{"id":180330,"date":"2024-11-09T09:20:46","date_gmt":"2024-11-09T01:20:46","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180330\/"},"modified":"2024-11-09T09:20:47","modified_gmt":"2024-11-09T01:20:47","slug":"%e8%a8%ad%e5%ae%9aredis-k%e5%80%bc%e6%9c%80%e5%a4%a7%e9%95%b7%e5%ba%a6%e7%9a%84%e6%8a%80%e5%b7%a7%ef%bc%88redis%e8%a8%ad%e5%ae%9ak%e6%9c%80%e5%a4%a7%e9%95%b7%e5%ba%a6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180330\/","title":{"rendered":"\u8a2d\u5b9aRedis K\u503c\u6700\u5927\u9577\u5ea6\u7684\u6280\u5de7\uff08redis\u8a2d\u5b9ak\u6700\u5927\u9577\u5ea6\uff09"},"content":{"rendered":"<h1 id=\"%e8%a8%ad%e5%ae%9aredis-k%e5%80%bc%e6%9c%80%e5%a4%a7%e9%95%b7%e5%ba%a6%e7%9a%84%e6%8a%80%e5%b7%a7%ef%bc%88redis%e8%a8%ad%e5%ae%9ak%e6%9c%80%e5%a4%a7%e9%95%b7%e5%ba%a6%ef%bc%89-SfxEWbfgDD\">\u8a2d\u5b9aRedis K\u503c\u6700\u5927\u9577\u5ea6\u7684\u6280\u5de7\uff08redis\u8a2d\u5b9ak\u6700\u5927\u9577\u5ea6\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u7576\u4f7f\u7528Redis\u6642\uff0c\u5408\u7406\u8a2d\u5b9a\u9375\uff08Key\uff09\u7684\u6700\u5927\u9577\u5ea6\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6027\u80fd\uff0c\u9084\u80fd\u907f\u514d\u6f5b\u5728\u7684\u932f\u8aa4\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8a2d\u5b9aRedis K\u503c\u7684\u6700\u5927\u9577\u5ea6\uff0c\u4ee5\u53ca\u76f8\u95dc\u7684\u6280\u5de7\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e8%a8%ad%e5%ae%9ak%e5%80%bc%e7%9a%84%e6%9c%80%e5%a4%a7%e9%95%b7%e5%ba%a6-SfxEWbfgDD\">\u70ba\u4ec0\u9ebc\u9700\u8981\u8a2d\u5b9aK\u503c\u7684\u6700\u5927\u9577\u5ea6<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u9375\u7684\u9577\u5ea6\u6703\u5f71\u97ff\u5230\u5167\u5b58\u7684\u4f7f\u7528\u548c\u67e5\u8a62\u7684\u6548\u7387\u3002\u904e\u9577\u7684\u9375\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u5b58\u6d6a\u8cbb\uff1a<\/strong>\u6bcf\u500b\u9375\u90fd\u9700\u8981\u4f54\u7528\u4e00\u5b9a\u7684\u5167\u5b58\uff0c\u904e\u9577\u7684\u9375\u6703\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u5167\u5b58\u6d88\u8017\u3002<\/li>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u67e5\u8a62\u548c\u64cd\u4f5c\u904e\u9577\u7684\u9375\u6703\u589e\u52a0CPU\u7684\u8ca0\u64d4\uff0c\u5f9e\u800c\u5f71\u97ff\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u932f\u8aa4\u98a8\u96aa\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u904e\u9577\u7684\u9375\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u932f\u8aa4\u6216\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e5%ae%9ak%e5%80%bc%e7%9a%84%e6%9c%80%e5%a4%a7%e9%95%b7%e5%ba%a6-SfxEWbfgDD\">\u5982\u4f55\u8a2d\u5b9aK\u503c\u7684\u6700\u5927\u9577\u5ea6<\/h2>\n<p>Redis\u672c\u8eab\u4e26\u4e0d\u63d0\u4f9b\u76f4\u63a5\u7684\u914d\u7f6e\u9078\u9805\u4f86\u9650\u5236\u9375\u7684\u9577\u5ea6\uff0c\u4f46\u6211\u5011\u53ef\u4ee5\u901a\u904e\u61c9\u7528\u5c64\u7684\u908f\u8f2f\u4f86\u5be6\u73fe\u9019\u4e00\u9ede\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6280\u5de7\uff1a<\/p>\n<h3 id=\"1-%e6%87%89%e7%94%a8%e5%b1%a4%e6%aa%a2%e6%9f%a5-SfxEWbfgDD\">1. \u61c9\u7528\u5c64\u6aa2\u67e5<\/h3>\n<p>\u5728\u5c07\u9375\u5beb\u5165Redis\u4e4b\u524d\uff0c\u53ef\u4ee5\u5728\u61c9\u7528\u5c64\u9032\u884c\u6aa2\u67e5\uff0c\u78ba\u4fdd\u9375\u7684\u9577\u5ea6\u4e0d\u8d85\u904e\u9810\u8a2d\u7684\u6700\u5927\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Python\u7684Redis\u5ba2\u6236\u7aef\u6642\uff0c\u53ef\u4ee5\u9019\u6a23\u5be6\u73fe\uff1a<\/p>\n<pre><code>def set_key(redis_client, key, value, max_length=64):\n    if len(key) &gt; max_length:\n        raise ValueError(f\"\u9375\u9577\u5ea6\u8d85\u904e\u6700\u5927\u9650\u5236\uff1a{max_length} \u5b57\u7b26\")\n    redis_client.set(key, value)\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e4%b8%ad%e9%96%93%e4%bb%b6-SfxEWbfgDD\">2. \u4f7f\u7528\u4e2d\u9593\u4ef6<\/h3>\n<p>\u5982\u679c\u4f60\u7684\u61c9\u7528\u67b6\u69cb\u4e2d\u4f7f\u7528\u4e86\u4e2d\u9593\u4ef6\uff0c\u53ef\u4ee5\u8003\u616e\u5728\u4e2d\u9593\u4ef6\u4e2d\u6dfb\u52a0\u9375\u9577\u5ea6\u6aa2\u67e5\u7684\u908f\u8f2f\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u6240\u6709\u8acb\u6c42\u4e2d\u7d71\u4e00\u7ba1\u7406\u9375\u7684\u9577\u5ea6\u9650\u5236\u3002<\/p>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e5%92%8c%e6%97%a5%e8%aa%8c-SfxEWbfgDD\">3. \u76e3\u63a7\u548c\u65e5\u8a8c<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7Redis\u7684\u9375\u9577\u5ea6\uff0c\u4e26\u8a18\u9304\u8d85\u904e\u6700\u5927\u9577\u5ea6\u7684\u9375\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4f60\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u6240\u6709\u9375\uff0c\u4e26\u6aa2\u67e5\u5176\u9577\u5ea6\uff1a<\/p>\n<pre><code>def monitor_keys(redis_client, max_length=64):\n    for key in redis_client.scan_iter():\n        if len(key) &gt; max_length:\n            print(f\"\u767c\u73fe\u8d85\u9577\u9375\uff1a{key.decode('utf-8')}\uff0c\u9577\u5ea6\uff1a{len(key)}\")\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-SfxEWbfgDD\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u9664\u4e86\u8a2d\u5b9a\u9375\u7684\u6700\u5927\u9577\u5ea6\u5916\uff0c\u9084\u6709\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u5e6b\u52a9\u4f60\u66f4\u6709\u6548\u5730\u4f7f\u7528Redis\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u6709\u610f\u7fa9\u7684\u9375\u540d\uff1a<\/strong>\u9078\u64c7\u7c21\u6f54\u4e14\u6709\u610f\u7fa9\u7684\u9375\u540d\uff0c\u9019\u6a23\u4e0d\u50c5\u80fd\u63d0\u9ad8\u53ef\u8b80\u6027\uff0c\u9084\u80fd\u6e1b\u5c11\u9375\u7684\u9577\u5ea6\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u548c\u522a\u9664\u4e0d\u518d\u4f7f\u7528\u7684\u9375\uff0c\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u3002<\/li>\n<li><strong>\u4f7f\u7528\u547d\u540d\u7a7a\u9593\uff1a<\/strong>\u901a\u904e\u4f7f\u7528\u547d\u540d\u7a7a\u9593\u4f86\u7d44\u7e54\u9375\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u627e\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SfxEWbfgDD\">\u7e3d\u7d50<\/h2>\n<p>\u8a2d\u5b9aRedis K\u503c\u7684\u6700\u5927\u9577\u5ea6\u662f\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u61c9\u7528\u5c64\u6aa2\u67e5\u3001\u4f7f\u7528\u4e2d\u9593\u4ef6\u4ee5\u53ca\u76e3\u63a7\u548c\u65e5\u8a8c\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u9375\u7684\u9577\u5ea6\u3002\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u9078\u64c7\u6709\u610f\u7fa9\u7684\u9375\u540d\u548c\u5b9a\u671f\u6e05\u7406\u6578\u64da\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347Redis\u7684\u4f7f\u7528\u6548\u7387\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\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u8a2d\u5b9aRedis K\u503c\u7684\u6700\u5927\u9577\u5ea6\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u8cc7\u6599\u7ba1\u7406\u7684\u6700\u4f73\u5be6\u8e10\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-180330","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180330","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=180330"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180330\/revisions"}],"predecessor-version":[{"id":180331,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180330\/revisions\/180331"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}