{"id":166809,"date":"2024-11-05T19:44:19","date_gmt":"2024-11-05T11:44:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166809\/"},"modified":"2024-11-05T19:44:20","modified_gmt":"2024-11-05T11:44:20","slug":"%e4%ba%86%e8%a7%a3redis-%e7%b7%a9%e5%ad%98%e7%9a%84%e6%b8%85%e7%90%86%e6%96%b9%e6%b3%95%ef%bc%88redis%e7%b7%a9%e5%ad%98%e9%9c%80%e8%a6%81%e6%b8%85%e7%90%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166809\/","title":{"rendered":"\u4e86\u89e3Redis \u7de9\u5b58\u7684\u6e05\u7406\u65b9\u6cd5\uff08redis\u7de9\u5b58\u9700\u8981\u6e05\u7406\uff09"},"content":{"rendered":"<h1 id=\"%e4%ba%86%e8%a7%a3redis%e7%b7%a9%e5%ad%98%e7%9a%84%e6%b8%85%e7%90%86%e6%96%b9%e6%b3%95%ef%bc%88redis%e7%b7%a9%e5%ad%98%e9%9c%80%e8%a6%81%e6%b8%85%e7%90%86%ef%bc%89-BnUcIFxPpK\">\u4e86\u89e3Redis\u7de9\u5b58\u7684\u6e05\u7406\u65b9\u6cd5\uff08Redis\u7de9\u5b58\u9700\u8981\u6e05\u7406\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u5347\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u548c\u6e1b\u5c11\u6578\u64da\u5eab\u8ca0\u64d4\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\uff0c\u56e0\u6b64\u5b9a\u671f\u6e05\u7406\u7de9\u5b58\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u7de9\u5b58\u7684\u6e05\u7406\u65b9\u6cd5\u53ca\u5176\u5fc5\u8981\u6027\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%90%86redis%e7%b7%a9%e5%ad%98%ef%bc%9f-BnUcIFxPpK\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406Redis\u7de9\u5b58\uff1f<\/h2>\n<p>\u6e05\u7406Redis\u7de9\u5b58\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u91cb\u653e\u5167\u5b58\uff1a<\/strong>\u96a8\u8457\u7de9\u5b58\u6578\u64da\u7684\u589e\u9577\uff0cRedis\u7684\u5167\u5b58\u4f7f\u7528\u91cf\u4e5f\u6703\u589e\u52a0\u3002\u5b9a\u671f\u6e05\u7406\u53ef\u4ee5\u91cb\u653e\u4e0d\u518d\u9700\u8981\u7684\u5167\u5b58\uff0c\u78ba\u4fdd\u7cfb\u7d71\u904b\u884c\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u904e\u591a\u7684\u7de9\u5b58\u6578\u64da\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u8b8a\u5316\uff0c\u67d0\u4e9b\u7de9\u5b58\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u6e96\u78ba\u3002\u6e05\u7406\u904e\u6642\u7684\u7de9\u5b58\u6578\u64da\u6709\u52a9\u65bc\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e7%b7%a9%e5%ad%98%e7%9a%84%e6%b8%85%e7%90%86%e6%96%b9%e6%b3%95-BnUcIFxPpK\">Redis\u7de9\u5b58\u7684\u6e05\u7406\u65b9\u6cd5<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u6e05\u7406\u7de9\u5b58\u7684\u65b9\u5f0f\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%b8%bb%e5%8b%95%e6%b8%85%e7%90%86%ef%bc%88explicit-deletion%ef%bc%89-BnUcIFxPpK\">1. \u4e3b\u52d5\u6e05\u7406\uff08Explicit Deletion\uff09<\/h3>\n<p>\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u547d\u4ee4\u624b\u52d5\u522a\u9664\u7279\u5b9a\u7684\u7de9\u5b58\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u522a\u9664\u67d0\u500b\u9375\uff1a<\/p>\n<pre><code>DEL key_name<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u9069\u5408\u65bc\u9700\u8981\u7cbe\u78ba\u63a7\u5236\u7de9\u5b58\u5167\u5bb9\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"2-%e8%87%aa%e5%8b%95%e9%81%8e%e6%9c%9f%ef%bc%88expiration%ef%bc%89-BnUcIFxPpK\">2. \u81ea\u52d5\u904e\u671f\uff08Expiration\uff09<\/h3>\n<p>Redis\u5141\u8a31\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE key_name seconds<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u5728\u4e00\u5b9a\u6642\u9593\u5f8c\u81ea\u52d5\u6e05\u7406\uff0c\u6e1b\u5c11\u624b\u52d5\u7ba1\u7406\u7684\u8ca0\u64d4\u3002<\/p>\n<h3 id=\"3-lru%ef%bc%88least-recently-used%ef%bc%89%e7%ae%97%e6%b3%95-BnUcIFxPpK\">3. LRU\uff08Least Recently Used\uff09\u7b97\u6cd5<\/h3>\n<p>Redis\u652f\u6301LRU\u7b97\u6cd5\u4f86\u81ea\u52d5\u6e05\u7406\u4e0d\u5e38\u7528\u7684\u7de9\u5b58\u6578\u64da\u3002\u7576Redis\u7684\u5167\u5b58\u9054\u5230\u9650\u5236\u6642\uff0c\u6703\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002\u9019\u53ef\u4ee5\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u4ee5\u4e0b\u53c3\u6578\u4f86\u555f\u7528\uff1a<\/p>\n<pre><code>maxmemory-policy allkeys-lru<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5728\u5167\u5b58\u4f7f\u7528\u9054\u5230\u4e0a\u9650\u6642\uff0c\u81ea\u52d5\u91cb\u653e\u4e0d\u5fc5\u8981\u7684\u7de9\u5b58\u3002<\/p>\n<h3 id=\"4-rdb%e5%92%8caof%e6%8c%81%e4%b9%85%e5%8c%96%e6%b8%85%e7%90%86-BnUcIFxPpK\">4. RDB\u548cAOF\u6301\u4e45\u5316\u6e05\u7406<\/h3>\n<p>Redis\u652f\u6301RDB\uff08\u5feb\u7167\uff09\u548cAOF\uff08\u8ffd\u52a0\u6587\u4ef6\uff09\u6301\u4e45\u5316\u6a5f\u5236\u3002\u5728\u9032\u884c\u6301\u4e45\u5316\u6642\uff0c\u820a\u7684\u5feb\u7167\u6216\u8ffd\u52a0\u6587\u4ef6\u53ef\u80fd\u6703\u4f54\u7528\u5927\u91cf\u7a7a\u9593\uff0c\u56e0\u6b64\u5b9a\u671f\u6e05\u7406\u9019\u4e9b\u6587\u4ef6\u4e5f\u662f\u5fc5\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u6e05\u7406\uff1a<\/p>\n<pre><code>FLUSHDB<\/code><\/pre>\n<p>\u9019\u5c07\u6e05\u7a7a\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-BnUcIFxPpK\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7de9\u5b58\u7684\u6e05\u7406\u662f\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u548c\u6578\u64da\u4e00\u81f4\u6027\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4e3b\u52d5\u6e05\u7406\u3001\u81ea\u52d5\u904e\u671f\u3001LRU\u7b97\u6cd5\u4ee5\u53ca\u6301\u4e45\u5316\u6587\u4ef6\u7684\u7ba1\u7406\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u7de9\u5b58\u6578\u64da\uff0c\u63d0\u5347\u61c9\u7528\u7684\u6574\u9ad4\u6027\u80fd\u3002\u5c0d\u65bc\u4f7f\u7528Redis\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3\u9019\u4e9b\u6e05\u7406\u65b9\u6cd5\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684\u61c9\u7528\u548c\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Redis\u7de9\u5b58\u7684\u6e05\u7406\u65b9\u6cd5\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u6700\u4f73\u5316\uff0c\u907f\u514d\u904e\u671f\u6578\u64da\u5f71\u97ff\u61c9\u7528\u904b\u884c\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-166809","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166809","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=166809"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166809\/revisions"}],"predecessor-version":[{"id":166810,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166809\/revisions\/166810"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}