{"id":152993,"date":"2024-11-02T03:44:20","date_gmt":"2024-11-01T19:44:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152993\/"},"modified":"2024-11-02T03:44:21","modified_gmt":"2024-11-01T19:44:21","slug":"%e5%a4%84%e7%90%86%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-redis-%e7%b7%a9%e5%ad%98%ef%bc%8c%e8%a7%a3%e6%b1%ba%e9%81%8e%e5%a4%a7%e5%95%8f%e9%a1%8c%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e9%81%8e%e5%a4%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152993\/","title":{"rendered":"\u5904\u7406\u5982\u4f55\u512a\u5316 Redis \u7de9\u5b58\uff0c\u89e3\u6c7a\u904e\u5927\u554f\u984c\uff08Redis \u7de9\u5b58\u904e\u5927\u600e\u9ebc\uff09"},"content":{"rendered":"<h1 id=\"%e8%99%95%e7%90%86%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-redis-%e7%b7%a9%e5%ad%98%ef%bc%8c%e8%a7%a3%e6%b1%ba%e9%81%8e%e5%a4%a7%e5%95%8f%e9%a1%8c-ZPPoJIwFaO\">\u8655\u7406\u5982\u4f55\u512a\u5316 Redis \u7de9\u5b58\uff0c\u89e3\u6c7a\u904e\u5927\u554f\u984c<\/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\u6578\u64da\u5b58\u5132\u548c\u52a0\u901f\u6578\u64da\u8a2a\u554f\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u7684\u589e\u9577\uff0cRedis \u7de9\u5b58\u7684\u5927\u5c0f\u53ef\u80fd\u6703\u8fc5\u901f\u81a8\u8139\uff0c\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u548c\u8cc7\u6e90\u6d6a\u8cbb\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u512a\u5316 Redis \u7de9\u5b58\uff0c\u4ee5\u89e3\u6c7a\u904e\u5927\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc-redis-%e7%b7%a9%e5%ad%98%e6%9c%83%e9%81%8e%e5%a4%a7%ef%bc%9f-ZPPoJIwFaO\">\u70ba\u4ec0\u9ebc Redis \u7de9\u5b58\u6703\u904e\u5927\uff1f<\/h2>\n<p>Redis \u7de9\u5b58\u904e\u5927\u7684\u539f\u56e0\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u500b\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u904e\u671f\u7b56\u7565\u4e0d\u7576\uff1a<\/strong>\u5982\u679c\u6c92\u6709\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff0c\u820a\u6578\u64da\u5c07\u6301\u7e8c\u4f54\u7528\u7de9\u5b58\u7a7a\u9593\u3002<\/li>\n<li><strong>\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u7de9\u5b58\uff1a<\/strong>\u67d0\u4e9b\u6578\u64da\u53ef\u80fd\u4e0d\u9700\u8981\u9577\u671f\u7de9\u5b58\uff0c\u537b\u4ecd\u7136\u88ab\u5b58\u5132\u5728 Redis \u4e2d\u3002<\/li>\n<li><strong>\u9ad8\u983b\u7387\u7684\u5beb\u5165\u64cd\u4f5c\uff1a<\/strong>\u983b\u7e41\u7684\u5beb\u5165\u64cd\u4f5c\u53ef\u80fd\u5c0e\u81f4\u5927\u91cf\u6578\u64da\u88ab\u5beb\u5165\u7de9\u5b58\uff0c\u5f9e\u800c\u589e\u52a0\u4e86\u7de9\u5b58\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96-redis-%e7%b7%a9%e5%ad%98%e7%9a%84%e7%ad%96%e7%95%a5-ZPPoJIwFaO\">\u512a\u5316 Redis \u7de9\u5b58\u7684\u7b56\u7565<\/h2>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e5%90%88%e7%90%86%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-ZPPoJIwFaO\">1. \u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u820a\u6578\u64da\u4f54\u7528\u7de9\u5b58\u7a7a\u9593\uff0c\u61c9\u8a72\u70ba\u6bcf\u500b\u7de9\u5b58\u7684\u9375\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPIRE mykey 3600  # \u8a2d\u7f6e mykey \u5728\u4e00\u5c0f\u6642\u5f8c\u904e\u671f<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-lru-%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-ZPPoJIwFaO\">2. \u4f7f\u7528 LRU \u9a45\u9010\u7b56\u7565<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u9a45\u9010\u7b56\u7565\uff0c\u5176\u4e2d LRU\uff08Least Recently Used\uff09\u7b56\u7565\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u7de9\u5b58\u5927\u5c0f\u3002\u7576\u7de9\u5b58\u9054\u5230\u6700\u5927\u9650\u5236\u6642\uff0cRedis \u5c07\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002\u53ef\u4ee5\u901a\u904e\u914d\u7f6e <code>maxmemory-policy<\/code> \u4f86\u555f\u7528 LRU \u7b56\u7565\uff1a<\/p>\n<pre><code>maxmemory-policy allkeys-lru<\/code><\/pre>\n<h3 id=\"3-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e6%95%b8%e6%93%9a-ZPPoJIwFaO\">3. \u5b9a\u671f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u7de9\u5b58\u6578\u64da\u662f\u4fdd\u6301 Redis \u7de9\u5b58\u5065\u5eb7\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u53ef\u4ee5\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u4f86\u904d\u6b77\u6240\u6709\u9375\uff0c\u4e26\u6839\u64da\u696d\u52d9\u908f\u8f2f\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002<\/p>\n<pre><code>SCAN 0 MATCH myprefix:* COUNT 1000<\/code><\/pre>\n<h3 id=\"4-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-ZPPoJIwFaO\">4. \u512a\u5316\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u7de9\u5b58\u7684\u5927\u5c0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>HASH<\/code> \u7d50\u69cb\u4f86\u5b58\u5132\u591a\u500b\u5c6c\u6027\uff0c\u800c\u4e0d\u662f\u70ba\u6bcf\u500b\u5c6c\u6027\u5275\u5efa\u55ae\u7368\u7684\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u9375\u7684\u6578\u91cf\uff0c\u5f9e\u800c\u7bc0\u7701\u5167\u5b58\u3002<\/p>\n<pre><code>HSET user:1000 name \"Alice\" age 30<\/code><\/pre>\n<h3 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e7%b7%a9%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-ZPPoJIwFaO\">5. \u76e3\u63a7\u548c\u5206\u6790\u7de9\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h3>\n<p>\u4f7f\u7528 Redis \u63d0\u4f9b\u7684\u76e3\u63a7\u5de5\u5177\uff08\u5982 <code>INFO<\/code> \u547d\u4ee4\uff09\u4f86\u5206\u6790\u7de9\u5b58\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e86\u89e3\u54ea\u4e9b\u9375\u4f54\u7528\u4e86\u6700\u591a\u7684\u5167\u5b58\uff0c\u4e26\u6839\u64da\u9019\u4e9b\u6578\u64da\u9032\u884c\u512a\u5316\u3002<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZPPoJIwFaO\">\u7d50\u8ad6<\/h2>\n<p>\u512a\u5316 Redis \u7de9\u5b58\u4ee5\u89e3\u6c7a\u904e\u5927\u554f\u984c\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\u3002\u901a\u904e\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528 LRU \u9a45\u9010\u7b56\u7565\u3001\u5b9a\u671f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3001\u512a\u5316\u6578\u64da\u7d50\u69cb\u4ee5\u53ca\u76e3\u63a7\u7de9\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 Redis \u7de9\u5b58\u7684\u5927\u5c0f\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\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\u4f86\u904b\u884c\u60a8\u7684 Redis \u5be6\u4f8b\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u60a8\u90fd\u53ef\u4ee5\u5728\u6211\u5011\u7684\u7db2\u7ad9\u4e0a\u627e\u5230\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u7684Redis\u7de9\u5b58\u512a\u5316\u7b56\u7565\uff0c\u89e3\u6c7a\u7de9\u5b58\u904e\u5927\u554f\u984c\uff0c\u63d0\u5347\u6027\u80fd\u8207\u8cc7\u6e90\u5229\u7528\u7387\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-152993","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152993","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=152993"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152993\/revisions"}],"predecessor-version":[{"id":152994,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152993\/revisions\/152994"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}