{"id":180564,"date":"2024-11-09T11:19:16","date_gmt":"2024-11-09T03:19:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180564\/"},"modified":"2024-11-09T11:19:17","modified_gmt":"2024-11-09T03:19:17","slug":"%e6%b7%b1%e5%85%a5%e5%88%86%e6%9e%90redis%e8%83%8c%e5%be%8c%e7%9a%84%e6%ba%90%e7%a2%bc%ef%bc%88redis%e8%83%8c%e6%99%af%e6%ba%90%e7%a2%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180564\/","title":{"rendered":"\u6df1\u5165\u5206\u6790Redis\u80cc\u5f8c\u7684\u6e90\u78bc\uff08redis\u80cc\u666f\u6e90\u78bc\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e5%88%86%e6%9e%90redis%e8%83%8c%e5%be%8c%e7%9a%84%e6%ba%90%e7%a2%bc%ef%bc%88redis%e8%83%8c%e6%99%af%e6%ba%90%e7%a2%bc%ef%bc%89-hgSlKXstnO\">\u6df1\u5165\u5206\u6790Redis\u80cc\u5f8c\u7684\u6e90\u78bc\uff08redis\u80cc\u666f\u6e90\u78bc\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u5b83\u7684\u9ad8\u6548\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u672c\u6587\u5c07\u6df1\u5165\u5206\u6790Redis\u7684\u6e90\u78bc\uff0c\u63a2\u8a0e\u5176\u8a2d\u8a08\u7406\u5ff5\u3001\u6838\u5fc3\u7d44\u4ef6\u53ca\u5176\u80cc\u5f8c\u7684\u6280\u8853\u5be6\u73fe\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e8%83%8c%e6%99%af-hgSlKXstnO\">Redis\u7684\u80cc\u666f<\/h2>\n<p>Redis\u7531Salvatore Sanfilippo\u65bc2009\u5e74\u5275\u5efa\uff0c\u6700\u521d\u662f\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u7de9\u5b58\u7cfb\u7d71\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis\u9010\u6f38\u6f14\u8b8a\u6210\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u6578\u64da\u7d50\u69cb\u4f3a\u670d\u5668\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002Redis\u7684\u8a2d\u8a08\u76ee\u6a19\u662f\u63d0\u4f9b\u6975\u9ad8\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\uff0c\u4e26\u4e14\u652f\u6301\u6301\u4e45\u5316\u6578\u64da\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e6%a0%b8%e5%bf%83%e7%b5%84%e4%bb%b6-hgSlKXstnO\">Redis\u7684\u6838\u5fc3\u7d44\u4ef6<\/h2>\n<p>Redis\u7684\u6e90\u78bc\u7d50\u69cb\u76f8\u5c0d\u7c21\u55ae\uff0c\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u6838\u5fc3\u7d44\u4ef6\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong id=\"%e4%bc%ba%e6%9c%8d%e5%99%a8%e4%b8%bb%e5%be%aa%e7%92%b0-hgSlKXstnO\">\u4f3a\u670d\u5668\u4e3b\u5faa\u74b0<\/strong>\uff1aRedis\u7684\u4e3b\u5faa\u74b0\u8ca0\u8cac\u8655\u7406\u5ba2\u6236\u7aef\u8acb\u6c42\u3001\u57f7\u884c\u547d\u4ee4\u548c\u7ba1\u7406\u6578\u64da\u5eab\u3002\u9019\u90e8\u5206\u7684\u4ee3\u78bc\u4f4d\u65bc <code>server.c<\/code> \u6587\u4ef6\u4e2d\u3002<\/li>\n<li><strong id=\"%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-hgSlKXstnO\">\u6578\u64da\u7d50\u69cb<\/strong>\uff1aRedis\u4f7f\u7528\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u6578\u64da\uff0c\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u7684\u5be6\u73fe\u4f4d\u65bc <code>dict.c<\/code>\u3001<code>list.c<\/code>\u3001<code>set.c<\/code> \u7b49\u6587\u4ef6\u4e2d\u3002<\/li>\n<li><strong id=\"%e6%8c%81%e4%b9%85%e5%8c%96%e6%a9%9f%e5%88%b6-hgSlKXstnO\">\u6301\u4e45\u5316\u6a5f\u5236<\/strong>\uff1aRedis\u652f\u6301RDB\u548cAOF\u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u9019\u90e8\u5206\u7684\u4ee3\u78bc\u4e3b\u8981\u96c6\u4e2d\u5728 <code>rdb.c<\/code> \u548c <code>aof.c<\/code> \u6587\u4ef6\u4e2d\u3002<\/li>\n<li><strong>\u7db2\u7d61\u901a\u4fe1<\/strong>\uff1aRedis\u4f7f\u7528\u975e\u963b\u585eI\/O\u4f86\u8655\u7406\u5ba2\u6236\u7aef\u7684\u8acb\u6c42\uff0c\u9019\u90e8\u5206\u7684\u4ee3\u78bc\u4f4d\u65bc <code>networking.c<\/code> \u6587\u4ef6\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%ba%90%e7%a2%bc%e5%88%86%e6%9e%90-hgSlKXstnO\">\u6e90\u78bc\u5206\u6790<\/h2>\n<h3 id=\"%e4%bc%ba%e6%9c%8d%e5%99%a8%e4%b8%bb%e5%be%aa%e7%92%b0-hgSlKXstnO\">\u4f3a\u670d\u5668\u4e3b\u5faa\u74b0<\/h3>\n<p>Redis\u7684\u4e3b\u5faa\u74b0\u662f\u5176\u6838\u5fc3\uff0c\u8ca0\u8cac\u63a5\u6536\u548c\u8655\u7406\u5ba2\u6236\u7aef\u8acb\u6c42\u3002\u4e3b\u5faa\u74b0\u7684\u5be6\u73fe\u4f7f\u7528\u4e86\u4e8b\u4ef6\u9a45\u52d5\u6a21\u578b\uff0c\u9019\u4f7f\u5f97Redis\u80fd\u5920\u9ad8\u6548\u5730\u8655\u7406\u5927\u91cf\u4e26\u767c\u8acb\u6c42\u3002\u4ee5\u4e0b\u662f\u4e3b\u5faa\u74b0\u7684\u7c21\u5316\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nwhile(1) {\n    \/\/ \u8655\u7406\u5ba2\u6236\u7aef\u8acb\u6c42\n    processClients();\n    \/\/ \u57f7\u884c\u5b9a\u6642\u4efb\u52d9\n    executeScheduledTasks();\n}\n<\/code><\/pre>\n<h3 id=\"%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-hgSlKXstnO\">\u6578\u64da\u7d50\u69cb<\/h3>\n<p>Redis\u7684\u6578\u64da\u7d50\u69cb\u8a2d\u8a08\u975e\u5e38\u9748\u6d3b\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\u3002\u4ee5\u54c8\u5e0c\u8868\u70ba\u4f8b\uff0cRedis\u4f7f\u7528\u4e86\u4e00\u7a2e\u7a31\u70ba\u300c\u5b57\u5178\u300d\u7684\u6578\u64da\u7d50\u69cb\u4f86\u5be6\u73fe\u54c8\u5e0c\u8868\uff0c\u9019\u4f7f\u5f97\u67e5\u627e\u548c\u63d2\u5165\u64cd\u4f5c\u7684\u6642\u9593\u8907\u96dc\u5ea6\u70baO(1)\u3002\u4ee5\u4e0b\u662f\u5b57\u5178\u7684\u7c21\u5316\u5be6\u73fe\uff1a<\/p>\n<pre><code>\ntypedef struct dict {\n    \/\/ \u54c8\u5e0c\u8868\u7684\u6578\u7d44\n    dictEntry **table;\n    \/\/ \u54c8\u5e0c\u8868\u7684\u5927\u5c0f\n    unsigned long size;\n} dict;\n<\/code><\/pre>\n<h3 id=\"%e6%8c%81%e4%b9%85%e5%8c%96%e6%a9%9f%e5%88%b6-hgSlKXstnO\">\u6301\u4e45\u5316\u6a5f\u5236<\/h3>\n<p>Redis\u7684\u6301\u4e45\u5316\u6a5f\u5236\u662f\u5176\u4e00\u5927\u7279\u9ede\uff0c\u652f\u6301RDB\uff08\u5feb\u7167\uff09\u548cAOF\uff08\u8ffd\u52a0\u6587\u4ef6\uff09\u5169\u7a2e\u65b9\u5f0f\u3002RDB\u901a\u904e\u5b9a\u671f\u4fdd\u5b58\u6578\u64da\u5feb\u7167\u4f86\u5be6\u73fe\u6301\u4e45\u5316\uff0c\u800cAOF\u5247\u662f\u5c07\u6bcf\u500b\u5beb\u64cd\u4f5c\u8ffd\u52a0\u5230\u6587\u4ef6\u4e2d\u3002\u9019\u5169\u7a2e\u65b9\u5f0f\u5404\u6709\u512a\u7f3a\u9ede\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6301\u4e45\u5316\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hgSlKXstnO\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5176\u6e90\u78bc\u8a2d\u8a08\u5145\u5206\u9ad4\u73fe\u4e86\u9ad8\u6548\u6027\u548c\u9748\u6d3b\u6027\u3002\u901a\u904e\u6df1\u5165\u5206\u6790Redis\u7684\u6e90\u78bc\uff0c\u6211\u5011\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5176\u80cc\u5f8c\u7684\u6280\u8853\u5be6\u73fe\u548c\u8a2d\u8a08\u7406\u5ff5\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u5132\u548c\u8655\u7406\u7684\u61c9\u7528\uff0cRedis\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72Redis\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u5206\u6790Redis\u80cc\u5f8c\u7684\u6e90\u78bc\uff0c\u63a2\u7d22\u5176\u67b6\u69cb\u3001\u6578\u64da\u7d50\u69cb\u53ca\u6027\u80fd\u512a\u5316\uff0c\u63ed\u793a\u9ad8\u6548\u80fd\u6578\u64da\u5eab\u7684\u904b\u4f5c\u539f\u7406\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-180564","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180564","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=180564"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180564\/revisions"}],"predecessor-version":[{"id":180565,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180564\/revisions\/180565"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}