{"id":181542,"date":"2024-11-09T17:55:18","date_gmt":"2024-11-09T09:55:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181542\/"},"modified":"2024-11-09T17:55:19","modified_gmt":"2024-11-09T09:55:19","slug":"%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%baredis%e6%ba%90%e7%a2%bc%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%ef%bc%88redis%e6%ba%90%e7%a2%bc%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181542\/","title":{"rendered":"\u6df1\u5165\u6dfa\u51faRedis\u6e90\u78bc\u5be6\u73fe\u539f\u7406\uff08redis\u6e90\u78bc\u5be6\u73fe\u539f\u7406\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%baredis%e6%ba%90%e7%a2%bc%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-QGMwrIUcjk\">\u6df1\u5165\u6dfa\u51faRedis\u6e90\u78bc\u5be6\u73fe\u539f\u7406<\/h1>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u5176\u6e90\u78bc\u7684\u8a2d\u8a08\u7406\u5ff5\u548c\u5be6\u73fe\u539f\u7406\u5c0d\u65bc\u7406\u89e3\u5176\u9ad8\u6548\u6027\u548c\u7a69\u5b9a\u6027\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u6e90\u78bc\u5be6\u73fe\u539f\u7406\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u5f37\u5927\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%9e%b6%e6%a7%8b-QGMwrIUcjk\">Redis\u7684\u57fa\u672c\u67b6\u69cb<\/h2>\n<p>Redis\u7684\u67b6\u69cb\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u5ba2\u6236\u7aef\uff1a<\/strong>\u7528\u6236\u901a\u904e\u5ba2\u6236\u7aef\u8207Redis\u670d\u52d9\u5668\u9032\u884c\u4ea4\u4e92\uff0c\u652f\u6301\u591a\u7a2e\u8a9e\u8a00\u7684\u5ba2\u6236\u7aef\u5eab\u3002<\/li>\n<li><strong>\u670d\u52d9\u5668\uff1a<\/strong>Redis\u670d\u52d9\u5668\u8ca0\u8cac\u8655\u7406\u5ba2\u6236\u7aef\u8acb\u6c42\uff0c\u57f7\u884c\u76f8\u61c9\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6578\u64da\u5b58\u5132\uff1a<\/strong>Redis\u4f7f\u7528\u5167\u5b58\u4f5c\u70ba\u6578\u64da\u5b58\u5132\uff0c\u4e26\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>Redis\u63d0\u4f9bRDB\u548cAOF\u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u670d\u52d9\u5668\u5d29\u6f70\u800c\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-QGMwrIUcjk\">Redis\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u6bcf\u7a2e\u7d50\u69cb\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5be6\u73fe\u65b9\u5f0f\u548c\u4f7f\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u4e32\uff08String\uff09\uff1a<\/strong>\u6700\u57fa\u672c\u7684\u6578\u64da\u985e\u578b\uff0c\u53ef\u4ee5\u5b58\u5132\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\uff0c\u5982\u6587\u672c\u3001\u6578\u5b57\u7b49\u3002<\/li>\n<li><strong>\u54c8\u5e0c\uff08Hash\uff09\uff1a<\/strong>\u7528\u65bc\u5b58\u5132\u5c0d\u8c61\uff0c\u9375\u503c\u5c0d\u7684\u96c6\u5408\uff0c\u9069\u5408\u5b58\u5132\u7d50\u69cb\u5316\u6578\u64da\u3002<\/li>\n<li><strong>\u5217\u8868\uff08List\uff09\uff1a<\/strong>\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u5f9e\u5169\u7aef\u63d2\u5165\u548c\u522a\u9664\u5143\u7d20\u3002<\/li>\n<li><strong>\u96c6\u5408\uff08Set\uff09\uff1a<\/strong>\u7121\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u96c6\u5408\u904b\u7b97\uff0c\u5982\u4ea4\u96c6\u3001\u4e26\u96c6\u7b49\u3002<\/li>\n<li><strong>\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\uff1a<\/strong>\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5206\u6578\uff0c\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e7%9a%84%e6%ba%90%e7%a2%bc%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-QGMwrIUcjk\">Redis\u7684\u6e90\u78bc\u5be6\u73fe\u539f\u7406<\/h2>\n<p>Redis\u7684\u6e90\u78bc\u4e3b\u8981\u4f7f\u7528C\u8a9e\u8a00\u7de8\u5beb\uff0c\u9019\u4f7f\u5f97\u5176\u5728\u6027\u80fd\u4e0a\u5177\u6709\u512a\u52e2\u3002\u4ee5\u4e0b\u662fRedis\u6e90\u78bc\u7684\u4e00\u4e9b\u95dc\u9375\u5be6\u73fe\u539f\u7406\uff1a<\/p>\n<h3 id=\"%e4%ba%8b%e4%bb%b6%e9%a9%85%e5%8b%95%e6%a8%a1%e5%9e%8b-QGMwrIUcjk\">\u4e8b\u4ef6\u9a45\u52d5\u6a21\u578b<\/h3>\n<p>Redis\u4f7f\u7528\u4e8b\u4ef6\u9a45\u52d5\u6a21\u578b\u4f86\u8655\u7406\u5ba2\u6236\u7aef\u8acb\u6c42\u3002\u9019\u610f\u5473\u8457Redis\u5728\u8655\u7406\u8acb\u6c42\u6642\u4e0d\u6703\u963b\u585e\uff0c\u800c\u662f\u901a\u904e\u4e8b\u4ef6\u5faa\u74b0\u4f86\u7ba1\u7406\u591a\u500b\u8acb\u6c42\u3002\u9019\u4e00\u6a21\u578b\u7684\u6838\u5fc3\u662f\u4f7f\u7528epoll\u6216select\u7cfb\u7d71\u8abf\u7528\u4f86\u76e3\u63a7\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u8b8a\u5316\uff0c\u5f9e\u800c\u5be6\u73fe\u9ad8\u6548\u7684IO\u64cd\u4f5c\u3002<\/p>\n<pre><code>\nvoid aeMain(void) {\n    while (1) {\n        \/\/ \u7b49\u5f85\u4e8b\u4ef6\u767c\u751f\n        int numEvents = aeWait(...);\n        for (int j = 0; j &lt; numEvents; j++) {\n            \/\/ \u8655\u7406\u4e8b\u4ef6\n            aeProcessEvent(...);\n        }\n    }\n}\n<\/code><\/pre>\n<h3 id=\"%e6%95%b8%e6%93%9a%e6%8c%81%e4%b9%85%e5%8c%96-QGMwrIUcjk\">\u6578\u64da\u6301\u4e45\u5316<\/h3>\n<p>Redis\u63d0\u4f9b\u5169\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff1aRDB\u548cAOF\u3002RDB\u662f\u901a\u904e\u5feb\u7167\u7684\u65b9\u5f0f\u5b9a\u671f\u4fdd\u5b58\u6578\u64da\uff0c\u800cAOF\u5247\u662f\u5c07\u6bcf\u6b21\u5beb\u64cd\u4f5c\u8a18\u9304\u5230\u65e5\u8a8c\u6587\u4ef6\u4e2d\u3002\u9019\u5169\u7a2e\u65b9\u5f0f\u5404\u6709\u512a\u7f3a\u9ede\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6301\u4e45\u5316\u7b56\u7565\u3002<\/p>\n<h3 id=\"%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86-QGMwrIUcjk\">\u5167\u5b58\u7ba1\u7406<\/h3>\n<p>Redis\u4f7f\u7528\u81ea\u5b9a\u7fa9\u7684\u5167\u5b58\u5206\u914d\u5668\u4f86\u7ba1\u7406\u5167\u5b58\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u788e\u7247\u4e26\u63d0\u9ad8\u6027\u80fd\u3002Redis\u7684\u5167\u5b58\u7ba1\u7406\u7b56\u7565\u5305\u62ec\u4f7f\u7528jemalloc\u6216libc\u7684malloc\uff0c\u4e26\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QGMwrIUcjk\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684\u6e90\u78bc\u5be6\u73fe\u539f\u7406\u9ad4\u73fe\u4e86\u9ad8\u6548\u6027\u548c\u7a69\u5b9a\u6027\u7684\u8a2d\u8a08\u7406\u5ff5\u3002\u901a\u904e\u4e8b\u4ef6\u9a45\u52d5\u6a21\u578b\u3001\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u548c\u9ad8\u6548\u7684\u5167\u5b58\u7ba1\u7406\uff0cRedis\u80fd\u5920\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u5e0c\u671b\u6df1\u5165\u4e86\u89e3Redis\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u7814\u7a76\u5176\u6e90\u78bc\u5c07\u662f\u975e\u5e38\u6709\u50f9\u503c\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u6e90\u78bc\u7684\u5be6\u73fe\u539f\u7406\uff0c\u6df1\u5165\u6dfa\u51fa\u89e3\u6790\u5176\u6838\u5fc3\u67b6\u69cb\u8207\u904b\u4f5c\u6a5f\u5236\uff0c\u52a9\u4f60\u5168\u9762\u7406\u89e3Redis\u7684\u9ad8\u6548\u80fd\u80cc\u5f8c\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-181542","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181542","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=181542"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181542\/revisions"}],"predecessor-version":[{"id":181543,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181542\/revisions\/181543"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}