{"id":167373,"date":"2024-11-06T00:38:17","date_gmt":"2024-11-05T16:38:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167373\/"},"modified":"2024-11-06T00:38:18","modified_gmt":"2024-11-05T16:38:18","slug":"%e5%88%a9%e7%94%a8redis%e9%9b%86%e7%be%a4%e5%af%a6%e7%8f%be%e5%bf%ab%e9%80%9f%e9%81%8e%e6%9c%9f%e9%8d%b5%e6%9f%a5%e7%9c%8b%ef%bc%88redis%e9%9b%86%e7%be%a4%e6%9f%a5%e7%9c%8b%e9%81%8e%e6%9c%9f%e9%8d%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167373\/","title":{"rendered":"\u5229\u7528Redis\u96c6\u7fa4\u5be6\u73fe\u5feb\u901f\u904e\u671f\u9375\u67e5\u770b\uff08redis\u96c6\u7fa4\u67e5\u770b\u904e\u671f\u9375\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e9%9b%86%e7%be%a4%e5%af%a6%e7%8f%be%e5%bf%ab%e9%80%9f%e9%81%8e%e6%9c%9f%e9%8d%b5%e6%9f%a5%e7%9c%8b-lmehcACFLF\">\u5229\u7528Redis\u96c6\u7fa4\u5be6\u73fe\u5feb\u901f\u904e\u671f\u9375\u67e5\u770b<\/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\u3002\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\uff0cRedis\u7684\u6027\u80fd\u8868\u73fe\u5c24\u70ba\u7a81\u51fa\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0cRedis\u96c6\u7fa4\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u7136\u800c\uff0c\u5982\u4f55\u5728Redis\u96c6\u7fa4\u4e2d\u5feb\u901f\u67e5\u770b\u904e\u671f\u9375\uff0c\u537b\u662f\u4e00\u500b\u503c\u5f97\u63a2\u8a0e\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e9%81%8e%e6%9c%9f%e9%8d%b5%e6%a9%9f%e5%88%b6-lmehcACFLF\">Redis\u7684\u904e\u671f\u9375\u6a5f\u5236<\/h2>\n<p>Redis\u652f\u6301\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u610f\u5473\u8457\u5728\u6307\u5b9a\u7684\u6642\u9593\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u5c0d\u65bc\u7de9\u5b58\u7cfb\u7d71\u5c24\u70ba\u91cd\u8981\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u5e6b\u52a9\u91cb\u653e\u4e0d\u518d\u9700\u8981\u7684\u8cc7\u6e90\u3002\u904e\u671f\u9375\u7684\u7ba1\u7406\u5c0d\u65bc\u4fdd\u6301\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e6%9e%b6%e6%a7%8b-lmehcACFLF\">Redis\u96c6\u7fa4\u67b6\u69cb<\/h2>\n<p>Redis\u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u67b6\u69cb\uff0c\u5141\u8a31\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\u3002\u9019\u6a23\u7684\u67b6\u69cb\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u589e\u5f37\u4e86\u7cfb\u7d71\u7684\u64f4\u5c55\u6027\u3002\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u6bcf\u500b\u9375\u90fd\u6703\u6839\u64da\u5176\u54c8\u5e0c\u503c\u88ab\u5206\u914d\u5230\u7279\u5b9a\u7684\u7bc0\u9ede\u4e0a\u3002\u9019\u610f\u5473\u8457\uff0c\u7576\u6211\u5011\u9700\u8981\u67e5\u770b\u904e\u671f\u9375\u6642\uff0c\u5fc5\u9808\u8003\u616e\u5230\u6578\u64da\u7684\u5206\u4f48\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e9%81%8e%e6%9c%9f%e9%8d%b5-lmehcACFLF\">\u5982\u4f55\u67e5\u770b\u904e\u671f\u9375<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u67e5\u770b\u904e\u671f\u9375\u7684\u76f4\u63a5\u65b9\u6cd5\u4e26\u4e0d\u591a\u3002\u901a\u5e38\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528SCAN\u547d\u4ee4\uff1a<\/strong>SCAN\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u904d\u6b77\u9375\u7a7a\u9593\uff0c\u4e26\u4e14\u53ef\u4ee5\u914d\u5408MATCH\u9078\u9805\u4f86\u904e\u6ffe\u9375\u540d\u3002\u96d6\u7136SCAN\u547d\u4ee4\u4e0d\u6703\u8fd4\u56de\u904e\u671f\u6642\u9593\uff0c\u4f46\u53ef\u4ee5\u901a\u904e\u5176\u4ed6\u65b9\u5f0f\u4f86\u7372\u53d6\u904e\u671f\u9375\u3002<\/li>\n<li><strong>\u4f7f\u7528TTL\u547d\u4ee4\uff1a<\/strong>\u5c0d\u65bc\u6bcf\u500b\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528TTL\u547d\u4ee4\u4f86\u67e5\u8a62\u5176\u5269\u9918\u7684\u751f\u5b58\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u8b58\u5225\u54ea\u4e9b\u9375\u5373\u5c07\u904e\u671f\u3002<\/li>\n<li><strong>\u4f7f\u7528Redis\u7684\u4e8b\u4ef6\u901a\u77e5\uff1a<\/strong>Redis\u652f\u6301\u9375\u904e\u671f\u4e8b\u4ef6\u901a\u77e5\uff0c\u901a\u904e\u914d\u7f6e\u53ef\u4ee5\u5c07\u904e\u671f\u4e8b\u4ef6\u767c\u9001\u5230\u5ba2\u6236\u7aef\u3002\u9019\u6a23\u53ef\u4ee5\u5be6\u6642\u7372\u53d6\u904e\u671f\u9375\u7684\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-lmehcACFLF\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u6bb5\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528SCAN\u548cTTL\u547d\u4ee4\u4f86\u67e5\u770b\u904e\u671f\u9375\uff1a<\/p>\n<pre><code>\nimport redis\n\n# \u9023\u63a5\u5230Redis\u96c6\u7fa4\nr = redis.StrictRedis(host='localhost', port=6379, decode_responses=True)\n\n# \u904d\u6b77\u6240\u6709\u9375\ncursor = 0\nwhile True:\n    cursor, keys = r.scan(cursor)\n    for key in keys:\n        ttl = r.ttl(key)\n        if ttl &gt; 0:  # \u53ea\u986f\u793a\u6709\u904e\u671f\u6642\u9593\u7684\u9375\n            print(f\"\u9375: {key}, \u5269\u9918\u904e\u671f\u6642\u9593: {ttl}\u79d2\")\n    if cursor == 0:\n        break\n<\/code><\/pre>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-lmehcACFLF\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u983b\u7e41\u5730\u67e5\u8a62\u904e\u671f\u9375\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5efa\u8b70\u5728\u8a2d\u8a08\u7cfb\u7d71\u6642\uff0c\u5408\u7406\u898f\u5283\u904e\u671f\u9375\u7684\u4f7f\u7528\u5834\u666f\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u6279\u91cf\u67e5\u8a62\u7684\u65b9\u5f0f\u4f86\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u7684\u58d3\u529b\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u4e8b\u4ef6\u901a\u77e5\u6a5f\u5236\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u67e5\u8a62\u7684\u983b\u7387\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-lmehcACFLF\">\u7d50\u8ad6<\/h2>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\u67e5\u770b\u904e\u671f\u9375\u662f\u4e00\u500b\u91cd\u8981\u7684\u7ba1\u7406\u4efb\u52d9\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528SCAN\u3001TTL\u547d\u4ee4\u4ee5\u53ca\u4e8b\u4ef6\u901a\u77e5\u6a5f\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u904e\u671f\u9375\u7684\u76e3\u63a7\u548c\u7ba1\u7406\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9019\u4e9b\u6280\u8853\u5c07\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7dad\u8b77\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\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\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u60a8\u7684Redis\u96c6\u7fa4\u548c\u5176\u4ed6\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u96c6\u7fa4\u5feb\u901f\u67e5\u770b\u904e\u671f\u9375\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u9375\u904e\u671f\u76e3\u63a7\u8207\u7ba1\u7406\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-167373","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167373","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=167373"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167373\/revisions"}],"predecessor-version":[{"id":167374,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167373\/revisions\/167374"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}