{"id":102456,"date":"2024-10-22T14:19:37","date_gmt":"2024-10-22T06:19:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/102456\/"},"modified":"2024-10-22T14:19:38","modified_gmt":"2024-10-22T06:19:38","slug":"redis-%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e4%b8%ad%e6%8e%a2%e7%b4%a2%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%8f%90%e9%ab%98%e6%95%88%e7%8e%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/102456\/","title":{"rendered":"Redis \u904e\u671f\u7b56\u7565\u4e2d\u63a2\u7d22\u591a\u7dda\u7a0b\u63d0\u9ad8\u6548\u7387"},"content":{"rendered":"<h1 id=\"redis-%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e4%b8%ad%e6%8e%a2%e7%b4%a2%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%8f%90%e9%ab%98%e6%95%88%e7%8e%87-AqrcmSpaYC\">Redis \u904e\u671f\u7b56\u7565\u4e2d\u63a2\u7d22\u591a\u7dda\u7a0b\u63d0\u9ad8\u6548\u7387<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u5176\u904e\u671f\u7b56\u7565\u662f\u7ba1\u7406\u6578\u64da\u751f\u547d\u5468\u671f\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u9ad8\u6548\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u591a\u7dda\u7a0b\u6280\u8853\u4f86\u63d0\u9ad8 Redis \u7684\u904e\u671f\u7b56\u7565\u6548\u7387\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e6%a6%82%e8%bf%b0-AqrcmSpaYC\">Redis \u7684\u904e\u671f\u7b56\u7565\u6982\u8ff0<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u7b56\u7565\uff1a\u4e3b\u52d5\u904e\u671f\u548c\u88ab\u52d5\u904e\u671f\u3002\u4e3b\u52d5\u904e\u671f\u662f\u6307 Redis \u6703\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\uff0c\u800c\u88ab\u52d5\u904e\u671f\u5247\u662f\u5728\u8a2a\u554f\u67d0\u500b\u9375\u6642\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\u3002\u9019\u5169\u7a2e\u7b56\u7565\u5404\u6709\u512a\u7f3a\u9ede\uff0c\u4f46\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e0b\uff0c\u4e3b\u52d5\u904e\u671f\u7684\u6548\u7387\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-AqrcmSpaYC\">\u591a\u7dda\u7a0b\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u55ae\u7dda\u7a0b\u7684 Redis \u53ef\u80fd\u6703\u6210\u70ba\u6027\u80fd\u74f6\u9838\u3002\u7576\u5927\u91cf\u7684\u904e\u671f\u9375\u9700\u8981\u88ab\u522a\u9664\u6642\uff0c\u55ae\u7dda\u7a0b\u7684\u8655\u7406\u65b9\u5f0f\u53ef\u80fd\u5c0e\u81f4\u5ef6\u9072\u548c\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u63a2\u7d22\u591a\u7dda\u7a0b\u6280\u8853\u4ee5\u63d0\u9ad8\u904e\u671f\u7b56\u7565\u7684\u6548\u7387\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e5%af%a6%e7%8f%be%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e7%9a%84%e6%96%b9%e5%bc%8f-AqrcmSpaYC\">\u591a\u7dda\u7a0b\u5be6\u73fe\u904e\u671f\u7b56\u7565\u7684\u65b9\u5f0f<\/h2>\n<p>\u5728 Redis \u4e2d\u5be6\u73fe\u591a\u7dda\u7a0b\u904e\u671f\u7b56\u7565\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u7247\u904e\u671f\u6aa2\u67e5\uff1a<\/strong>\u5c07\u9375\u503c\u5c0d\u6839\u64da\u67d0\u7a2e\u898f\u5247\u5206\u7247\uff0c\u7136\u5f8c\u70ba\u6bcf\u500b\u5206\u7247\u5206\u914d\u4e00\u500b\u7dda\u7a0b\u9032\u884c\u904e\u671f\u6aa2\u67e5\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u55ae\u500b\u7dda\u7a0b\u7684\u8ca0\u64d4\uff0c\u63d0\u9ad8\u6574\u9ad4\u6548\u7387\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5de5\u4f5c\u968a\u5217\uff1a<\/strong>\u5c07\u904e\u671f\u9375\u653e\u5165\u5de5\u4f5c\u968a\u5217\u4e2d\uff0c\u7136\u5f8c\u4f7f\u7528\u591a\u500b\u5de5\u4f5c\u7dda\u7a0b\u4f86\u8655\u7406\u9019\u4e9b\u9375\u7684\u522a\u9664\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u5be6\u73fe\u66f4\u9ad8\u7684\u4e26\u884c\u5ea6\u3002<\/li>\n<li><strong>\u5b9a\u6642\u4efb\u52d9\uff1a<\/strong>\u8a2d\u7f6e\u5b9a\u6642\u4efb\u52d9\uff0c\u5b9a\u671f\u555f\u52d5\u591a\u500b\u7dda\u7a0b\u4f86\u6aa2\u67e5\u548c\u522a\u9664\u904e\u671f\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u9ad8\u5cf0\u671f\u9032\u884c\u904e\u671f\u6aa2\u67e5\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-AqrcmSpaYC\">\u4ee3\u78bc\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u4ee3\u78bc\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u591a\u7dda\u7a0b\u4f86\u5be6\u73fe Redis \u7684\u904e\u671f\u9375\u522a\u9664\uff1a<\/p>\n<pre><code>\nimport redis\nimport threading\nimport time\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\ndef delete_expired_keys():\n    while True:\n        # \u7372\u53d6\u6240\u6709\u9375\n        keys = r.keys('*')\n        for key in keys:\n            # \u6aa2\u67e5\u9375\u662f\u5426\u904e\u671f\n            if r.ttl(key) == -1:\n                continue\n            elif r.ttl(key) == 0:\n                r.delete(key)\n        time.sleep(1)  # \u6bcf\u79d2\u6aa2\u67e5\u4e00\u6b21\n\n# \u5275\u5efa\u591a\u500b\u7dda\u7a0b\nthreads = []\nfor i in range(5):\n    t = threading.Thread(target=delete_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<h2 id=\"%e6%80%a7%e8%83%bd%e6%b8%ac%e8%a9%a6%e8%88%87%e5%84%aa%e5%8c%96-AqrcmSpaYC\">\u6027\u80fd\u6e2c\u8a66\u8207\u512a\u5316<\/h2>\n<p>\u5728\u5be6\u65bd\u591a\u7dda\u7a0b\u904e\u671f\u7b56\u7565\u5f8c\uff0c\u61c9\u9032\u884c\u6027\u80fd\u6e2c\u8a66\u4ee5\u8a55\u4f30\u5176\u6548\u679c\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u5167\u5efa\u547d\u4ee4\u5982 <code>INFO<\/code> \u4f86\u76e3\u63a7\u9375\u7684\u6578\u91cf\u548c\u904e\u671f\u9375\u7684\u522a\u9664\u901f\u5ea6\u3002\u6839\u64da\u6e2c\u8a66\u7d50\u679c\uff0c\u9032\u4e00\u6b65\u8abf\u6574\u7dda\u7a0b\u6578\u91cf\u548c\u6aa2\u67e5\u983b\u7387\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-AqrcmSpaYC\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u591a\u7dda\u7a0b\u6280\u8853\u4f86\u512a\u5316 Redis \u7684\u904e\u671f\u7b56\u7565\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u6e1b\u5c11\u5ef6\u9072\uff0c\u9084\u80fd\u63d0\u9ad8\u8cc7\u6e90\u7684\u5229\u7528\u7387\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9019\u7a2e\u65b9\u6cd5\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u904e\u671f\u7b56\u7565\u4e2d\u7684\u591a\u7dda\u7a0b\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\uff0c\u5be6\u73fe\u66f4\u5feb\u7684\u904e\u671f\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-102456","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102456","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=102456"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102456\/revisions"}],"predecessor-version":[{"id":102457,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102456\/revisions\/102457"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=102456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=102456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=102456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}