{"id":194711,"date":"2024-11-13T08:56:18","date_gmt":"2024-11-13T00:56:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194711\/"},"modified":"2024-11-13T08:56:19","modified_gmt":"2024-11-13T00:56:19","slug":"%e8%a6%8f%e6%a8%a1%e8%ae%93%e4%bd%a0%e9%a9%9a%e6%ad%8e%ef%bc%8credis%e6%8b%93%e5%b1%95%e6%96%b0%e9%82%8a%e7%95%8c%ef%bc%88redis%e8%a8%ad%e7%bd%aesize%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194711\/","title":{"rendered":"\u898f\u6a21\u8b93\u4f60\u9a5a\u6b4e\uff0cRedis\u62d3\u5c55\u65b0\u908a\u754c\uff08redis\u8a2d\u7f6esize\uff09"},"content":{"rendered":"<h1 id=\"%e8%a6%8f%e6%a8%a1%e8%ae%93%e4%bd%a0%e9%a9%9a%e6%ad%8e%ef%bc%8credis%e6%8b%93%e5%b1%95%e6%96%b0%e9%82%8a%e7%95%8c%ef%bc%88redis%e8%a8%ad%e7%bd%aesize%ef%bc%89-GqizfZXnLR\">\u898f\u6a21\u8b93\u4f60\u9a5a\u6b4e\uff0cRedis\u62d3\u5c55\u65b0\u908a\u754c\uff08redis\u8a2d\u7f6esize\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u6210\u70ba\u4e86\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u3002Redis\uff0c\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u7684\u64f4\u5c55\u6027\uff0c\u7279\u5225\u662f\u5982\u4f55\u8a2d\u7f6e\u5176\u5927\u5c0f\u4ee5\u6eff\u8db3\u4e0d\u540c\u61c9\u7528\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-GqizfZXnLR\">Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u5b83\u7684\u9ad8\u6027\u80fd\u4e3b\u8981\u5f97\u76ca\u65bc\u5176\u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u4e26\u4e14\u652f\u6301\u6301\u4e45\u5316\u529f\u80fd\uff0c\u80fd\u5920\u5c07\u6578\u64da\u4fdd\u5b58\u5230\u78c1\u789f\u4e2d\u4ee5\u9632\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e6%93%b4%e5%b1%95%e6%80%a7-GqizfZXnLR\">Redis\u7684\u64f4\u5c55\u6027<\/h2>\n<p>Redis\u7684\u64f4\u5c55\u6027\u4e3b\u8981\u9ad4\u73fe\u5728\u5176\u80fd\u5920\u8655\u7406\u5927\u91cf\u7684\u6578\u64da\u548c\u9ad8\u4e26\u767c\u7684\u8acb\u6c42\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0cRedis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u64f4\u5c55\u5176\u5bb9\u91cf\u548c\u6027\u80fd\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u7247\uff08Sharding\uff09<\/strong>\uff1a\u901a\u904e\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500bRedis\u5be6\u4f8b\u4e2d\uff0cRedis\u53ef\u4ee5\u6709\u6548\u5730\u64f4\u5c55\u5176\u5b58\u5132\u5bb9\u91cf\u548c\u8655\u7406\u80fd\u529b\u3002<\/li>\n<li><strong>\u96c6\u7fa4\u6a21\u5f0f\uff08Cluster Mode\uff09<\/strong>\uff1aRedis\u96c6\u7fa4\u5141\u8a31\u7528\u6236\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u81ea\u52d5\u5206\u914d\u6578\u64da\uff0c\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u53ef\u7528\u6027\uff0c\u9084\u80fd\u5920\u5728\u7bc0\u9ede\u6545\u969c\u6642\u81ea\u52d5\u9032\u884c\u6545\u969c\u8f49\u79fb\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805<\/strong>\uff1aRedis\u652f\u6301RDB\u5feb\u7167\u548cAOF\uff08Append Only File\uff09\u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u9019\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6301\u4e45\u5316\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e8%a8%ad%e7%bd%ae%e5%a4%a7%e5%b0%8f%e7%9a%84%e8%80%83%e9%87%8f-GqizfZXnLR\">Redis\u8a2d\u7f6e\u5927\u5c0f\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u6642\uff0c\u8a2d\u7f6e\u5408\u9069\u7684\u5927\u5c0f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8a2d\u7f6eRedis\u5927\u5c0f\u6642\u9700\u8981\u8003\u616e\u7684\u56e0\u7d20\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-GqizfZXnLR\">1. \u6578\u64da\u985e\u578b<\/h3>\n<p>\u4e0d\u540c\u7684\u6578\u64da\u985e\u578b\u4f54\u7528\u7684\u5167\u5b58\u5927\u5c0f\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u5b57\u7b26\u4e32\u985e\u578b\u7684\u6578\u64da\u76f8\u5c0d\u7c21\u55ae\uff0c\u800c\u54c8\u5e0c\u985e\u578b\u5247\u53ef\u80fd\u56e0\u70ba\u5176\u5167\u90e8\u7d50\u69cb\u800c\u4f54\u7528\u66f4\u591a\u5167\u5b58\u3002\u56e0\u6b64\uff0c\u5728\u8a2d\u8a08\u6578\u64da\u7d50\u69cb\u6642\uff0c\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u3002<\/p>\n<h3 id=\"2-%e9%a0%90%e4%bc%b0%e6%95%b8%e6%93%9a%e9%87%8f-GqizfZXnLR\">2. \u9810\u4f30\u6578\u64da\u91cf<\/h3>\n<p>\u5728\u8a2d\u7f6eRedis\u7684\u5927\u5c0f\u6642\uff0c\u9810\u4f30\u672a\u4f86\u7684\u6578\u64da\u91cf\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u901a\u904e\u5206\u6790\u6b77\u53f2\u6578\u64da\u4f86\u9810\u6e2c\u672a\u4f86\u7684\u589e\u9577\u8da8\u52e2\uff0c\u5f9e\u800c\u5408\u7406\u914d\u7f6e\u5167\u5b58\u3002<\/p>\n<h3 id=\"3-%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e7%ad%96%e7%95%a5-GqizfZXnLR\">3. \u5167\u5b58\u7ba1\u7406\u7b56\u7565<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u5982LRU\uff08Least Recently Used\uff09\u548cLFU\uff08Least Frequently Used\uff09\uff0c\u7528\u6236\u53ef\u4ee5\u6839\u64da\u61c9\u7528\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u7b56\u7565\u4f86\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e9%85%8d%e7%bd%ae%e7%a4%ba%e4%be%8b-GqizfZXnLR\">Redis\u7684\u914d\u7f6e\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Redis\u914d\u7f6e\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u9650\u5236\uff1a<\/p>\n<pre><code>\n# \u5728redis.conf\u4e2d\u8a2d\u7f6e\u6700\u5927\u5167\u5b58\nmaxmemory 2gb\n# \u8a2d\u7f6e\u5167\u5b58\u9054\u5230\u9650\u5236\u5f8c\u7684\u884c\u70ba\nmaxmemory-policy allkeys-lru\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07Redis\u7684\u6700\u5927\u5167\u5b58\u8a2d\u7f6e\u70ba2GB\uff0c\u4e26\u9078\u64c7\u4e86LRU\u7b56\u7565\u4f86\u7ba1\u7406\u5167\u5b58\u3002\u9019\u610f\u5473\u8457\u7576\u5167\u5b58\u4f7f\u7528\u9054\u52302GB\u6642\uff0cRedis\u5c07\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u4ee5\u91cb\u653e\u5167\u5b58\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-GqizfZXnLR\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5176\u64f4\u5c55\u6027\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6eRedis\u7684\u5927\u5c0f\u548c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u767c\u63eeRedis\u7684\u6027\u80fd\uff0c\u6eff\u8db3\u4e0d\u65b7\u589e\u9577\u7684\u6578\u64da\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u53d6\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684VPS\u6216\u96f2\u670d\u52d9\u5668\u4f86\u904b\u884cRedis\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3Redis\u7684\u7279\u6027\u548c\u914d\u7f6e\u9078\u9805\uff0c\u5c07\u6709\u52a9\u65bc\u4f01\u696d\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u53d6\u5f97\u66f4\u5927\u7684\u6210\u529f\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684\u898f\u6a21\u8207\u6027\u80fd\uff0c\u5b78\u7fd2\u5982\u4f55\u8a2d\u7f6esize\u4ee5\u62d3\u5c55\u5176\u908a\u754c\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u61c9\u7528\u6f5b\u529b\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-194711","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194711","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=194711"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194711\/revisions"}],"predecessor-version":[{"id":194712,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194711\/revisions\/194712"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194711"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194711"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}