{"id":167841,"date":"2024-11-06T07:51:20","date_gmt":"2024-11-05T23:51:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167841\/"},"modified":"2024-11-06T07:51:21","modified_gmt":"2024-11-05T23:51:21","slug":"%e9%80%a3%e6%8e%a5%e5%9f%ba%e6%96%bcredis%e7%9a%84%e9%95%b7%e6%99%82%e9%96%93%e8%a8%82%e9%96%b1%e9%80%a3%e6%8e%a5%e5%af%a6%e7%8f%be%e6%96%b9%e6%a1%88%ef%bc%88redis%e8%a8%82%e9%96%b1%e9%95%b7%e6%99%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167841\/","title":{"rendered":"\u9023\u63a5\u57fa\u65bcRedis\u7684\u9577\u6642\u9593\u8a02\u95b1\u9023\u63a5\u5be6\u73fe\u65b9\u6848\uff08redis\u8a02\u95b1\u9577\u6642\u9593\uff09"},"content":{"rendered":"<h1 id=\"%e9%80%a3%e6%8e%a5%e5%9f%ba%e6%96%bcredis%e7%9a%84%e9%95%b7%e6%99%82%e9%96%93%e8%a8%82%e9%96%b1%e9%80%a3%e6%8e%a5%e5%af%a6%e7%8f%be%e6%96%b9%e6%a1%88%ef%bc%88redis%e8%a8%82%e9%96%b1%e9%95%b7%e6%99%82-dWtPAyIQpy\">\u9023\u63a5\u57fa\u65bcRedis\u7684\u9577\u6642\u9593\u8a02\u95b1\u9023\u63a5\u5be6\u73fe\u65b9\u6848\uff08redis\u8a02\u95b1\u9577\u6642\u9593\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u67b6\u69cb\u4e2d\uff0c\u5be6\u6642\u6578\u64da\u8655\u7406\u548c\u6d88\u606f\u50b3\u905e\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u8a02\u95b1\/\u767c\u5e03\uff08Pub\/Sub\uff09\u529f\u80fd\uff0c\u80fd\u5920\u652f\u6301\u5be6\u6642\u6d88\u606f\u7684\u50b3\u905e\u3002\u7136\u800c\uff0c\u7576\u9700\u8981\u9577\u6642\u9593\u4fdd\u6301\u8a02\u95b1\u9023\u63a5\u6642\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u9023\u63a5\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u57fa\u65bcRedis\u7684\u9577\u6642\u9593\u8a02\u95b1\u9023\u63a5\u7684\u5be6\u73fe\u65b9\u6848\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis%e7%9a%84pub-sub%e6%a9%9f%e5%88%b6%e6%a6%82%e8%bf%b0-dWtPAyIQpy\">Redis\u7684Pub\/Sub\u6a5f\u5236\u6982\u8ff0<\/h2>\n<p>Redis\u7684Pub\/Sub\u6a5f\u5236\u5141\u8a31\u5ba2\u6236\u7aef\u8a02\u95b1\u7279\u5b9a\u7684\u983b\u9053\uff0c\u4e26\u5728\u6709\u6d88\u606f\u767c\u4f48\u5230\u9019\u4e9b\u983b\u9053\u6642\u63a5\u6536\u901a\u77e5\u3002\u9019\u7a2e\u6a5f\u5236\u975e\u5e38\u9069\u5408\u7528\u65bc\u5373\u6642\u804a\u5929\u61c9\u7528\u3001\u901a\u77e5\u7cfb\u7d71\u7b49\u5834\u666f\u3002\u7576\u5ba2\u6236\u7aef\u8a02\u95b1\u983b\u9053\u5f8c\uff0cRedis\u6703\u4fdd\u6301\u9019\u500b\u9023\u63a5\uff0c\u76f4\u5230\u5ba2\u6236\u7aef\u4e3b\u52d5\u53d6\u6d88\u8a02\u95b1\u6216\u9023\u63a5\u4e2d\u65b7\u3002<\/p>\n<h2 id=\"%e9%95%b7%e6%99%82%e9%96%93%e8%a8%82%e9%96%b1%e7%9a%84%e6%8c%91%e6%88%b0-dWtPAyIQpy\">\u9577\u6642\u9593\u8a02\u95b1\u7684\u6311\u6230<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9577\u6642\u9593\u4fdd\u6301\u8a02\u95b1\u9023\u63a5\u53ef\u80fd\u6703\u9762\u81e8\u4ee5\u4e0b\u6311\u6230\uff1a<\/p>\n<ul>\n<li><strong>\u9023\u63a5\u8d85\u6642\uff1a<\/strong>\u8a31\u591a\u7db2\u7d61\u74b0\u5883\u6703\u56e0\u70ba\u9592\u7f6e\u9023\u63a5\u800c\u81ea\u52d5\u65b7\u958b\uff0c\u9019\u6703\u5c0e\u81f4Redis\u7684\u8a02\u95b1\u9023\u63a5\u4e2d\u65b7\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u9577\u6642\u9593\u7684\u9023\u63a5\u6703\u6d88\u8017\u670d\u52d9\u5668\u8cc7\u6e90\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5728\u9577\u6642\u9593\u904b\u884c\u7684\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u9700\u8981\u6709\u6548\u7684\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u4f86\u91cd\u65b0\u9023\u63a5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e9%95%b7%e6%99%82%e9%96%93%e8%a8%82%e9%96%b1%e7%9a%84%e6%96%b9%e6%a1%88-dWtPAyIQpy\">\u5be6\u73fe\u9577\u6642\u9593\u8a02\u95b1\u7684\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e0a\u8ff0\u6311\u6230\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6848\u4f86\u5be6\u73fe\u57fa\u65bcRedis\u7684\u9577\u6642\u9593\u8a02\u95b1\u9023\u63a5\uff1a<\/p>\n<h3 id=\"1-%e5%bf%83%e8%b7%b3%e6%a9%9f%e5%88%b6-dWtPAyIQpy\">1. \u5fc3\u8df3\u6a5f\u5236<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u9023\u63a5\u56e0\u9592\u7f6e\u800c\u88ab\u65b7\u958b\uff0c\u53ef\u4ee5\u5be6\u73fe\u4e00\u500b\u5fc3\u8df3\u6a5f\u5236\u3002\u5ba2\u6236\u7aef\u5b9a\u671f\u5411Redis\u767c\u9001\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u8acb\u6c42\uff0c\u4ee5\u4fdd\u6301\u9023\u63a5\u7684\u6d3b\u8e8d\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5fc3\u8df3\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>setInterval(() =&gt; {\n    redisClient.ping((err, res) =&gt; {\n        if (err) {\n            console.error('Ping failed:', err);\n        } else {\n            console.log('Ping response:', res);\n        }\n    });\n}, 30000); \/\/ \u6bcf30\u79d2\u767c\u9001\u4e00\u6b21ping<\/code><\/pre>\n<h3 id=\"2-%e8%87%aa%e5%8b%95%e9%87%8d%e9%80%a3-dWtPAyIQpy\">2. \u81ea\u52d5\u91cd\u9023<\/h3>\n<p>\u5728\u9023\u63a5\u4e2d\u65b7\u7684\u60c5\u6cc1\u4e0b\uff0c\u5ba2\u6236\u7aef\u61c9\u8a72\u80fd\u5920\u81ea\u52d5\u91cd\u9023\u3002\u53ef\u4ee5\u4f7f\u7528\u4e8b\u4ef6\u76e3\u807d\u5668\u4f86\u6aa2\u6e2c\u9023\u63a5\u72c0\u614b\uff0c\u4e26\u5728\u65b7\u958b\u6642\u91cd\u65b0\u5efa\u7acb\u9023\u63a5\uff1a<\/p>\n<pre><code>redisClient.on('error', (err) =&gt; {\n    console.error('Redis error:', err);\n});\n\nredisClient.on('end', () =&gt; {\n    console.log('Redis connection lost. Attempting to reconnect...');\n    setTimeout(() =&gt; {\n        redisClient.connect();\n    }, 5000); \/\/ 5\u79d2\u5f8c\u91cd\u9023\n});<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8redis-streams-dWtPAyIQpy\">3. \u4f7f\u7528Redis Streams<\/h3>\n<p>\u9664\u4e86Pub\/Sub\uff0cRedis\u9084\u63d0\u4f9b\u4e86Streams\u529f\u80fd\uff0c\u9019\u662f\u4e00\u7a2e\u66f4\u70ba\u9748\u6d3b\u7684\u6d88\u606f\u50b3\u905e\u6a5f\u5236\u3002\u4f7f\u7528Streams\u53ef\u4ee5\u5be6\u73fe\u6d88\u606f\u7684\u6301\u4e45\u5316\u548c\u91cd\u64ad\uff0c\u9019\u5c0d\u65bc\u9577\u6642\u9593\u8a02\u95b1\u7684\u5834\u666f\u975e\u5e38\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Streams\u7684\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n<pre><code>const { createClient } = require('redis');\nconst client = createClient();\n\nasync function readStream() {\n    const streamKey = 'mystream';\n    let lastId = '0';\n\n    while (true) {\n        const messages = await client.xRead({ key: streamKey, id: lastId });\n        messages.forEach(message =&gt; {\n            console.log('Received message:', message);\n            lastId = message[0]; \/\/ \u66f4\u65b0\u6700\u5f8c\u4e00\u500bID\n        });\n    }\n}\n\nreadStream();<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dWtPAyIQpy\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bcRedis\u7684\u9577\u6642\u9593\u8a02\u95b1\u9023\u63a5\u5be6\u73fe\u65b9\u6848\u9700\u8981\u8003\u616e\u591a\u65b9\u9762\u7684\u6311\u6230\uff0c\u5305\u62ec\u9023\u63a5\u8d85\u6642\u3001\u8cc7\u6e90\u7ba1\u7406\u548c\u932f\u8aa4\u8655\u7406\u3002\u901a\u904e\u5be6\u73fe\u5fc3\u8df3\u6a5f\u5236\u3001\u81ea\u52d5\u91cd\u9023\u548c\u4f7f\u7528Redis Streams\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u9023\u63a5\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u5be6\u6642\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684Redis\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u57fa\u790e\u8a2d\u65bd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bcRedis\u7684\u9577\u6642\u9593\u8a02\u95b1\u9023\u63a5\u5be6\u73fe\u65b9\u6848\uff0c\u63d0\u5347\u6578\u64da\u5be6\u6642\u6027\u8207\u7cfb\u7d71\u6027\u80fd\uff0c\u6eff\u8db3\u9ad8\u6548\u80fd\u9700\u6c42\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-167841","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167841","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=167841"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167841\/revisions"}],"predecessor-version":[{"id":167842,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167841\/revisions\/167842"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}