{"id":183040,"date":"2024-11-10T01:26:18","date_gmt":"2024-11-09T17:26:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183040\/"},"modified":"2024-11-10T01:26:19","modified_gmt":"2024-11-09T17:26:19","slug":"%e5%af%a6%e7%8f%beredis%e9%9a%8a%e5%88%97%e6%9c%89%e6%95%88%e9%87%8b%e6%94%be%ef%bc%88redis-%e9%9a%8a%e5%88%97%e9%87%8b%e6%94%be%e9%81%8e%e7%a8%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183040\/","title":{"rendered":"\u5be6\u73feRedis\u968a\u5217\u6709\u6548\u91cb\u653e\uff08redis \u968a\u5217\u91cb\u653e\u904e\u7a0b\uff09"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e7%8f%beredis%e9%9a%8a%e5%88%97%e6%9c%89%e6%95%88%e9%87%8b%e6%94%be%ef%bc%88redis-%e9%9a%8a%e5%88%97%e9%87%8b%e6%94%be%e9%81%8e%e7%a8%8b%ef%bc%89-YqspQvvKJy\">\u5be6\u73feRedis\u968a\u5217\u6709\u6548\u91cb\u653e\uff08redis \u968a\u5217\u91cb\u653e\u904e\u7a0b\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u7279\u5225\u662f\u5728\u6d88\u606f\u968a\u5217\u7684\u7ba1\u7406\u4e0a\u3002Redis\u7684\u968a\u5217\u529f\u80fd\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u8655\u7406\u7570\u6b65\u4efb\u52d9\uff0c\u7136\u800c\uff0c\u96a8\u8457\u968a\u5217\u4e2d\u6578\u64da\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u91cb\u653e\u968a\u5217\u4e2d\u7684\u6578\u64da\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u968a\u5217\u7684\u91cb\u653e\u904e\u7a0b\u53ca\u5176\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"redis%e9%9a%8a%e5%88%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-YqspQvvKJy\">Redis\u968a\u5217\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u5217\u8868\uff08List\uff09\u662f\u5be6\u73fe\u968a\u5217\u7684\u4e3b\u8981\u6578\u64da\u7d50\u69cb\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528LPUSH\u548cRPUSH\u547d\u4ee4\u5c07\u5143\u7d20\u6dfb\u52a0\u5230\u968a\u5217\u7684\u5169\u7aef\uff0c\u4e26\u4f7f\u7528LPOP\u548cRPOP\u547d\u4ee4\u5f9e\u968a\u5217\u4e2d\u79fb\u9664\u5143\u7d20\u3002\u9019\u4e9b\u64cd\u4f5c\u7684\u6642\u9593\u8907\u96dc\u5ea6\u70baO(1)\uff0c\u4f7f\u5f97Redis\u5728\u8655\u7406\u9ad8\u983b\u7387\u7684\u968a\u5217\u64cd\u4f5c\u6642\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bd%95%e9%9c%80%e8%a6%81%e9%87%8b%e6%94%be%e9%9a%8a%e5%88%97%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-YqspQvvKJy\">\u70ba\u4f55\u9700\u8981\u91cb\u653e\u968a\u5217\u4e2d\u7684\u6578\u64da<\/h2>\n<p>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u968a\u5217\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u7684\u6578\u64da\uff0c\u9019\u4e0d\u50c5\u6703\u4f54\u7528\u5167\u5b58\u8cc7\u6e90\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u91cb\u653e\u968a\u5217\u4e2d\u7684\u6578\u64da\u662f\u5fc5\u8981\u7684\u3002\u91cb\u653e\u904e\u7a0b\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u81ea\u52d5\u904e\u671f\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u904e\u671f\u529f\u80fd\uff0c\u70ba\u968a\u5217\u4e2d\u7684\u5143\u7d20\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u904e\u671f\u5f8c\u81ea\u52d5\u522a\u9664\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\uff1a<\/strong>\u901a\u904e\u5b9a\u6642\u4efb\u52d9\u5b9a\u671f\u6aa2\u67e5\u968a\u5217\uff0c\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u6d88\u8cbb\u8005\u6a21\u5f0f\uff1a<\/strong>\u8a2d\u8a08\u6d88\u8cbb\u8005\u7a0b\u5e8f\uff0c\u5b9a\u671f\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u6578\u64da\u4e26\u8655\u7406\uff0c\u8655\u7406\u5b8c\u6210\u5f8c\u518d\u522a\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e9%9a%8a%e5%88%97%e9%87%8b%e6%94%be%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-YqspQvvKJy\">Redis\u968a\u5217\u91cb\u653e\u7684\u5be6\u73fe\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u5be6\u73fe\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-YqspQvvKJy\">1. \u4f7f\u7528\u904e\u671f\u6642\u9593<\/h3>\n<pre><code>\n# \u5c07\u5143\u7d20\u6dfb\u52a0\u5230\u968a\u5217\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\nLPUSH myqueue \"task1\"\nEXPIRE myqueue 3600  # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba1\u5c0f\u6642\n<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u9069\u5408\u65bc\u90a3\u4e9b\u4e0d\u9700\u8981\u9577\u671f\u4fdd\u7559\u7684\u6578\u64da\uff0c\u80fd\u5920\u6709\u6548\u6e1b\u5c11\u5167\u5b58\u4f54\u7528\u3002<\/p>\n<h3 id=\"2-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86-YqspQvvKJy\">2. \u5b9a\u671f\u6e05\u7406<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u9375\u904e\u671f\u4e8b\u4ef6\u4f86\u76e3\u63a7\u968a\u5217\uff0c\u4e26\u5b9a\u671f\u57f7\u884c\u6e05\u7406\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport redis\nimport time\n\nr = redis.Redis()\n\nwhile True:\n    # \u6aa2\u67e5\u968a\u5217\u9577\u5ea6\n    if r.llen(\"myqueue\") &gt; 1000:\n        r.ltrim(\"myqueue\", 0, 999)  # \u4fdd\u7559\u6700\u65b0\u76841000\u500b\u5143\u7d20\n    time.sleep(60)  # \u6bcf60\u79d2\u6aa2\u67e5\u4e00\u6b21\n<\/code><\/pre>\n<h3 id=\"3-%e6%b6%88%e8%b2%bb%e8%80%85%e6%a8%a1%e5%bc%8f-YqspQvvKJy\">3. \u6d88\u8cbb\u8005\u6a21\u5f0f<\/h3>\n<p>\u8a2d\u8a08\u4e00\u500b\u6d88\u8cbb\u8005\u7a0b\u5e8f\uff0c\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u6578\u64da\u4e26\u9032\u884c\u8655\u7406\uff0c\u8655\u7406\u5b8c\u6210\u5f8c\u518d\u522a\u9664\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nwhile True:\n    task = r.rpop(\"myqueue\")\n    if task:\n        # \u8655\u7406\u4efb\u52d9\n        print(f\"Processing {task}\")\n    else:\n        time.sleep(1)  # \u5982\u679c\u968a\u5217\u70ba\u7a7a\uff0c\u7b49\u5f851\u79d2\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YqspQvvKJy\">\u7e3d\u7d50<\/h2>\n<p>\u6709\u6548\u91cb\u653eRedis\u968a\u5217\u4e2d\u7684\u6578\u64da\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u5920\u7bc0\u7701\u8cc7\u6e90\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u5b9a\u671f\u6e05\u7406\u548c\u6d88\u8cbb\u8005\u6a21\u5f0f\u7b49\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u7ba1\u7406\u968a\u5217\u4e2d\u7684\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\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u5730\u5340\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u5c07\u4f7f\u5f97\u6578\u64da\u8655\u7406\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u6709\u6548\u91cb\u653eRedis\u968a\u5217\uff0c\u63d0\u5347\u6027\u80fd\u8207\u8cc7\u6e90\u5229\u7528\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u8655\u7406\u7684\u9ad8\u6548\u6027\u8207\u7a69\u5b9a\u6027\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-183040","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183040","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=183040"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183040\/revisions"}],"predecessor-version":[{"id":183041,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183040\/revisions\/183041"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}