{"id":163541,"date":"2024-11-05T00:22:19","date_gmt":"2024-11-04T16:22:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163541\/"},"modified":"2024-11-05T00:22:20","modified_gmt":"2024-11-04T16:22:20","slug":"%e8%a7%a3%e6%b1%baredis%e8%80%81%e6%95%b8%e6%93%9a-%e4%b8%80%e7%a8%ae%e6%88%90%e5%8a%9f%e7%9a%84%e6%96%b9%e5%bc%8f%ef%bc%88redis%e8%80%81%e6%95%b8%e6%93%9a%e6%80%8e%e9%ba%bc%e8%99%95%e7%90%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163541\/","title":{"rendered":"\u89e3\u6c7aRedis\u8001\u6578\u64da \u4e00\u7a2e\u6210\u529f\u7684\u65b9\u5f0f\uff08redis\u8001\u6578\u64da\u600e\u9ebc\u8655\u7406\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%baredis%e8%80%81%e6%95%b8%e6%93%9a-%e4%b8%80%e7%a8%ae%e6%88%90%e5%8a%9f%e7%9a%84%e6%96%b9%e5%bc%8f%ef%bc%88redis%e8%80%81%e6%95%b8%e6%93%9a%e6%80%8e%e9%ba%bc%e8%99%95%e7%90%86%ef%bc%89-UwSoaEzcyX\">\u89e3\u6c7aRedis\u8001\u6578\u64da \u4e00\u7a2e\u6210\u529f\u7684\u65b9\u5f0f\uff08redis\u8001\u6578\u64da\u600e\u9ebc\u8655\u7406\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u7684\u8001\u6578\u64da\uff0c\u9019\u4e9b\u6578\u64da\u4e0d\u50c5\u4f54\u7528\u5167\u5b58\u8cc7\u6e90\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u59a5\u5584\u8655\u7406Redis\u4e2d\u7684\u8001\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u9700\u8981\u9762\u5c0d\u7684\u91cd\u8981\u6311\u6230\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e8%80%81%e6%95%b8%e6%93%9a%ef%bc%9f-UwSoaEzcyX\">\u4ec0\u9ebc\u662fRedis\u8001\u6578\u64da\uff1f<\/h2>\n<p>Redis\u8001\u6578\u64da\u901a\u5e38\u6307\u7684\u662f\u5728\u7cfb\u7d71\u4e2d\u5df2\u7d93\u4e0d\u518d\u9700\u8981\u6216\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u3002\u9019\u4e9b\u6578\u64da\u53ef\u80fd\u662f\u904e\u671f\u7684\u7de9\u5b58\u3001\u5df2\u8655\u7406\u7684\u6d88\u606f\u6216\u4e0d\u518d\u7b26\u5408\u696d\u52d9\u908f\u8f2f\u7684\u6578\u64da\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u9019\u4e9b\u8001\u6578\u64da\u6703\u9010\u6f38\u7d2f\u7a4d\uff0c\u5c0e\u81f4\u5167\u5b58\u4f7f\u7528\u7387\u4e0a\u5347\uff0c\u6700\u7d42\u5f71\u97ff\u5230Redis\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e8%99%95%e7%90%86%e8%80%81%e6%95%b8%e6%93%9a%ef%bc%9f-UwSoaEzcyX\">\u70ba\u4ec0\u9ebc\u9700\u8981\u8655\u7406\u8001\u6578\u64da\uff1f<\/h2>\n<ul>\n<li><strong>\u5167\u5b58\u7ba1\u7406\uff1a<\/strong>Redis\u662f\u4e00\u500b\u57fa\u65bc\u5167\u5b58\u7684\u6578\u64da\u5eab\uff0c\u5167\u5b58\u8cc7\u6e90\u6709\u9650\uff0c\u8001\u6578\u64da\u7684\u5b58\u5728\u6703\u4f54\u7528\u5bf6\u8cb4\u7684\u5167\u5b58\u7a7a\u9593\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u904e\u591a\u7684\u8001\u6578\u64da\u6703\u5c0e\u81f4\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\uff0c\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u8001\u6578\u64da\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u5f71\u97ff\u696d\u52d9\u908f\u8f2f\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%99%95%e7%90%86redis%e8%80%81%e6%95%b8%e6%93%9a%e7%9a%84%e7%ad%96%e7%95%a5-UwSoaEzcyX\">\u8655\u7406Redis\u8001\u6578\u64da\u7684\u7b56\u7565<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u6709\u6548\u7684\u8655\u7406Redis\u8001\u6578\u64da\u7684\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-UwSoaEzcyX\">1. \u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u8a2d\u7f6e\u9375\u904e\u671f\u6642\u9593\u7684\u529f\u80fd\uff0c\u901a\u904e\u9019\u500b\u529f\u80fd\uff0c\u53ef\u4ee5\u81ea\u52d5\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u4f7f\u7528\u547d\u4ee4<code>EXPIRE<\/code>\u53ef\u4ee5\u70ba\u7279\u5b9a\u7684\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPIRE mykey 3600<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5728\u4e00\u5c0f\u6642\u5f8c\u81ea\u52d5\u522a\u9664\u9375<code>mykey<\/code>\u3002<\/p>\n<h3 id=\"2-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86-UwSoaEzcyX\">2. \u5b9a\u671f\u6e05\u7406<\/h3>\n<p>\u9664\u4e86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9084\u53ef\u4ee5\u5b9a\u671f\u57f7\u884c\u6e05\u7406\u64cd\u4f5c\u3002\u53ef\u4ee5\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u904d\u6b77\u6240\u6709\u9375\uff0c\u4e26\u6839\u64da\u696d\u52d9\u908f\u8f2f\u5224\u65b7\u54ea\u4e9b\u6578\u64da\u662f\u8001\u6578\u64da\uff0c\u7136\u5f8c\u4f7f\u7528<code>DEL<\/code>\u547d\u4ee4\u522a\u9664\u5b83\u5011\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\nSCAN 0 MATCH old:* COUNT 1000\nDEL old:key1\nDEL old:key2\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8redis%e7%9a%84lru%e7%ae%97%e6%b3%95-UwSoaEzcyX\">3. \u4f7f\u7528Redis\u7684LRU\u7b97\u6cd5<\/h3>\n<p>Redis\u652f\u6301LRU\uff08Least Recently Used\uff09\u7b97\u6cd5\u4f86\u81ea\u52d5\u522a\u9664\u4e0d\u5e38\u7528\u7684\u6578\u64da\u3002\u901a\u904e\u8a2d\u7f6e<code>maxmemory-policy<\/code>\u70ba<code>allkeys-lru<\/code>\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\uff0c\u4ee5\u91cb\u653e\u5167\u5b58\u7a7a\u9593\u3002<\/p>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru<\/code><\/pre>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e5%88%86%e5%8d%80-UwSoaEzcyX\">4. \u6578\u64da\u5206\u5340<\/h3>\n<p>\u5c0d\u65bc\u5927\u578b\u61c9\u7528\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u6578\u64da\u5206\u5340\uff0c\u5c07\u8001\u6578\u64da\u8207\u65b0\u6578\u64da\u5206\u958b\u5b58\u5132\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u8001\u6578\u64da\u5c0d\u65b0\u6578\u64da\u7684\u5f71\u97ff\uff0c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-UwSoaEzcyX\">\u7d50\u8ad6<\/h2>\n<p>\u8655\u7406Redis\u8001\u6578\u64da\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\uff0c\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u5b9a\u671f\u6e05\u7406\u3001\u4f7f\u7528LRU\u7b97\u6cd5\u4ee5\u53ca\u6578\u64da\u5206\u5340\u7b49\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u512a\u5316Redis\u4e2d\u7684\u6578\u64da\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u548c\u9748\u6d3b\u7684\u8cc7\u6e90\u914d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u8655\u7406Redis\u8001\u6578\u64da\u7684\u65b9\u6cd5\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u8207\u53ca\u6642\u6027\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-163541","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163541","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=163541"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163541\/revisions"}],"predecessor-version":[{"id":163542,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163541\/revisions\/163542"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}