{"id":154385,"date":"2024-11-02T15:22:22","date_gmt":"2024-11-02T07:22:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154385\/"},"modified":"2024-11-02T15:22:23","modified_gmt":"2024-11-02T07:22:23","slug":"%e5%8b%95%e6%85%8b%e5%84%aa%e5%8c%96-redis-%e6%95%b8%e6%93%9a%e6%ba%90%e7%9a%84%e5%88%87%e6%8f%9b%e7%ad%96%e7%95%a5%ef%bc%88%e5%8b%95%e6%85%8b%e5%88%87%e6%8f%9b-redis-%e6%95%b8%e6%93%9a%e6%ba%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154385\/","title":{"rendered":"\u52d5\u614b\u512a\u5316 Redis \u6578\u64da\u6e90\u7684\u5207\u63db\u7b56\u7565\uff08\u52d5\u614b\u5207\u63db Redis \u6578\u64da\u6e90\uff09"},"content":{"rendered":"<h1 id=\"%e5%8b%95%e6%85%8b%e5%84%aa%e5%8c%96-redis-%e6%95%b8%e6%93%9a%e6%ba%90%e7%9a%84%e5%88%87%e6%8f%9b%e7%ad%96%e7%95%a5%ef%bc%88%e5%8b%95%e6%85%8b%e5%88%87%e6%8f%9b-redis-%e6%95%b8%e6%93%9a%e6%ba%90-rJLZKfhXjp\">\u52d5\u614b\u512a\u5316 Redis \u6578\u64da\u6e90\u7684\u5207\u63db\u7b56\u7565\uff08\u52d5\u614b\u5207\u63db Redis \u6578\u64da\u6e90\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u96a8\u8457\u696d\u52d9\u9700\u6c42\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u5207\u63db Redis \u6578\u64da\u6e90\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u904b\u7dad\u4eba\u54e1\u9762\u81e8\u7684\u4e00\u500b\u91cd\u8981\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u52d5\u614b\u512a\u5316 Redis \u6578\u64da\u6e90\u7684\u5207\u63db\u7b56\u7565\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u6e90\u5207\u63db\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%8b%95%e6%85%8b%e5%88%87%e6%8f%9b-redis-%e6%95%b8%e6%93%9a%e6%ba%90%ef%bc%9f-rJLZKfhXjp\">\u70ba\u4ec0\u9ebc\u9700\u8981\u52d5\u614b\u5207\u63db Redis \u6578\u64da\u6e90\uff1f<\/h2>\n<p>\u5728\u591a\u6578\u60c5\u6cc1\u4e0b\uff0cRedis \u6578\u64da\u6e90\u7684\u5207\u63db\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u55ae\u4e00 Redis \u5be6\u4f8b\u53ef\u80fd\u7121\u6cd5\u627f\u53d7\u904e\u9ad8\u7684\u8acb\u6c42\u8ca0\u8f09\uff0c\u9019\u6642\u9700\u8981\u5c07\u8acb\u6c42\u5206\u6563\u5230\u591a\u500b Redis \u5be6\u4f8b\u4e0a\u3002<\/li>\n<li><strong>\u6545\u969c\u8f49\u79fb\uff1a<\/strong>\u7576\u67d0\u500b Redis \u5be6\u4f8b\u51fa\u73fe\u6545\u969c\u6642\uff0c\u7cfb\u7d71\u9700\u8981\u81ea\u52d5\u5207\u63db\u5230\u5176\u4ed6\u53ef\u7528\u7684\u6578\u64da\u6e90\uff0c\u4ee5\u78ba\u4fdd\u696d\u52d9\u7684\u9023\u7e8c\u6027\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u6839\u64da\u4e0d\u540c\u7684\u696d\u52d9\u9700\u6c42\u4f86\u9078\u64c7\u4e0d\u540c\u7684\u6578\u64da\u6e90\uff0c\u4ee5\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%8b%95%e6%85%8b%e5%88%87%e6%8f%9b%e7%ad%96%e7%95%a5%e7%9a%84%e5%af%a6%e7%8f%be-rJLZKfhXjp\">\u52d5\u614b\u5207\u63db\u7b56\u7565\u7684\u5be6\u73fe<\/h2>\n<p>\u52d5\u614b\u5207\u63db Redis \u6578\u64da\u6e90\u7684\u7b56\u7565\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\u4f86\u5be6\u73fe\uff1a<\/p>\n<h3 id=\"1-%e7%9b%a3%e6%8e%a7-redis-%e5%af%a6%e4%be%8b%e7%9a%84%e5%81%a5%e5%ba%b7%e7%8b%80%e6%85%8b-rJLZKfhXjp\">1. \u76e3\u63a7 Redis \u5be6\u4f8b\u7684\u5065\u5eb7\u72c0\u614b<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u5be6\u6642\u76e3\u63a7 Redis \u5be6\u4f8b\u7684\u5065\u5eb7\u72c0\u614b\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u63d0\u4f9b\u7684 <code>INFO<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u5be6\u4f8b\u7684\u904b\u884c\u72c0\u614b\uff0c\u4e26\u6839\u64da\u8fd4\u56de\u7684\u6578\u64da\u5224\u65b7\u5be6\u4f8b\u662f\u5426\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<pre><code>redis-cli INFO<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e7%8f%be%e8%b2%a0%e8%bc%89%e5%9d%87%e8%a1%a1-rJLZKfhXjp\">2. \u5be6\u73fe\u8ca0\u8f09\u5747\u8861<\/h3>\n<p>\u5728\u591a\u500b Redis \u5be6\u4f8b\u4e4b\u9593\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u958b\u6e90\u7684\u8ca0\u8f09\u5747\u8861\u5de5\u5177\uff0c\u5982 <code>HAProxy<\/code> \u6216 <code>nginx<\/code>\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u6839\u64da\u8acb\u6c42\u7684\u6578\u91cf\u548c\u5be6\u4f8b\u7684\u5065\u5eb7\u72c0\u614b\uff0c\u81ea\u52d5\u5c07\u8acb\u6c42\u5206\u767c\u5230\u4e0d\u540c\u7684 Redis \u5be6\u4f8b\u4e0a\u3002<\/p>\n<h3 id=\"3-%e6%95%85%e9%9a%9c%e8%bd%89%e7%a7%bb%e6%a9%9f%e5%88%b6-rJLZKfhXjp\">3. \u6545\u969c\u8f49\u79fb\u6a5f\u5236<\/h3>\n<p>\u7576\u76e3\u63a7\u7cfb\u7d71\u6aa2\u6e2c\u5230\u67d0\u500b Redis \u5be6\u4f8b\u6545\u969c\u6642\uff0c\u9700\u8981\u7acb\u5373\u5207\u63db\u5230\u5176\u4ed6\u53ef\u7528\u7684\u5be6\u4f8b\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u6545\u969c\u8f49\u79fb\u7684\u76e3\u63a7\u7cfb\u7d71\u4f86\u5be6\u73fe\uff0c\u7576\u6aa2\u6e2c\u5230\u6545\u969c\u6642\uff0c\u81ea\u52d5\u66f4\u65b0\u61c9\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\uff0c\u6307\u5411\u65b0\u7684 Redis \u5be6\u4f8b\u3002<\/p>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7%e7%ae%a1%e7%90%86-rJLZKfhXjp\">4. \u6578\u64da\u4e00\u81f4\u6027\u7ba1\u7406<\/h3>\n<p>\u5728\u591a\u500b Redis \u5be6\u4f8b\u4e4b\u9593\u5207\u63db\u6642\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <code>Redis Sentinel<\/code> \u4f86\u7ba1\u7406\u4e3b\u5f9e\u8907\u88fd\uff0c\u78ba\u4fdd\u6578\u64da\u5728\u4e0d\u540c\u5be6\u4f8b\u4e4b\u9593\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-rJLZKfhXjp\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u5728 Node.js \u4e2d\u5be6\u73fe Redis \u6578\u64da\u6e90\u7684\u52d5\u614b\u5207\u63db\uff1a<\/p>\n<pre><code>const Redis = require('ioredis');\n\nlet redisInstances = [\n    new Redis({ host: '127.0.0.1', port: 6379 }),\n    new Redis({ host: '127.0.0.2', port: 6379 })\n];\n\nlet currentInstance = redisInstances[0];\n\nasync function getData(key) {\n    try {\n        return await currentInstance.get(key);\n    } catch (error) {\n        console.error('Error accessing Redis:', error);\n        \/\/ \u5207\u63db\u5230\u4e0b\u4e00\u500b\u5be6\u4f8b\n        currentInstance = redisInstances[1];\n        return await currentInstance.get(key);\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-rJLZKfhXjp\">\u7d50\u8ad6<\/h2>\n<p>\u52d5\u614b\u512a\u5316 Redis \u6578\u64da\u6e90\u7684\u5207\u63db\u7b56\u7565\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u6709\u6548\u5730\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u3002\u901a\u904e\u76e3\u63a7\u3001\u8ca0\u8f09\u5747\u8861\u3001\u6545\u969c\u8f49\u79fb\u548c\u6578\u64da\u4e00\u81f4\u6027\u7ba1\u7406\u7b49\u624b\u6bb5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u6e90\u5207\u63db\uff0c\u5f9e\u800c\u6eff\u8db3\u4e0d\u65b7\u8b8a\u5316\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\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\u52d5\u614b\u512a\u5316 Redis \u6578\u64da\u6e90\u7684\u5207\u63db\u7b56\u7565\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u8207\u8a2a\u554f\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-154385","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154385","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=154385"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154385\/revisions"}],"predecessor-version":[{"id":154386,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154385\/revisions\/154386"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}