>Redis6.0\u4e4b\u524d\uff0cRedis\u4ece\u7f51\u7edcIO\u5904\u7406\u5230\u5b9e\u9645\u7684\u8bfb\u5199\u547d\u4ee4\u5904\u7406\uff0c\u90fd\u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u53ea\u4e0d\u8fc7\u5728\u6570\u636e\u5220\u9664\u3001\u6570\u636e\u6301\u4e45\u5316\u7684\u65f6\u5019\u4f7f\u7528\u7684\u662f\u591a\u7ebf\u7a0b\u3002<\/p>\n<p>Redis\u7684\u6027\u80fd\u74f6\u9888\u4e3b\u8981\u662f\u7f51\u7edcIO\uff0c\u56e0\u6b64\uff0cRedis6.0\u5f00\u59cb\uff0c\u91c7\u7528\u591a\u4e2aIO\u7ebf\u7a0b\u6765\u5904\u7406\u7f51\u7edc\u8bf7\u6c42\uff0c\u63d0\u9ad8\u7f51\u7edc\u8bf7\u6c42\u5904\u7406\u7684\u5e76\u884c\u5ea6\u3002<\/p>\n<h3>\u56db\u3001Redis\u4e3b\u7ebf\u7a0b\u548cIO\u7ebf\u7a0b\u662f\u5982\u4f55\u5b8c\u6210\u8bf7\u6c42\u7684\uff1f<\/h3>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874989645de4ad0b74a.jpg1683874989645de4ad0b75c.png\" style=\"max-width:100%\" class=\"aligncenter\"><\/p>\n<h4>1\u3001\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u5efa\u7acbsocket\u8fde\u63a5<\/h4>\n<p>\u4e3b\u7ebf\u7a0b\u8d1f\u8d23\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u628asocket\u653e\u5165\u5168\u5c40\u7b49\u5f85\u961f\u5217\uff0c\u4e3b\u7ebf\u7a0b\u901a\u8fc7\u8f6e\u8be2\u7684\u65b9\u6cd5\u5c06socket\u8fde\u63a5\u5206\u914d\u7ed9IO\u7ebf\u7a0b\u3002<\/p>\n<h4>2\u3001IO\u7ebf\u7a0b\u8bfb\u53d6\u5e76\u89e3\u6790\u8bf7\u6c42<\/h4>\n<p>\u4e3b\u7ebf\u7a0b\u4e00\u65e6\u628asocket\u5206\u914d\u7ed9IO\u7ebf\u7a0b\uff0c\u5c31\u4f1a\u8fdb\u5165\u963b\u585e\u72b6\u6001\uff0c\u7b49\u5f85IO\u7ebf\u7a0b\u5b8c\u6210\u5ba2\u6237\u7aef\u8bf7\u6c42\uff0c\u6b64\u65f6\uff0c\u91c7\u7528\u591a\u4e2aIO\u7ebf\u7a0b\u5e76\u884c\u5904\u7406\u3002<\/p>\n<h4>3\u3001\u4e3b\u7ebf\u7a0b\u6267\u884c\u8bf7\u6c42\u547d\u4ee4<\/h4>\n<p>IO\u7ebf\u7a0b\u89e3\u6790\u5b8c\u8bf7\u6c42\uff0c\u4e3b\u7ebf\u7a0b\u8fd8\u662f\u4f1a\u4ee5\u5355\u7ebf\u7a0b\u7684\u65b9\u5f0f\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\u3002<\/p>\n<h4>4\u3001IO\u7ebf\u7a0b\u4f1a\u5199\u56desocket\u548c\u4e3b\u7ebf\u7a0b\u6e05\u7a7a\u5168\u5c40\u961f\u5217<\/h4>\n<p>\u5f53\u4e3b\u7ebf\u7a0b\u6267\u884c\u5b8c\u8bf7\u6c42\u547d\u4ee4\u540e\uff0c\u4f1a\u5c06\u7ed3\u679c\u5199\u5165\u7f13\u51b2\u533a\uff0c\u4e3b\u7ebf\u7a0b\u8fdb\u5165\u963b\u585e\u72b6\u6001\uff0c\u7b49\u5f85IO\u7ebf\u7a0b\u5c06\u7ed3\u679c\u56de\u5199\u5230socket\u4e2d\uff0c\u5e76\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<p>\u56de\u5199socket\u5b8c\u6bd5\u540e\uff0c\u4e3b\u7ebf\u7a0b\u6e05\u7a7a\u5168\u5c40\u961f\u5217\u3002<\/p>\n<h3>\u4e94\u3001IO\u591a\u8def\u590d\u7528\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>IO\u591a\u8def\u590d\u7528\uff0c\u4e00\u79cd\u540c\u6b65\u7684IO\u6a21\u578b\uff0c\u5b9e\u73b0\u4e00\u4e2a\u7ebf\u7a0b\u76d1\u89c6\u591a\u4e2a\u6587\u4ef6\u53e5\u67c4\uff0c\u4e00\u65e6\u67d0\u4e2a\u6587\u4ef6\u53e5\u67c4\u5c31\u7eea\u5c31\u80fd\u591f\u901a\u77e5\u5230\u5bf9\u7528\u7684\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u5bf9\u5e94\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u6ca1\u6709\u6587\u4ef6\u53e5\u67c4\u5c31\u7eea\u65f6\uff0c\u7a0b\u5e8f\u5c31\u4f1a\u8fdb\u5165\u963b\u585e\u72b6\u6001\uff0c\u91ca\u653eCPU\u8d44\u6e90\u3002<\/p>\n<p>1\u3001IO\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\u6307\u6570\u636e\u5728\u5185\u6838\u6001\u548c\u7528\u6237\u6001\u4e4b\u95f4\u8fdb\u884c\u7684\u8bfb\u5199\u64cd\u4f5c\uff1b<\/p>\n<p>2\u3001\u591a\u8def\uff0c\u591a\u4e2a\u5ba2\u6237\u7aefsocket\u8fde\u63a5\uff1b<\/p>\n<p>3\u3001\u590d\u7528\uff0c\u590d\u7528\u7ebf\u7a0b\uff1b<\/p>\n<p>4\u3001IO\u591a\u8def\u590d\u7528\uff0c\u4f7f\u7528\u5355\u7ebf\u7a0b\u5c31\u80fd\u591f\u540c\u65f6\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aefsocket\u8fde\u63a5\uff1b<\/p>\n<p>\u5ba2\u6237\u7aefsocket\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26FileDescriptor\u6ce8\u518c\u8fdbepoll\uff0cepoll\u4f1a\u76d1\u542c\u54ea\u4e9bsocket\u6709\u6d88\u606f\uff0c\u907f\u514d\u5927\u91cf\u7684\u65e0\u7528\u64cd\u4f5c\u3002<\/p>\n<p>\u6b64\u65f6socket\u91c7\u7528\u975e\u963b\u585e\u6a21\u5f0f\uff0c\u6574\u4e2a\u8fc7\u7a0b\u53ea\u5728\u8c03\u7528select\u3001poll\u3001epoll\u65f6\u624d\u4f1a\u963b\u585e\uff0c\u6536\u5230\u5ba2\u6237\u7aef\u6d88\u606f\u4e0d\u4f1a\u963b\u585e\uff0c\u8fd9\u4e2a\u8fdb\u7a0b\u5c31\u4f1a\u88ab\u5145\u5206\u5229\u7528\u8d77\u6765\uff0c\u8fd9\u79cd\u6a21\u5f0f\u4e00\u822c\u88ab\u79f0\u4e3a\u4e8b\u4ef6\u9a71\u52a8\uff0c\u4e5f\u5c31\u662freactor\u53cd\u5e94\u6a21\u5f0f\u3002<\/p>\n<p>\u91c7\u7528epoll\u7684\u65b9\u5f0f\uff0c\u6700\u7ec8\u76ee\u7684\u662f\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u541e\u5410\u80fd\u529b\u3002<\/p>\n<p>IO\u591a\u8def\u590d\u7528\u4e0eepoll\u51fd\u6570\u624d\u662f**\u201cRedis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\uff1f\u201d**\u7684\u76f4\u63a5\u539f\u56e0\u3002<\/p>\n<h3>\u516d\u3001\u603b\u7ed3<\/h3>\n<p>Redis\u662f\u4e00\u4e2a\u57fa\u4e8e\u5185\u5b58\u64cd\u4f5c\u3001KV\u5f62\u5f0f\u7684\u6570\u636e\u5e93\uff0c\u91c7\u53d6\u591a\u8def\u590d\u7528\u3001\u975e\u963b\u585eIO\u3001\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u7b49\u7279\u6027\u3002<\/p>\n<p>Redis\u4e00\u76f4\u5b58\u5728BigKey\u95ee\u9898\uff0c\u56e0\u6b64\u5728Redis4.0\u5f15\u5165\u4e86\u591a\u7ebf\u7a0b\u5f02\u6b65\u5220\u9664\uff0c\u6b63\u5f0f\u6253\u5f00Redis\u591a\u7ebf\u7a0b\u65b0\u7bc7\u7ae0\u3002<\/p>\n<p>Redis6.0\u5f15\u5165IO\u591a\u7ebf\u7a0b\u7684\u8bfb\u5199\uff0c\u66f4\u9ad8\u6548\u7684\u5904\u7406\u8bf7\u6c42\uff0cRedis\u53ea\u662f\u5c06IO\u8bfb\u5199\u53d8\u6210\u4e86\u591a\u7ebf\u7a0b\uff0c\u547d\u4ee4\u7684\u6267\u884c\u8fd8\u662f\u7531\u4e3b\u7ebf\u7a0b\u5355\u7ebf\u7a0b\u6267\u884c\uff0c\u56e0\u6b64\uff0c\u591a\u7ebf\u7a0b\u4e0b\u64cd\u4f5cRedis\u4e0d\u4f1a\u51fa\u73b0\u7ebf\u7a0b\u5b89\u5168\u7684\u95ee\u9898\uff0c\u4e0d\u7528\u50cfJava\u90a3\u6837\u52a0\u9501\uff0c\u89e3\u9501\uff0c\u8fd9\u4e5f\u662fRedis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis\u4e3a\u4ec0\u4e48\u9009\u62e9\u5355\u7ebf\u7a0b\uff1fRe&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201796","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201796"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201796\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}