{"id":154181,"date":"2024-11-02T13:38:17","date_gmt":"2024-11-02T05:38:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154181\/"},"modified":"2024-11-02T13:38:18","modified_gmt":"2024-11-02T05:38:18","slug":"%e8%aa%bf%e5%ba%a6%e5%b0%b1%e7%b7%92redis%e9%81%8e%e6%9c%9f%e6%b8%85%e7%90%86%e5%a4%9a%e7%b7%9a%e7%a8%8b%e5%84%aa%e5%8c%96%ef%bc%88redis%e9%81%8e%e6%9c%9f-%e5%a4%9a%e7%b7%9a%e7%a8%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154181\/","title":{"rendered":"\u8abf\u5ea6\u5c31\u7dd2Redis\u904e\u671f\u6e05\u7406\u591a\u7dda\u7a0b\u512a\u5316\uff08redis\u904e\u671f \u591a\u7dda\u7a0b\uff09"},"content":{"rendered":"<h1 id=\"%e8%aa%bf%e5%ba%a6%e5%b0%b1%e7%b7%92redis%e9%81%8e%e6%9c%9f%e6%b8%85%e7%90%86%e5%a4%9a%e7%b7%9a%e7%a8%8b%e5%84%aa%e5%8c%96%ef%bc%88redis%e9%81%8e%e6%9c%9f-%e5%a4%9a%e7%b7%9a%e7%a8%8b%ef%bc%89-rzsWwViPpw\">\u8abf\u5ea6\u5c31\u7dd2Redis\u904e\u671f\u6e05\u7406\u591a\u7dda\u7a0b\u512a\u5316\uff08redis\u904e\u671f \u591a\u7dda\u7a0b\uff09<\/h1>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u7684\u61c9\u7528\u4e2d\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0cRedis\u7684\u904e\u671f\u9375\u6e05\u7406\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u6027\u80fd\u8003\u91cf\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u591a\u7dda\u7a0b\u512a\u5316\u4f86\u63d0\u9ad8Redis\u904e\u671f\u6e05\u7406\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e9%81%8e%e6%9c%9f%e9%8d%b5%e7%ae%a1%e7%90%86-rzsWwViPpw\">Redis\u7684\u904e\u671f\u9375\u7ba1\u7406<\/h2>\n<p>Redis\u652f\u6301\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002Redis\u7684\u904e\u671f\u9375\u7ba1\u7406\u4e3b\u8981\u6709\u5169\u7a2e\u65b9\u5f0f\uff1a\u5b9a\u671f\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u522a\u9664\uff1a<\/strong>Redis\u6703\u5728\u6bcf\u9694\u4e00\u6bb5\u6642\u9593\u5167\u96a8\u6a5f\u6aa2\u67e5\u4e00\u90e8\u5206\u9375\uff0c\u522a\u9664\u904e\u671f\u7684\u9375\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u512a\u9ede\u662f\u80fd\u5920\u5747\u52fb\u5730\u5206\u6563\u522a\u9664\u64cd\u4f5c\uff0c\u4f46\u5728\u9ad8\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u60f0\u6027\u522a\u9664\uff1a<\/strong>\u7576\u7528\u6236\u8a2a\u554f\u4e00\u500b\u9375\u6642\uff0cRedis\u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\uff0c\u5982\u679c\u904e\u671f\u5247\u522a\u9664\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u512a\u9ede\u662f\u80fd\u5920\u5373\u6642\u91cb\u653e\u5167\u5b58\uff0c\u4f46\u5982\u679c\u904e\u671f\u9375\u6578\u91cf\u9f90\u5927\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u5927\u91cf\u7684\u6aa2\u67e5\u64cd\u4f5c\uff0c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e5%84%aa%e5%8c%96%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-rzsWwViPpw\">\u591a\u7dda\u7a0b\u512a\u5316\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u55ae\u7dda\u7a0b\u7684\u904e\u671f\u9375\u6e05\u7406\u53ef\u80fd\u6210\u70ba\u6027\u80fd\u74f6\u9838\u3002\u591a\u7dda\u7a0b\u512a\u5316\u53ef\u4ee5\u901a\u904e\u4e26\u884c\u8655\u7406\u4f86\u63d0\u9ad8\u904e\u671f\u9375\u7684\u6e05\u7406\u6548\u7387\u3002\u9019\u6a23\u4e0d\u50c5\u80fd\u5920\u6e1b\u5c11\u55ae\u500b\u7dda\u7a0b\u7684\u8ca0\u64d4\uff0c\u9084\u80fd\u63d0\u9ad8\u6574\u9ad4\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h3 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%b8%85%e7%90%86%e7%9a%84%e5%af%a6%e7%8f%be-rzsWwViPpw\">\u591a\u7dda\u7a0b\u6e05\u7406\u7684\u5be6\u73fe<\/h3>\n<p>\u5728Redis\u4e2d\u5be6\u73fe\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u7684\u57fa\u672c\u601d\u8def\u662f\u5c07\u904e\u671f\u9375\u7684\u6aa2\u67e5\u548c\u522a\u9664\u64cd\u4f5c\u5206\u914d\u7d66\u591a\u500b\u7dda\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Python\u7684\u591a\u7dda\u7a0b\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff1a<\/p>\n<pre><code>import redis\nimport threading\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\ndef clean_expired_keys():\n    while True:\n        # \u96a8\u6a5f\u9078\u64c7\u4e00\u90e8\u5206\u9375\u9032\u884c\u6aa2\u67e5\n        keys = r.keys('*')\n        for key in keys:\n            if r.ttl(key) &lt; 0:  # \u6aa2\u67e5\u9375\u662f\u5426\u904e\u671f\n                r.delete(key)  # \u522a\u9664\u904e\u671f\u9375\n        time.sleep(1)  # \u6bcf\u79d2\u57f7\u884c\u4e00\u6b21\n\n# \u5275\u5efa\u591a\u500b\u7dda\u7a0b\nthreads = []\nfor i in range(5):  # \u5275\u5efa5\u500b\u7dda\u7a0b\n    t = threading.Thread(target=clean_expired_keys)\n    threads.append(t)\n    t.start()\n\n# \u7b49\u5f85\u6240\u6709\u7dda\u7a0b\u5b8c\u6210\nfor t in threads:\n    t.join()\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e94\u500b\u7dda\u7a0b\uff0c\u6bcf\u500b\u7dda\u7a0b\u90fd\u6703\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u904e\u671f\u9375\u7684\u6e05\u7406\u6548\u7387\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-rzsWwViPpw\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u65bd\u591a\u7dda\u7a0b\u904e\u671f\u6e05\u7406\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6e90\u7af6\u722d\uff1a<\/strong>\u591a\u7dda\u7a0b\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6e90\u7af6\u722d\uff0c\u7279\u5225\u662f\u5728\u5c0d\u540c\u4e00\u9375\u9032\u884c\u64cd\u4f5c\u6642\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9396\u4f86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u6027\u80fd\u76e3\u63a7\uff1a<\/strong>\u5728\u5be6\u65bd\u591a\u7dda\u7a0b\u6e05\u7406\u5f8c\uff0c\u61c9\u8a72\u6301\u7e8c\u76e3\u63a7Redis\u7684\u6027\u80fd\uff0c\u4ee5\u78ba\u4fdd\u4e0d\u6703\u56e0\u70ba\u904e\u591a\u7684\u7dda\u7a0b\u800c\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u5408\u7406\u914d\u7f6e\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u7684\u696d\u52d9\u9700\u6c42\u548cRedis\u7684\u8ca0\u8f09\u60c5\u6cc1\uff0c\u5408\u7406\u914d\u7f6e\u7dda\u7a0b\u6578\u91cf\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u7684\u6027\u80fd\u6548\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rzsWwViPpw\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u591a\u7dda\u7a0b\u512a\u5316\uff0cRedis\u7684\u904e\u671f\u9375\u6e05\u7406\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6548\u7387\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002\u5408\u7406\u7684\u5be6\u73fe\u548c\u914d\u7f6e\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406Redis\u7684\u8cc7\u6e90\uff0c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002\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\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u904e\u671f\u6e05\u7406\u7684\u591a\u7dda\u7a0b\u512a\u5316\u6280\u8853\uff0c\u63d0\u9ad8\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u8cc7\u6e90\u7ba1\u7406\u66f4\u70ba\u9ad8\u6548\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-154181","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154181","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=154181"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154181\/revisions"}],"predecessor-version":[{"id":154182,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154181\/revisions\/154182"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}