{"id":128349,"date":"2024-10-26T13:30:19","date_gmt":"2024-10-26T05:30:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128349\/"},"modified":"2024-10-26T13:30:20","modified_gmt":"2024-10-26T05:30:20","slug":"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bd%e9%9d%9e%e9%98%bb%e5%a1%9e-io","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128349\/","title":{"rendered":"Redis \u5be6\u73fe\u7684\u9ad8\u6027\u80fd\u975e\u963b\u585e IO"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bd%e9%9d%9e%e9%98%bb%e5%a1%9e-io-xQDWGsWsQi\">Redis \u5be6\u73fe\u7684\u9ad8\u6027\u80fd\u975e\u963b\u585e IO<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u5982\u4f55\u5be6\u73fe\u9ad8\u6027\u80fd\u7684\u975e\u963b\u585e IO\uff0c\u4e26\u5206\u6790\u5176\u80cc\u5f8c\u7684\u6280\u8853\u539f\u7406\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%9d%9e%e9%98%bb%e5%a1%9e-io%ef%bc%9f-xQDWGsWsQi\">\u4ec0\u9ebc\u662f\u975e\u963b\u585e IO\uff1f<\/h2>\n<p>\u975e\u963b\u585e IO\uff08Non-blocking I\/O\uff09\u662f\u4e00\u7a2e\u5141\u8a31\u7a0b\u5e8f\u5728\u7b49\u5f85 IO \u64cd\u4f5c\u5b8c\u6210\u6642\u4e0d\u6703\u88ab\u963b\u585e\u7684\u6280\u8853\u3002\u9019\u610f\u5473\u8457\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5728\u7b49\u5f85\u6578\u64da\u8b80\u53d6\u6216\u5beb\u5165\u7684\u540c\u6642\uff0c\u7e7c\u7e8c\u57f7\u884c\u5176\u4ed6\u4efb\u52d9\u3002\u9019\u7a2e\u65b9\u5f0f\u7279\u5225\u9069\u5408\u9ad8\u4e26\u767c\u7684\u61c9\u7528\u5834\u666f\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u6709\u6548\u5229\u7528\u7cfb\u7d71\u8cc7\u6e90\uff0c\u6e1b\u5c11\u7a7a\u9592\u6642\u9593\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84-io-%e6%a8%a1%e5%9e%8b-xQDWGsWsQi\">Redis \u7684 IO \u6a21\u578b<\/h2>\n<p>Redis \u4f7f\u7528\u4e86\u4e00\u7a2e\u57fa\u65bc\u4e8b\u4ef6\u9a45\u52d5\u7684\u975e\u963b\u585e IO \u6a21\u578b\u3002\u9019\u7a2e\u6a21\u578b\u4e3b\u8981\u4f9d\u8cf4\u65bc\u4ee5\u4e0b\u5e7e\u500b\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li><strong>\u4e8b\u4ef6\u5faa\u74b0\uff08Event Loop\uff09<\/strong>\uff1aRedis \u7684\u6838\u5fc3\u662f\u4e8b\u4ef6\u5faa\u74b0\uff0c\u5b83\u8ca0\u8cac\u76e3\u63a7\u548c\u8655\u7406\u6240\u6709\u7684 IO \u4e8b\u4ef6\u3002\u7576\u6709\u65b0\u7684\u8acb\u6c42\u5230\u4f86\u6642\uff0c\u4e8b\u4ef6\u5faa\u74b0\u6703\u7acb\u5373\u8655\u7406\uff0c\u800c\u4e0d\u6703\u7b49\u5f85\u5176\u4ed6\u8acb\u6c42\u5b8c\u6210\u3002<\/li>\n<li><strong>\u591a\u8def\u5fa9\u7528\uff08Multiplexing\uff09<\/strong>\uff1aRedis \u4f7f\u7528\u4e86\u591a\u8def\u5fa9\u7528\u6280\u8853\uff0c\u901a\u904e\u55ae\u500b\u7dda\u7a0b\u4f86\u8655\u7406\u591a\u500b\u9023\u63a5\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0a\u4e0b\u6587\u5207\u63db\u7684\u958b\u92b7\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u6587\u4ef6\u63cf\u8ff0\u7b26\uff08File Descriptors\uff09<\/strong>\uff1aRedis \u4f7f\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26\u4f86\u8868\u793a\u6bcf\u500b\u9023\u63a5\uff0c\u4e26\u901a\u904e\u7cfb\u7d71\u8abf\u7528\u4f86\u76e3\u63a7\u9019\u4e9b\u63cf\u8ff0\u7b26\u7684\u72c0\u614b\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e7%9a%84%e4%ba%8b%e4%bb%b6%e8%99%95%e7%90%86%e6%b5%81%e7%a8%8b-xQDWGsWsQi\">Redis \u7684\u4e8b\u4ef6\u8655\u7406\u6d41\u7a0b<\/h2>\n<p>Redis \u7684\u4e8b\u4ef6\u8655\u7406\u6d41\u7a0b\u53ef\u4ee5\u7c21\u55ae\u6982\u62ec\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u7576\u5ba2\u6236\u7aef\u767c\u9001\u8acb\u6c42\u6642\uff0cRedis \u7684\u4e8b\u4ef6\u5faa\u74b0\u6703\u6aa2\u6e2c\u5230\u65b0\u7684\u9023\u63a5\u3002<\/li>\n<li>\u4e8b\u4ef6\u5faa\u74b0\u5c07\u8acb\u6c42\u52a0\u5165\u5230\u5f85\u8655\u7406\u7684\u4e8b\u4ef6\u968a\u5217\u4e2d\u3002<\/li>\n<li>\u7576 Redis \u6e96\u5099\u597d\u8655\u7406\u8acb\u6c42\u6642\uff0c\u5b83\u6703\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u8acb\u6c42\u4e26\u57f7\u884c\u76f8\u61c9\u7684\u64cd\u4f5c\u3002<\/li>\n<li>\u64cd\u4f5c\u5b8c\u6210\u5f8c\uff0cRedis \u5c07\u7d50\u679c\u8fd4\u56de\u7d66\u5ba2\u6236\u7aef\u3002<\/li>\n<\/ol>\n<h2 id=\"redis-%e7%9a%84%e6%80%a7%e8%83%bd%e5%84%aa%e5%8b%a2-xQDWGsWsQi\">Redis \u7684\u6027\u80fd\u512a\u52e2<\/h2>\n<p>\u7531\u65bc Redis \u63a1\u7528\u4e86\u975e\u963b\u585e IO \u6a21\u578b\uff0c\u5176\u6027\u80fd\u512a\u52e2\u4e3b\u8981\u9ad4\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u4e26\u767c\u8655\u7406\u80fd\u529b<\/strong>\uff1aRedis \u80fd\u5920\u540c\u6642\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u4e2d\u8868\u73fe\u51fa\u8272\u3002<\/li>\n<li><strong>\u4f4e\u5ef6\u9072<\/strong>\uff1a\u975e\u963b\u585e IO \u6e1b\u5c11\u4e86\u8acb\u6c42\u7684\u7b49\u5f85\u6642\u9593\uff0c\u5f9e\u800c\u964d\u4f4e\u4e86\u6574\u9ad4\u7684\u5ef6\u9072\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u5229\u7528\u7387\u9ad8<\/strong>\uff1a\u901a\u904e\u55ae\u7dda\u7a0b\u8655\u7406\u591a\u500b\u8acb\u6c42\uff0cRedis \u80fd\u5920\u6709\u6548\u5229\u7528 CPU \u548c\u5167\u5b58\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-xQDWGsWsQi\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u8a31\u591a\u77e5\u540d\u4f01\u696d\u548c\u958b\u6e90\u9805\u76ee\u90fd\u5728\u5176\u67b6\u69cb\u4e2d\u4f7f\u7528\u4e86 Redis\u3002\u4f8b\u5982\uff0cGitHub \u4f7f\u7528 Redis \u4f86\u8655\u7406\u5176\u6d88\u606f\u968a\u5217\uff0c\u800c Twitter \u5247\u5229\u7528 Redis \u4f86\u5b58\u5132\u7528\u6236\u6703\u8a71\u4fe1\u606f\u3002\u9019\u4e9b\u6848\u4f8b\u5145\u5206\u5c55\u793a\u4e86 Redis \u5728\u9ad8\u6027\u80fd\u975e\u963b\u585e IO \u65b9\u9762\u7684\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-xQDWGsWsQi\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u9ad8\u6027\u80fd\u975e\u963b\u585e IO \u6a21\u578b\u4f7f\u5176\u6210\u70ba\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u7d44\u4ef6\u3002\u901a\u904e\u4e8b\u4ef6\u9a45\u52d5\u548c\u591a\u8def\u5fa9\u7528\u6280\u8853\uff0cRedis \u80fd\u5920\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u548c\u4f4e\u5ef6\u9072\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\uff0cRedis \u7121\u7591\u662f\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5be6\u73fe\u7684\u9ad8\u6027\u80fd\u975e\u963b\u585eIO\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u5feb\u901f\u97ff\u61c9\u548c\u9ad8\u4e26\u767c\u6027\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-128349","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128349","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=128349"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128349\/revisions"}],"predecessor-version":[{"id":128350,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128349\/revisions\/128350"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}