{"id":152547,"date":"2024-11-02T00:01:20","date_gmt":"2024-11-01T16:01:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152547\/"},"modified":"2024-11-02T00:01:21","modified_gmt":"2024-11-01T16:01:21","slug":"%e6%9f%a5%e7%9c%8b-redis-%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81%ef%bc%8c%e8%aa%bf%e6%95%b4%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6%ef%bc%88%e6%9f%a5%e7%9c%8b-redis-%e5%85%a7%e5%ad%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152547\/","title":{"rendered":"\u67e5\u770b Redis \u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u8abf\u6574\u5167\u5b58\u9650\u5236\uff08\u67e5\u770b Redis \u5167\u5b58\u9650\u5236\uff09"},"content":{"rendered":"<h1 id=\"%e6%9f%a5%e7%9c%8b-redis-%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81%ef%bc%8c%e8%aa%bf%e6%95%b4%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-ODBHXyUXRv\">\u67e5\u770b Redis \u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u8abf\u6574\u5167\u5b58\u9650\u5236<\/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\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u5728\u5167\u5b58\u4e2d\u904b\u884c\u7684\u7279\u6027\uff0c\u4e86\u89e3 Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u53ca\u5982\u4f55\u8abf\u6574\u5167\u5b58\u9650\u5236\u5c0d\u65bc\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u67e5\u770b Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u4ee5\u53ca\u5982\u4f55\u8abf\u6574\u5176\u5167\u5b58\u9650\u5236\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8b-redis-%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-ODBHXyUXRv\">\u67e5\u770b Redis \u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u8981\u67e5\u770b Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u63d0\u4f9b\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\u6700\u5e38\u7528\u7684\u547d\u4ee4\u662f <code>INFO<\/code>\uff0c\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u986f\u793a Redis \u4f3a\u670d\u5668\u7684\u5404\u7a2e\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n<pre><code>redis-cli INFO memory<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u5f8c\uff0c\u60a8\u5c07\u770b\u5230\u985e\u4f3c\u4ee5\u4e0b\u7684\u8f38\u51fa\uff1a<\/p>\n<pre><code>\n# Memory\nused_memory:104857600\nused_memory_human:100.00M\nused_memory_rss:120000000\nused_memory_peak:110000000\nused_memory_peak_human:105.00M\ntotal_system_memory:2048000000\ntotal_system_memory_human:1.91G\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u8f38\u51fa\u4e2d\uff0c<code>used_memory<\/code> \u8868\u793a Redis \u7576\u524d\u4f7f\u7528\u7684\u5167\u5b58\u91cf\uff0c\u800c <code>total_system_memory<\/code> \u5247\u986f\u793a\u7cfb\u7d71\u7684\u7e3d\u5167\u5b58\u3002\u9019\u4e9b\u6578\u64da\u53ef\u4ee5\u5e6b\u52a9\u60a8\u8a55\u4f30 Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u78ba\u5b9a\u662f\u5426\u9700\u8981\u8abf\u6574\u5167\u5b58\u9650\u5236\u3002<\/p>\n<h2 id=\"%e8%aa%bf%e6%95%b4-redis-%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-ODBHXyUXRv\">\u8abf\u6574 Redis \u5167\u5b58\u9650\u5236<\/h2>\n<p>Redis \u7684\u5167\u5b58\u9650\u5236\u53ef\u4ee5\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u9032\u884c\u8abf\u6574\u3002\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc <code>\/etc\/redis\/redis.conf<\/code>\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u6253\u958b\u8a72\u6587\u4ef6\uff0c\u4e26\u67e5\u627e\u4ee5\u4e0b\u914d\u7f6e\u9805\uff1a<\/p>\n<pre><code>\n# maxmemory \n<\/code><\/pre>\n<p>\u53d6\u6d88\u8a3b\u91cb\u4e26\u8a2d\u7f6e <code>maxmemory<\/code> \u7684\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>\nmaxmemory 256mb\n<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0cRedis \u5c07\u9650\u5236\u5176\u4f7f\u7528\u7684\u6700\u5927\u5167\u5b58\u70ba 256MB\u3002\u60a8\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u9019\u500b\u503c\u3002<\/p>\n<h3 id=\"%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0%e7%ad%96%e7%95%a5-ODBHXyUXRv\">\u5167\u5b58\u6dd8\u6c70\u7b56\u7565<\/h3>\n<p>\u7576 Redis \u7684\u5167\u5b58\u4f7f\u7528\u9054\u5230\u8a2d\u5b9a\u7684\u9650\u5236\u6642\uff0c\u60a8\u9700\u8981\u9078\u64c7\u4e00\u7a2e\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u3002\u9019\u53ef\u4ee5\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 <code>maxmemory-policy<\/code> \u4f86\u8a2d\u7f6e\u3002\u5e38\u898b\u7684\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>noeviction<\/code>\uff1a\u4e0d\u9a45\u9010\u4efb\u4f55\u9375\uff0c\u7576\u5167\u5b58\u9054\u5230\u9650\u5236\u6642\uff0c\u5beb\u5165\u64cd\u4f5c\u5c07\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li><code>allkeys-lru<\/code>\uff1a\u9a45\u9010\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/li>\n<li><code>volatile-lru<\/code>\uff1a\u50c5\u9a45\u9010\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u4f7f\u7528 LRU \u7b56\u7565\uff0c\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\uff1a<\/p>\n<pre><code>\nmaxmemory-policy allkeys-lru\n<\/code><\/pre>\n<h2 id=\"%e7%9b%a3%e6%8e%a7-redis-%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-ODBHXyUXRv\">\u76e3\u63a7 Redis \u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528 <code>INFO<\/code> \u547d\u4ee4\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u4f7f\u7528 <code>MONITOR<\/code> \u547d\u4ee4\u4f86\u5be6\u6642\u76e3\u63a7 Redis \u7684\u64cd\u4f5c\uff0c\u9019\u5c0d\u65bc\u5206\u6790\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n<pre><code>redis-cli MONITOR<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u6240\u6709\u9032\u5165 Redis \u7684\u547d\u4ee4\uff0c\u5e6b\u52a9\u60a8\u4e86\u89e3\u54ea\u4e9b\u64cd\u4f5c\u53ef\u80fd\u5c0e\u81f4\u5167\u5b58\u4f7f\u7528\u589e\u52a0\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ODBHXyUXRv\">\u7d50\u8ad6<\/h2>\n<p>\u4e86\u89e3\u548c\u7ba1\u7406 Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u5c0d\u65bc\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528 <code>INFO<\/code> \u547d\u4ee4\u67e5\u770b\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u6839\u64da\u9700\u8981\u8abf\u6574\u5167\u5b58\u9650\u5236\u548c\u6dd8\u6c70\u7b56\u7565\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u512a\u5316 Redis \u7684\u6027\u80fd\u3002\u9019\u4e9b\u64cd\u4f5c\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u78ba\u4fdd\u8cc7\u6e90\u7684\u5408\u7406\u5229\u7528\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4e0a\u90e8\u7f72\u548c\u7ba1\u7406 Redis\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u67e5\u770b Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u53ca\u8abf\u6574\u5167\u5b58\u9650\u5236\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u8207\u8cc7\u6e90\u7684\u6700\u4f73\u914d\u7f6e\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-152547","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152547","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=152547"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152547\/revisions"}],"predecessor-version":[{"id":152548,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152547\/revisions\/152548"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}