{"id":174977,"date":"2024-11-08T01:21:18","date_gmt":"2024-11-07T17:21:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174977\/"},"modified":"2024-11-08T01:21:19","modified_gmt":"2024-11-07T17:21:19","slug":"%e5%a6%82%e4%bd%95%e8%ae%93redis%e7%b7%a9%e5%ad%98%e6%95%88%e7%8e%87%e6%9c%80%e5%a4%a7%e5%8c%96%ef%bc%88%e5%a6%82%e4%bd%95%e8%ae%93redis%e7%b7%a9%e5%ad%98%e5%a4%b1%e6%95%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174977\/","title":{"rendered":"\u5982\u4f55\u8b93Redis\u7de9\u5b58\u6548\u7387\u6700\u5927\u5316\uff08\u5982\u4f55\u8b93redis\u7de9\u5b58\u5931\u6548\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%ae%93redis%e7%b7%a9%e5%ad%98%e6%95%88%e7%8e%87%e6%9c%80%e5%a4%a7%e5%8c%96%ef%bc%88%e5%a6%82%e4%bd%95%e8%ae%93redis%e7%b7%a9%e5%ad%98%e5%a4%b1%e6%95%88%ef%bc%89-GxaJKAwJif\">\u5982\u4f55\u8b93Redis\u7de9\u5b58\u6548\u7387\u6700\u5927\u5316\uff08\u5982\u4f55\u8b93Redis\u7de9\u5b58\u5931\u6548\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6578\u64da\u5eab\u548c\u6d88\u606f\u4ee3\u7406\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u8a31\u591a\u958b\u767c\u8005\u9078\u64c7\u4f7f\u7528Redis\u4f86\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u53ef\u64f4\u5c55\u6027\u3002\u7136\u800c\uff0c\u70ba\u4e86\u8b93Redis\u7684\u7de9\u5b58\u6548\u7387\u9054\u5230\u6700\u5927\u5316\uff0c\u4e86\u89e3\u5982\u4f55\u7ba1\u7406\u7de9\u5b58\u5931\u6548\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u6709\u6548\u7684\u7b56\u7565\u4f86\u512a\u5316Redis\u7de9\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3%e7%b7%a9%e5%ad%98%e5%a4%b1%e6%95%88%e7%9a%84%e6%a6%82%e5%bf%b5-GxaJKAwJif\">1. \u7406\u89e3\u7de9\u5b58\u5931\u6548\u7684\u6982\u5ff5<\/h2>\n<p>\u7de9\u5b58\u5931\u6548\u662f\u6307\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u5728\u4e00\u5b9a\u689d\u4ef6\u4e0b\u88ab\u6a19\u8a18\u70ba\u7121\u6548\uff0c\u9019\u6a23\u7cfb\u7d71\u5c31\u9700\u8981\u91cd\u65b0\u5f9e\u6578\u64da\u6e90\u4e2d\u7372\u53d6\u6578\u64da\u3002\u9019\u4e00\u904e\u7a0b\u5c0d\u65bc\u4fdd\u6301\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u7de9\u5b58\u5931\u6548\u7b56\u7565\uff0c\u5305\u62ec\u6642\u9593\u5931\u6548\uff08TTL\uff09\u548c\u4e3b\u52d5\u5931\u6548\u7b49\u3002<\/p>\n<h2 id=\"2-%e8%a8%ad%e5%ae%9a%e5%90%88%e7%90%86%e7%9a%84ttl%ef%bc%88time-to-live%ef%bc%89-GxaJKAwJif\">2. \u8a2d\u5b9a\u5408\u7406\u7684TTL\uff08Time to Live\uff09<\/h2>\n<p>TTL\u662f\u6307\u6578\u64da\u5728\u7de9\u5b58\u4e2d\u5b58\u6d3b\u7684\u6642\u9593\u3002\u8a2d\u5b9a\u5408\u7406\u7684TTL\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u7de9\u5b58\u7684\u66f4\u65b0\u983b\u7387\uff0c\u907f\u514d\u904e\u671f\u6578\u64da\u7684\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u8a2d\u5b9aTTL\u7684\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u6839\u64da\u6578\u64da\u7279\u6027\u8a2d\u5b9aTTL\uff1a<\/strong>\u5c0d\u65bc\u7d93\u5e38\u8b8a\u52d5\u7684\u6578\u64da\uff0c\u61c9\u8a72\u8a2d\u5b9a\u8f03\u77ed\u7684TTL\uff1b\u800c\u5c0d\u65bc\u76f8\u5c0d\u7a69\u5b9a\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u8a2d\u5b9a\u8f03\u9577\u7684TTL\u3002<\/li>\n<li><strong>\u4f7f\u7528\u81ea\u52d5\u904e\u671f\u529f\u80fd\uff1a<\/strong>Redis\u652f\u6301\u81ea\u52d5\u904e\u671f\u529f\u80fd\uff0c\u7576\u6578\u64da\u8d85\u904eTTL\u6642\uff0c\u81ea\u52d5\u5f9e\u7de9\u5b58\u4e2d\u522a\u9664\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u624b\u52d5\u7ba1\u7406\u7684\u8ca0\u64d4\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e4%b8%bb%e5%8b%95%e5%a4%b1%e6%95%88%e7%ad%96%e7%95%a5-GxaJKAwJif\">3. \u4e3b\u52d5\u5931\u6548\u7b56\u7565<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528TTL\uff0cRedis\u9084\u652f\u6301\u4e3b\u52d5\u5931\u6548\u7b56\u7565\u3002\u9019\u7a2e\u7b56\u7565\u5141\u8a31\u958b\u767c\u8005\u5728\u6578\u64da\u66f4\u65b0\u6642\u4e3b\u52d5\u522a\u9664\u7de9\u5b58\u4e2d\u7684\u820a\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7528\u6236\u7372\u53d6\u5230\u6700\u65b0\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5be6\u73fe\u4e3b\u52d5\u5931\u6548\u7684\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u8a02\u95b1\/\u767c\u5e03\u6a21\u5f0f\uff1a<\/strong>\u7576\u6578\u64da\u66f4\u65b0\u6642\uff0c\u53ef\u4ee5\u901a\u904eRedis\u7684\u8a02\u95b1\/\u767c\u5e03\u529f\u80fd\u901a\u77e5\u6240\u6709\u76f8\u95dc\u7684\u7de9\u5b58\u5be6\u4f8b\uff0c\u4e3b\u52d5\u522a\u9664\u904e\u671f\u7684\u7de9\u5b58\u3002<\/li>\n<li><strong>\u61c9\u7528\u5c64\u908f\u8f2f\uff1a<\/strong>\u5728\u61c9\u7528\u5c64\u4e2d\uff0c\u7576\u6578\u64da\u88ab\u4fee\u6539\u6642\uff0c\u7acb\u5373\u522a\u9664\u76f8\u61c9\u7684\u7de9\u5b58\u9375\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7528\u6236\u7372\u53d6\u5230\u6700\u65b0\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8lru%ef%bc%88least-recently-used%ef%bc%89%e7%ae%97%e6%b3%95-GxaJKAwJif\">4. \u4f7f\u7528LRU\uff08Least Recently Used\uff09\u7b97\u6cd5<\/h2>\n<p>Redis\u652f\u6301\u591a\u7a2e\u7de9\u5b58\u6dd8\u6c70\u7b56\u7565\uff0c\u5176\u4e2dLRU\u7b97\u6cd5\u662f\u6700\u5e38\u7528\u7684\u4e00\u7a2e\u3002LRU\u7b97\u6cd5\u6703\u81ea\u52d5\u522a\u9664\u6700\u4e45\u672a\u88ab\u4f7f\u7528\u7684\u6578\u64da\uff0c\u4ee5\u9a30\u51fa\u7a7a\u9593\u7d66\u65b0\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u7de9\u5b58\u7684\u5927\u5c0f\uff0c\u907f\u514d\u56e0\u70ba\u7de9\u5b58\u6ea2\u51fa\u800c\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<pre><code>\n# \u8a2d\u5b9aRedis\u7684\u6700\u5927\u5167\u5b58\u9650\u5236\nCONFIG SET maxmemory 256mb\n# \u8a2d\u5b9a\u6dd8\u6c70\u7b56\u7565\u70baLRU\nCONFIG SET maxmemory-policy allkeys-lru\n<\/code><\/pre>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4%e7%b7%a9%e5%ad%98%e7%ad%96%e7%95%a5-GxaJKAwJif\">5. \u76e3\u63a7\u548c\u8abf\u6574\u7de9\u5b58\u7b56\u7565<\/h2>\n<p>\u6301\u7e8c\u76e3\u63a7Redis\u7684\u6027\u80fd\u6307\u6a19\u662f\u512a\u5316\u7de9\u5b58\u7b56\u7565\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u5206\u6790\u7de9\u5b58\u547d\u4e2d\u7387\u3001\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u7b49\u6307\u6a19\uff0c\u53ef\u4ee5\u53ca\u6642\u8abf\u6574\u7de9\u5b58\u7b56\u7565\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u6027\u80fd\u3002\u4f7f\u7528Redis\u7684\u5167\u5efa\u547d\u4ee4\u5982<code>INFO<\/code>\u53ef\u4ee5\u7372\u53d6\u8a73\u7d30\u7684\u6027\u80fd\u6578\u64da\u3002<\/p>\n<pre><code>\n# \u7372\u53d6Redis\u7684\u6027\u80fd\u4fe1\u606f\nINFO\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GxaJKAwJif\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u5408\u7406\u8a2d\u5b9aTTL\u3001\u5be6\u65bd\u4e3b\u52d5\u5931\u6548\u7b56\u7565\u3001\u4f7f\u7528LRU\u7b97\u6cd5\u4ee5\u53ca\u6301\u7e8c\u76e3\u63a7\u6027\u80fd\u6307\u6a19\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u5347Redis\u7de9\u5b58\u7684\u6548\u7387\u3002\u9019\u4e9b\u7b56\u7565\u4e0d\u50c5\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\uff0c\u9084\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6027\u80fd\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u63d0\u4f9b\u4e86\u7406\u60f3\u7684\u74b0\u5883\u4f86\u904b\u884cRedis\uff0c\u5e6b\u52a9\u4f01\u696d\u5be6\u73fe\u66f4\u9ad8\u7684\u696d\u52d9\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u6700\u5927\u5316Redis\u7de9\u5b58\u6548\u7387\uff0c\u4e86\u89e3\u7de9\u5b58\u5931\u6548\u7b56\u7565\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u6578\u64da\u5b58\u53d6\u901f\u5ea6\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-174977","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174977","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=174977"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174977\/revisions"}],"predecessor-version":[{"id":174978,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174977\/revisions\/174978"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}