{"id":102828,"date":"2024-10-22T14:49:00","date_gmt":"2024-10-22T06:49:00","guid":{"rendered":"https:\/\/server.hk\/cnblog\/102828\/"},"modified":"2024-10-22T14:49:00","modified_gmt":"2024-10-22T06:49:00","slug":"redis-%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86%e5%88%a9%e7%94%a8%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\/102828\/","title":{"rendered":"Redis \u904e\u671f\u8655\u7406\u5229\u7528\u591a\u7dda\u7a0b\u63d0\u9ad8\u6548\u7387"},"content":{"rendered":"<h1 id=\"redis-%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86%e5%88%a9%e7%94%a8%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%8f%90%e9%ab%98%e6%95%88%e7%8e%87-mcUBReOrSI\">Redis \u904e\u671f\u8655\u7406\u5229\u7528\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\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002Redis \u63d0\u4f9b\u4e86\u904e\u671f\u9375\u7684\u529f\u80fd\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u81ea\u52d5\u7ba1\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u904e\u671f\u9375\u7684\u8655\u7406\u6548\u7387\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8b70\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528\u591a\u7dda\u7a0b\u6280\u8853\u4f86\u63d0\u9ad8 Redis \u7684\u904e\u671f\u8655\u7406\u6548\u7387\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e9%8d%b5%e6%a9%9f%e5%88%b6-mcUBReOrSI\">Redis \u7684\u904e\u671f\u9375\u6a5f\u5236<\/h2>\n<p>Redis \u652f\u6301\u5169\u7a2e\u904e\u671f\u9375\u7684\u8655\u7406\u65b9\u5f0f\uff1a\u5b9a\u6642\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002\u5b9a\u6642\u522a\u9664\u662f\u6307\u5728\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u5f8c\uff0cRedis \u6703\u5728\u6307\u5b9a\u7684\u6642\u9593\u81ea\u52d5\u522a\u9664\u8a72\u9375\u3002\u800c\u60f0\u6027\u522a\u9664\u5247\u662f\u5728\u6bcf\u6b21\u8a2a\u554f\u9375\u6642\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\uff0c\u82e5\u904e\u671f\u5247\u522a\u9664\u3002\u9019\u5169\u7a2e\u65b9\u5f0f\u5404\u6709\u512a\u7f3a\u9ede\uff0c\u4f46\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u60f0\u6027\u522a\u9664\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\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-mcUBReOrSI\">\u591a\u7dda\u7a0b\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u55ae\u7dda\u7a0b\u7684\u74b0\u5883\u4e2d\uff0cRedis \u7684\u904e\u671f\u9375\u8655\u7406\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u6574\u9ad4\u6027\u80fd\u3002\u7576\u6709\u5927\u91cf\u7684\u904e\u671f\u9375\u9700\u8981\u8655\u7406\u6642\uff0c\u55ae\u7dda\u7a0b\u7684\u65b9\u5f0f\u6703\u5c0e\u81f4\u5ef6\u9072\uff0c\u5f71\u97ff\u5230\u5176\u4ed6\u64cd\u4f5c\u7684\u97ff\u61c9\u6642\u9593\u3002\u56e0\u6b64\uff0c\u5229\u7528\u591a\u7dda\u7a0b\u4f86\u8655\u7406\u904e\u671f\u9375\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5206\u6563\u8ca0\u8f09\uff0c\u63d0\u9ad8\u6574\u9ad4\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86-mcUBReOrSI\">\u5be6\u73fe\u591a\u7dda\u7a0b\u904e\u671f\u8655\u7406<\/h2>\n<p>\u8981\u5be6\u73fe\u591a\u7dda\u7a0b\u7684\u904e\u671f\u8655\u7406\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u8a2d\u7f6e\u591a\u7dda\u7a0b\u74b0\u5883\uff1a<\/strong>\u4f7f\u7528 Redis \u7684\u5ba2\u6236\u7aef\u5eab\uff0c\u652f\u6301\u591a\u7dda\u7a0b\u64cd\u4f5c\u7684\u5eab\uff0c\u5982 <code>redis-py<\/code> \u6216 <code>Jedis<\/code>\u3002<\/li>\n<li><strong>\u5206\u914d\u4efb\u52d9\uff1a<\/strong>\u5c07\u904e\u671f\u9375\u7684\u6aa2\u67e5\u548c\u522a\u9664\u4efb\u52d9\u5206\u914d\u7d66\u591a\u500b\u7dda\u7a0b\u3002\u53ef\u4ee5\u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u9032\u884c\u5206\u914d\uff0c\u78ba\u4fdd\u6bcf\u500b\u7dda\u7a0b\u8655\u7406\u4e0d\u540c\u7684\u9375\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9396\u6a5f\u5236\uff1a<\/strong>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u4f7f\u7528\u9396\u4f86\u907f\u514d\u540c\u4e00\u9375\u88ab\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8655\u7406\uff0c\u9019\u6a23\u53ef\u4ee5\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-mcUBReOrSI\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\nimport threading\nimport redis\nimport time\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\ndef expire_handler(thread_id):\n    while True:\n        # \u7372\u53d6\u904e\u671f\u9375\n        expired_keys = r.keys('*')\n        for key in expired_keys:\n            if r.ttl(key) == -1:  # \u5982\u679c\u9375\u6c92\u6709\u904e\u671f\u6642\u9593\n                continue\n            if r.ttl(key) == 0:  # \u5982\u679c\u9375\u5df2\u7d93\u904e\u671f\n                r.delete(key)\n                print(f\"Thread {thread_id} deleted key: {key.decode('utf-8')}\")\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=expire_handler, args=(i,))\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=\"%e7%b5%90%e8%ab%96-mcUBReOrSI\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u5229\u7528\u591a\u7dda\u7a0b\u6280\u8853\uff0cRedis \u7684\u904e\u671f\u9375\u8655\u7406\u6548\u7387\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u6e1b\u5c11\u5ef6\u9072\uff0c\u9084\u80fd\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u8abf\u6574\u7dda\u7a0b\u6578\u91cf\u548c\u4efb\u52d9\u5206\u914d\u7b56\u7565\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u6548\u679c\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <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\u7d22\u5982\u4f55\u5229\u7528\u591a\u7dda\u7a0b\u6280\u8853\u63d0\u5347 Redis \u904e\u671f\u8655\u7406\u7684\u6548\u7387\uff0c\u512a\u5316\u6578\u64da\u7ba1\u7406\u8207\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-102828","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102828","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=102828"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102828\/revisions"}],"predecessor-version":[{"id":102829,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102828\/revisions\/102829"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=102828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=102828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=102828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}