{"id":161673,"date":"2024-11-04T08:23:24","date_gmt":"2024-11-04T00:23:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161673\/"},"modified":"2024-11-04T08:23:25","modified_gmt":"2024-11-04T00:23:25","slug":"%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e5%a4%9a%e7%b7%9a%e7%a8%8b%e8%87%aa%e5%8b%95%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86%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\/161673\/","title":{"rendered":"\u57fa\u65bc Redis \u5be6\u73fe\u591a\u7dda\u7a0b\u81ea\u52d5\u904e\u671f\u8655\u7406\uff08redis \u904e\u671f \u591a\u7dda\u7a0b\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e5%a4%9a%e7%b7%9a%e7%a8%8b%e8%87%aa%e5%8b%95%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86-qxQRyCdaOo\">\u57fa\u65bc Redis \u5be6\u73fe\u591a\u7dda\u7a0b\u81ea\u52d5\u904e\u671f\u8655\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u5b58\u5132\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u57fa\u65bc Redis \u5be6\u73fe\u591a\u7dda\u7a0b\u81ea\u52d5\u904e\u671f\u8655\u7406\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6-qxQRyCdaOo\">Redis \u7684\u904e\u671f\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5167\u5efa\u7684\u904e\u671f\u6a5f\u5236\uff0c\u5141\u8a31\u7528\u6236\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u7576\u4e00\u500b\u9375\u7684\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0cRedis \u6703\u81ea\u52d5\u5c07\u5176\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u5c0d\u65bc\u9700\u8981\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5f0f\u4f86\u8aaa\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>Redis \u7684\u904e\u671f\u6a5f\u5236\u4e3b\u8981\u6709\u5169\u7a2e\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u6642\u522a\u9664\uff1a<\/strong>Redis \u6703\u5b9a\u671f\u6aa2\u67e5\u904e\u671f\u9375\uff0c\u4e26\u5c07\u5176\u522a\u9664\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<\/li>\n<\/ul>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e8%99%95%e7%90%86%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-qxQRyCdaOo\">\u591a\u7dda\u7a0b\u8655\u7406\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u55ae\u7dda\u7a0b\u7684\u904e\u671f\u8655\u7406\u53ef\u80fd\u6703\u6210\u70ba\u6027\u80fd\u74f6\u9838\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u591a\u7dda\u7a0b\u4f86\u5be6\u73fe\u904e\u671f\u8655\u7406\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u541e\u5410\u91cf\uff0c\u6e1b\u5c11\u5ef6\u9072\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86%e5%af%a6%e7%8f%be-qxQRyCdaOo\">\u57fa\u65bc Redis \u7684\u591a\u7dda\u7a0b\u904e\u671f\u8655\u7406\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u65bc Redis \u7684\u591a\u7dda\u7a0b\u904e\u671f\u8655\u7406\u7684\u7c21\u55ae\u793a\u4f8b\u3002\u9019\u500b\u793a\u4f8b\u4f7f\u7528 Python \u7684 threading \u6a21\u7d44\u4f86\u5be6\u73fe\u591a\u7dda\u7a0b\u3002<\/p>\n<pre><code>import redis\nimport threading\nimport time\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u7f6e\u9375\u503c\u53ca\u904e\u671f\u6642\u9593\ndef set_key(key, value, expire):\n    r.set(key, value, ex=expire)\n\n# \u81ea\u52d5\u904e\u671f\u8655\u7406\ndef auto_expire_handler():\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                print(f\"Key {key} is not set to expire.\")\n            elif r.ttl(key) == 0:\n                print(f\"Key {key} has expired and will be deleted.\")\n                r.delete(key)\n        time.sleep(5)  # \u6bcf5\u79d2\u6aa2\u67e5\u4e00\u6b21\n\n# \u5275\u5efa\u591a\u500b\u7dda\u7a0b\nthreads = []\nfor i in range(5):\n    t = threading.Thread(target=auto_expire_handler)\n    threads.append(t)\n    t.start()\n\n# \u8a2d\u7f6e\u4e00\u4e9b\u9375\nset_key('key1', 'value1', 10)\nset_key('key2', 'value2', 20)\n\n# \u7b49\u5f85\u7dda\u7a0b\u7d50\u675f\nfor t in threads:\n    t.join()\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u81ea\u52d5\u904e\u671f\u8655\u7406\u7684\u51fd\u6578\uff0c\u4e26\u4f7f\u7528\u591a\u500b\u7dda\u7a0b\u4f86\u57f7\u884c\u8a72\u51fd\u6578\u3002\u6bcf\u500b\u7dda\u7a0b\u90fd\u6703\u5b9a\u671f\u6aa2\u67e5 Redis \u4e2d\u7684\u9375\uff0c\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-qxQRyCdaOo\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe\u591a\u7dda\u7a0b\u904e\u671f\u8655\u7406\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u7dda\u7a0b\u5b89\u5168\uff1a\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u5c0d Redis \u7684\u64cd\u4f5c\u9700\u8981\u8003\u616e\u5230\u7dda\u7a0b\u5b89\u5168\u6027\uff0c\u907f\u514d\u6578\u64da\u7af6\u722d\u3002<\/li>\n<li>\u6027\u80fd\u76e3\u63a7\uff1a\u5b9a\u671f\u76e3\u63a7 Redis \u7684\u6027\u80fd\uff0c\u78ba\u4fdd\u904e\u671f\u8655\u7406\u4e0d\u6703\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/li>\n<li>\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a\u6839\u64da\u696d\u52d9\u9700\u6c42\u5408\u7406\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u522a\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qxQRyCdaOo\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u5be6\u73fe\u591a\u7dda\u7a0b\u81ea\u52d5\u904e\u671f\u8655\u7406\u662f\u4e00\u7a2e\u6709\u6548\u7684\u6578\u64da\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\u6709\u6548\u5730\u7ba1\u7406\u904e\u671f\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc Redis \u7684\u591a\u7dda\u7a0b\u81ea\u52d5\u904e\u671f\u8655\u7406\u6280\u8853\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u8cc7\u6e90\u81ea\u52d5\u91cb\u653e\u8207\u512a\u5316\u6027\u80fd\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-161673","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161673","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=161673"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161673\/revisions"}],"predecessor-version":[{"id":161674,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161673\/revisions\/161674"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}