{"id":98076,"date":"2024-10-20T23:34:19","date_gmt":"2024-10-20T15:34:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98076\/"},"modified":"2024-10-20T23:34:19","modified_gmt":"2024-10-20T15:34:19","slug":"redis-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%a4%a7%e5%b0%8f%e4%b8%80%e7%a8%ae%e6%96%b0%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98076\/","title":{"rendered":"Redis \u67e5\u770b\u6578\u64da\u5927\u5c0f\u4e00\u7a2e\u65b0\u65b9\u5f0f"},"content":{"rendered":"<h1 id=\"redis-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%a4%a7%e5%b0%8f%e4%b8%80%e7%a8%ae%e6%96%b0%e6%96%b9%e5%bc%8f-vZbyguyefm\">Redis \u67e5\u770b\u6578\u64da\u5927\u5c0f\u4e00\u7a2e\u65b0\u65b9\u5f0f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u4e86\u89e3 Redis \u4e2d\u6578\u64da\u7684\u5927\u5c0f\u5c0d\u65bc\u6027\u80fd\u512a\u5316\u548c\u8cc7\u6e90\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u7a2e\u65b0\u7684\u65b9\u6cd5\u4f86\u67e5\u770b Redis \u4e2d\u6578\u64da\u7684\u5927\u5c0f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u548c\u512a\u5316\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%a4%a7%e5%b0%8f-vZbyguyefm\">\u70ba\u4ec0\u9ebc\u9700\u8981\u67e5\u770b\u6578\u64da\u5927\u5c0f<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u4e86\u89e3\u6578\u64da\u7684\u5927\u5c0f\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002\u4f8b\u5982\uff0c\u7576 Redis \u7684\u5167\u5b58\u4f7f\u7528\u63a5\u8fd1\u4e0a\u9650\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u8003\u616e\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u6216\u8abf\u6574\u5167\u5b58\u914d\u7f6e\u3002\u6b64\u5916\uff0c\u6578\u64da\u5927\u5c0f\u7684\u8b8a\u5316\u4e5f\u53ef\u80fd\u5f71\u97ff\u61c9\u7528\u7684\u6027\u80fd\uff0c\u56e0\u6b64\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5927\u5c0f\u662f\u5fc5\u8981\u7684\u3002<\/p>\n<h2 id=\"%e5%82%b3%e7%b5%b1%e6%96%b9%e6%b3%95%e7%9a%84%e5%b1%80%e9%99%90%e6%80%a7-vZbyguyefm\">\u50b3\u7d71\u65b9\u6cd5\u7684\u5c40\u9650\u6027<\/h2>\n<p>\u50b3\u7d71\u4e0a\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 <code>MEMORY USAGE<\/code> \u547d\u4ee4\u4f86\u67e5\u770b\u7279\u5b9a\u9375\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u9019\u500b\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>MEMORY USAGE key<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u9019\u7a2e\u65b9\u6cd5\u53ea\u80fd\u67e5\u770b\u55ae\u500b\u9375\u7684\u5927\u5c0f\uff0c\u5c0d\u65bc\u9700\u8981\u6aa2\u67e5\u5927\u91cf\u9375\u7684\u60c5\u6cc1\uff0c\u6548\u7387\u8f03\u4f4e\u3002\u6b64\u5916\uff0c\u5c0d\u65bc\u8907\u96dc\u6578\u64da\u7d50\u69cb\uff08\u5982\u54c8\u5e0c\u3001\u5217\u8868\u548c\u96c6\u5408\uff09\uff0c\u8a08\u7b97\u6574\u9ad4\u5927\u5c0f\u53ef\u80fd\u6703\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\u3002<\/p>\n<h2 id=\"%e6%96%b0%e6%96%b9%e6%b3%95%ef%bc%9a%e4%bd%bf%e7%94%a8-redis-%e7%9a%84-lua-%e8%85%b3%e6%9c%ac-vZbyguyefm\">\u65b0\u65b9\u6cd5\uff1a\u4f7f\u7528 Redis \u7684 Lua \u8173\u672c<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e0a\u8ff0\u554f\u984c\uff0c\u6211\u5011\u53ef\u4ee5\u5229\u7528 Redis \u7684 Lua \u8173\u672c\u529f\u80fd\u4f86\u6279\u91cf\u8a08\u7b97\u591a\u500b\u9375\u7684\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u8173\u672c\uff0c\u8a72\u8173\u672c\u53ef\u4ee5\u8a08\u7b97\u6307\u5b9a\u6a21\u5f0f\u4e0b\u6240\u6709\u9375\u7684\u7e3d\u5927\u5c0f\uff1a<\/p>\n<pre><code>\nlocal total_size = 0\nfor _, key in ipairs(redis.call('KEYS', ARGV[1])) do\n    total_size = total_size + redis.call('MEMORY', 'USAGE', key)\nend\nreturn total_size\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u8173\u672c\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u6240\u6709\u7b26\u5408\u6307\u5b9a\u6a21\u5f0f\u7684\u9375\uff0c\u7136\u5f8c\u5c0d\u6bcf\u500b\u9375\u4f7f\u7528 <code>MEMORY USAGE<\/code> \u547d\u4ee4\u4f86\u7d2f\u52a0\u5176\u5927\u5c0f\u3002\u4f7f\u7528\u9019\u7a2e\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u7372\u5f97\u4e00\u7d44\u9375\u7684\u7e3d\u5927\u5c0f\uff0c\u5f9e\u800c\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%8b%e8%a1%8c-lua-%e8%85%b3%e6%9c%ac-vZbyguyefm\">\u5982\u4f55\u904b\u884c Lua \u8173\u672c<\/h2>\n<p>\u8981\u904b\u884c\u4e0a\u8ff0 Lua \u8173\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 <code>EVAL<\/code> \u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 Redis \u5ba2\u6236\u7aef\u4e2d\u57f7\u884c\u9019\u500b\u8173\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nEVAL \"local total_size = 0 for _, key in ipairs(redis.call('KEYS', ARGV[1])) do total_size = total_size + redis.call('MEMORY', 'USAGE', key) end return total_size\" 0 \"your_key_pattern*\"\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>your_key_pattern*<\/code> \u662f\u60a8\u5e0c\u671b\u8a08\u7b97\u5927\u5c0f\u7684\u9375\u7684\u6a21\u5f0f\u3002\u57f7\u884c\u5f8c\uff0cRedis \u5c07\u8fd4\u56de\u7b26\u5408\u8a72\u6a21\u5f0f\u7684\u6240\u6709\u9375\u7684\u7e3d\u5927\u5c0f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-vZbyguyefm\">\u7d50\u8ad6<\/h2>\n<p>\u4e86\u89e3 Redis \u4e2d\u6578\u64da\u7684\u5927\u5c0f\u5c0d\u65bc\u6027\u80fd\u512a\u5316\u548c\u8cc7\u6e90\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528 Lua \u8173\u672c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u8a08\u7b97\u591a\u500b\u9375\u7684\u5927\u5c0f\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\u3002\u9019\u7a2e\u65b0\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6548\u7387\uff0c\u9084\u7c21\u5316\u4e86\u64cd\u4f5c\u6d41\u7a0b\uff0c\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 Redis \u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u512a\u5316\u60a8\u7684\u670d\u52d9\u5668\u8cc7\u6e90\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u67e5\u770b\u6578\u64da\u5927\u5c0f\u7684\u65b0\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u6027\u80fd\u512a\u5316\u904e\u7a0b\uff0c\u52a9\u529b\u958b\u767c\u8005\u66f4\u597d\u5730\u638c\u63e1\u6578\u64da\u72c0\u614b\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-98076","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98076","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=98076"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98076\/revisions"}],"predecessor-version":[{"id":98077,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98076\/revisions\/98077"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}