{"id":163421,"date":"2024-11-04T23:22:29","date_gmt":"2024-11-04T15:22:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163421\/"},"modified":"2024-11-04T23:22:30","modified_gmt":"2024-11-04T15:22:30","slug":"%e8%a7%a3%e6%b1%baredis%e9%9a%8a%e5%88%97%e5%a0%86%e7%a9%8d%e7%9a%84%e6%96%b9%e6%a1%88%ef%bc%88redis%e9%9a%8a%e5%88%97%e5%a0%86%e7%a9%8d%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163421\/","title":{"rendered":"\u89e3\u6c7aRedis\u968a\u5217\u5806\u7a4d\u7684\u65b9\u6848\uff08Redis\u968a\u5217\u5806\u7a4d\u600e\u9ebc\u8fa6\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%baredis%e9%9a%8a%e5%88%97%e5%a0%86%e7%a9%8d%e7%9a%84%e6%96%b9%e6%a1%88%ef%bc%88redis%e9%9a%8a%e5%88%97%e5%a0%86%e7%a9%8d%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%89-QRJxymSqAU\">\u89e3\u6c7aRedis\u968a\u5217\u5806\u7a4d\u7684\u65b9\u6848\uff08Redis\u968a\u5217\u5806\u7a4d\u600e\u9ebc\u8fa6\uff09<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u67b6\u69cb\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u4f3a\u670d\u5668\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u7576\u4f7f\u7528Redis\u4f5c\u70ba\u6d88\u606f\u968a\u5217\u6642\uff0c\u968a\u5217\u5806\u7a4d\u7684\u554f\u984c\u53ef\u80fd\u6703\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u968a\u5217\u5806\u7a4d\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"redis%e9%9a%8a%e5%88%97%e5%a0%86%e7%a9%8d%e7%9a%84%e5%8e%9f%e5%9b%a0-QRJxymSqAU\">Redis\u968a\u5217\u5806\u7a4d\u7684\u539f\u56e0<\/h2>\n<p>\u968a\u5217\u5806\u7a4d\u901a\u5e38\u662f\u7531\u65bc\u6d88\u8cbb\u8005\u7684\u8655\u7406\u901f\u5ea6\u7121\u6cd5\u8ddf\u4e0a\u751f\u7522\u8005\u7684\u751f\u7522\u901f\u5ea6\uff0c\u5c0e\u81f4\u6d88\u606f\u5728\u968a\u5217\u4e2d\u7a4d\u58d3\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6d88\u8cbb\u8005\u6027\u80fd\u4e0d\u8db3\uff1a<\/strong>\u5982\u679c\u6d88\u8cbb\u8005\u7684\u8655\u7406\u80fd\u529b\u8f03\u4f4e\uff0c\u7121\u6cd5\u53ca\u6642\u8655\u7406\u5f9eRedis\u4e2d\u53d6\u51fa\u7684\u6d88\u606f\uff0c\u5247\u6703\u5c0e\u81f4\u968a\u5217\u5806\u7a4d\u3002<\/li>\n<li><strong>\u751f\u7522\u8005\u904e\u65bc\u6d3b\u8e8d\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u751f\u7522\u8005\u53ef\u80fd\u6703\u4ee5\u904e\u5feb\u7684\u901f\u5ea6\u751f\u6210\u6d88\u606f\uff0c\u8d85\u904e\u6d88\u8cbb\u8005\u7684\u8655\u7406\u80fd\u529b\u3002<\/li>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5982\u679c\u6d88\u8cbb\u8005\u548cRedis\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u7db2\u7d61\u5ef6\u9072\u8f03\u9ad8\uff0c\u5247\u6703\u5f71\u97ff\u6d88\u606f\u7684\u6d88\u8cbb\u901f\u5ea6\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u9650\u5236\uff1a<\/strong>\u4f3a\u670d\u5668\u7684CPU\u3001\u5167\u5b58\u6216I\/O\u8cc7\u6e90\u4e0d\u8db3\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6d88\u8cbb\u8005\u7121\u6cd5\u9ad8\u6548\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-QRJxymSqAU\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7aRedis\u968a\u5217\u5806\u7a4d\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e5%a2%9e%e5%8a%a0%e6%b6%88%e8%b2%bb%e8%80%85%e6%95%b8%e9%87%8f-QRJxymSqAU\">1. \u589e\u52a0\u6d88\u8cbb\u8005\u6578\u91cf<\/h3>\n<p>\u901a\u904e\u589e\u52a0\u6d88\u8cbb\u8005\u7684\u6578\u91cf\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6d88\u606f\u7684\u8655\u7406\u80fd\u529b\u3002\u9019\u53ef\u4ee5\u901a\u904e\u6c34\u5e73\u64f4\u5c55\u4f86\u5be6\u73fe\uff0c\u5373\u5728\u591a\u500b\u4f3a\u670d\u5668\u4e0a\u904b\u884c\u591a\u500b\u6d88\u8cbb\u8005\u5be6\u4f8b\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5206\u64d4\u6d88\u606f\u8655\u7406\u7684\u8ca0\u64d4\u3002<\/p>\n<pre><code>const redis = require('redis');\nconst client = redis.createClient();\n\nfunction consumeMessage() {\n    client.lpop('myQueue', (err, message) =&gt; {\n        if (message) {\n            \/\/ \u8655\u7406\u6d88\u606f\n            console.log('Processing message:', message);\n            \/\/ \u7e7c\u7e8c\u6d88\u8cbb\u4e0b\u4e00\u689d\u6d88\u606f\n            consumeMessage();\n        } else {\n            \/\/ \u66ab\u6642\u6c92\u6709\u6d88\u606f\uff0c\u7a0d\u5f8c\u91cd\u8a66\n            setTimeout(consumeMessage, 1000);\n        }\n    });\n}\n\n\/\/ \u555f\u52d5\u591a\u500b\u6d88\u8cbb\u8005\nfor (let i = 0; i &lt; 5; i++) {\n    consumeMessage();\n}\n<\/code><\/pre>\n<h3 id=\"2-%e5%84%aa%e5%8c%96%e6%b6%88%e8%b2%bb%e8%80%85%e9%82%8f%e8%bc%af-QRJxymSqAU\">2. \u512a\u5316\u6d88\u8cbb\u8005\u908f\u8f2f<\/h3>\n<p>\u6aa2\u67e5\u6d88\u8cbb\u8005\u7684\u908f\u8f2f\uff0c\u78ba\u4fdd\u5176\u904b\u884c\u6548\u7387\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u9032\u884c\u512a\u5316\uff1a<\/p>\n<ul>\n<li>\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97\u548cI\/O\u64cd\u4f5c\u3002<\/li>\n<li>\u4f7f\u7528\u6279\u91cf\u8655\u7406\u4f86\u6e1b\u5c11\u8207Redis\u7684\u4ea4\u4e92\u6b21\u6578\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u7570\u6b65\u8655\u7406\u4f86\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e9%99%90%e5%88%b6%e7%94%9f%e7%94%a2%e8%80%85%e7%9a%84%e9%80%9f%e5%ba%a6-QRJxymSqAU\">3. \u9650\u5236\u751f\u7522\u8005\u7684\u901f\u5ea6<\/h3>\n<p>\u5982\u679c\u751f\u7522\u8005\u7684\u901f\u5ea6\u904e\u5feb\uff0c\u53ef\u4ee5\u8003\u616e\u5c0d\u5176\u9032\u884c\u9650\u6d41\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u751f\u7522\u8005\u7684\u767c\u9001\u901f\u7387\u4f86\u5be6\u73fe\uff0c\u78ba\u4fdd\u4e0d\u6703\u8d85\u904e\u6d88\u8cbb\u8005\u7684\u8655\u7406\u80fd\u529b\u3002<\/p>\n<pre><code>const rateLimit = 100; \/\/ \u6bcf\u79d2\u6700\u591a100\u689d\u6d88\u606f\nsetInterval(() =&gt; {\n    if (canProduce()) {\n        client.rpush('myQueue', 'newMessage', (err) =&gt; {\n            if (err) console.error(err);\n        });\n    }\n}, 1000 \/ rateLimit);\n<\/code><\/pre>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%91%8a%e8%ad%a6-QRJxymSqAU\">4. \u76e3\u63a7\u548c\u544a\u8b66<\/h3>\n<p>\u5efa\u7acb\u76e3\u63a7\u7cfb\u7d71\uff0c\u5be6\u6642\u76e3\u63a7Redis\u968a\u5217\u7684\u9577\u5ea6\u548c\u6d88\u8cbb\u8005\u7684\u8655\u7406\u901f\u5ea6\u3002\u4e00\u65e6\u767c\u73fe\u968a\u5217\u9577\u5ea6\u8d85\u904e\u9810\u8a2d\u95be\u503c\uff0c\u61c9\u7acb\u5373\u767c\u51fa\u544a\u8b66\uff0c\u4ee5\u4fbf\u53ca\u6642\u8655\u7406\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QRJxymSqAU\">\u7e3d\u7d50<\/h2>\n<p>Redis\u968a\u5217\u5806\u7a4d\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u589e\u52a0\u6d88\u8cbb\u8005\u6578\u91cf\u3001\u512a\u5316\u6d88\u8cbb\u8005\u908f\u8f2f\u3001\u9650\u5236\u751f\u7522\u8005\u901f\u5ea6\u4ee5\u53ca\u5efa\u7acb\u76e3\u63a7\u7cfb\u7d71\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u8655\u7406\u6d88\u606f\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u4f3a\u670d\u5668\u8cc7\u6e90\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u89e3\u6c7aRedis\u968a\u5217\u5806\u7a4d\u7684\u65b9\u6848\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u8655\u7406\u6d41\u66a2\u7121\u963b\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-163421","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163421","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=163421"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163421\/revisions"}],"predecessor-version":[{"id":163422,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163421\/revisions\/163422"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}