{"id":164057,"date":"2024-11-05T04:40:25","date_gmt":"2024-11-04T20:40:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/164057\/"},"modified":"2024-11-05T04:40:26","modified_gmt":"2024-11-04T20:40:26","slug":"%e8%a7%a3%e6%9e%90redis%e6%b0%b4%e5%b9%b3%e6%93%b4%e5%ae%b9%e7%9a%84%e5%8e%9f%e7%90%86%ef%bc%88redis%e6%b0%b4%e5%b9%b3%e6%93%b4%e5%ae%b9%e5%8e%9f%e7%90%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/164057\/","title":{"rendered":"\u89e3\u6790Redis\u6c34\u5e73\u64f4\u5bb9\u7684\u539f\u7406\uff08redis\u6c34\u5e73\u64f4\u5bb9\u539f\u7406\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%9e%90redis%e6%b0%b4%e5%b9%b3%e6%93%b4%e5%ae%b9%e7%9a%84%e5%8e%9f%e7%90%86-IWaAOgZUMp\">\u89e3\u6790Redis\u6c34\u5e73\u64f4\u5bb9\u7684\u539f\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u64f4\u5c55Redis\u7684\u6027\u80fd\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u7cfb\u7d71\u67b6\u69cb\u5e2b\u9700\u8981\u9762\u5c0d\u7684\u91cd\u8981\u6311\u6230\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u6c34\u5e73\u64f4\u5bb9\u539f\u7406\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5982\u4f55\u901a\u904e\u64f4\u5c55\u7bc0\u9ede\u4f86\u63d0\u5347\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%b0%b4%e5%b9%b3%e6%93%b4%e5%ae%b9%ef%bc%9f-IWaAOgZUMp\">\u4ec0\u9ebc\u662f\u6c34\u5e73\u64f4\u5bb9\uff1f<\/h2>\n<p>\u6c34\u5e73\u64f4\u5bb9\uff08Horizontal Scaling\uff09\u662f\u6307\u901a\u904e\u589e\u52a0\u66f4\u591a\u7684\u4f3a\u670d\u5668\u6216\u7bc0\u9ede\u4f86\u64f4\u5c55\u7cfb\u7d71\u7684\u80fd\u529b\u3002\u8207\u4e4b\u76f8\u5c0d\u7684\u662f\u5782\u76f4\u64f4\u5bb9\uff08Vertical Scaling\uff09\uff0c\u5373\u901a\u904e\u63d0\u5347\u55ae\u4e00\u4f3a\u670d\u5668\u7684\u786c\u9ad4\u914d\u7f6e\u4f86\u589e\u5f37\u6027\u80fd\u3002\u5c0d\u65bcRedis\u4f86\u8aaa\uff0c\u6c34\u5e73\u64f4\u5bb9\u80fd\u5920\u66f4\u9748\u6d3b\u5730\u61c9\u5c0d\u6d41\u91cf\u7684\u8b8a\u5316\uff0c\u4e26\u4e14\u5728\u6210\u672c\u4e0a\u901a\u5e38\u66f4\u5177\u512a\u52e2\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%88%86%e7%89%87%e6%a9%9f%e5%88%b6-IWaAOgZUMp\">Redis\u7684\u5206\u7247\u6a5f\u5236<\/h2>\n<p>Redis\u5be6\u73fe\u6c34\u5e73\u64f4\u5bb9\u7684\u4e3b\u8981\u65b9\u5f0f\u662f\u901a\u904e\u5206\u7247\uff08Sharding\uff09\u4f86\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\u3002\u9019\u6a23\u505a\u7684\u597d\u8655\u5728\u65bc\u53ef\u4ee5\u5c07\u8b80\u5beb\u8ca0\u8f09\u5206\u6563\u5230\u4e0d\u540c\u7684\u4f3a\u670d\u5668\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7684\u8655\u7406\u80fd\u529b\u3002<\/p>\n<h3 id=\"%e5%88%86%e7%89%87%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-IWaAOgZUMp\">\u5206\u7247\u7684\u57fa\u672c\u539f\u7406<\/h3>\n<p>Redis\u7684\u5206\u7247\u901a\u5e38\u662f\u57fa\u65bc\u54c8\u5e0c\u7b97\u6cd5\u4f86\u5be6\u73fe\u7684\u3002\u7576\u4e00\u500b\u9375\u88ab\u5beb\u5165Redis\u6642\uff0c\u7cfb\u7d71\u6703\u4f7f\u7528\u54c8\u5e0c\u51fd\u6578\u8a08\u7b97\u51fa\u8a72\u9375\u7684\u54c8\u5e0c\u503c\uff0c\u7136\u5f8c\u6839\u64da\u9019\u500b\u54c8\u5e0c\u503c\u5c07\u6578\u64da\u5206\u914d\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\u4e0a\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nfunction getShard(key) {\n    const hash = hashFunction(key);\n    return hash % numberOfShards;\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c`hashFunction`\u662f\u7528\u4f86\u8a08\u7b97\u9375\u7684\u54c8\u5e0c\u503c\u7684\u51fd\u6578\uff0c\u800c`numberOfShards`\u5247\u662f\u7576\u524d\u7cfb\u7d71\u4e2d\u7bc0\u9ede\u7684\u6578\u91cf\u3002\u9019\u6a23\uff0c\u901a\u904e\u7c21\u55ae\u7684\u6578\u5b78\u904b\u7b97\uff0cRedis\u80fd\u5920\u5feb\u901f\u78ba\u5b9a\u6578\u64da\u61c9\u8a72\u5b58\u5132\u5728\u54ea\u500b\u7bc0\u9ede\u4e0a\u3002<\/p>\n<h3 id=\"redis-cluster-IWaAOgZUMp\">Redis Cluster<\/h3>\n<p>Redis Cluster\u662fRedis\u5b98\u65b9\u63d0\u4f9b\u7684\u4e00\u7a2e\u5206\u4f48\u5f0f\u89e3\u6c7a\u65b9\u6848\uff0c\u652f\u6301\u81ea\u52d5\u5206\u7247\u548c\u6545\u969c\u8f49\u79fb\u3002\u5b83\u5141\u8a31\u7528\u6236\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e4b\u9593\u81ea\u52d5\u5206\u914d\u6578\u64da\uff0c\u4e26\u4e14\u80fd\u5920\u5728\u67d0\u4e9b\u7bc0\u9ede\u5931\u6548\u7684\u60c5\u6cc1\u4e0b\u81ea\u52d5\u9032\u884c\u6545\u969c\u8f49\u79fb\u3002\u9019\u4f7f\u5f97Redis Cluster\u6210\u70ba\u5be6\u73fe\u6c34\u5e73\u64f4\u5bb9\u7684\u4e00\u500b\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h4 id=\"redis-cluster%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-IWaAOgZUMp\">Redis Cluster\u7684\u5de5\u4f5c\u539f\u7406<\/h4>\n<ul>\n<li><strong>\u6578\u64da\u5206\u7247\uff1a<\/strong>Redis Cluster\u5c07\u6578\u64da\u5206\u70ba16384\u500b\u69fd\uff08slots\uff09\uff0c\u6bcf\u500b\u9375\u90fd\u6703\u88ab\u6620\u5c04\u5230\u9019\u4e9b\u69fd\u4e2d\u7684\u4e00\u500b\u3002\u6bcf\u500b\u7bc0\u9ede\u8ca0\u8cac\u4e00\u90e8\u5206\u69fd\uff0c\u9019\u6a23\u53ef\u4ee5\u5be6\u73fe\u6578\u64da\u7684\u5747\u52fb\u5206\u4f48\u3002<\/li>\n<li><strong>\u6545\u969c\u8f49\u79fb\uff1a<\/strong>\u7576\u4e00\u500b\u4e3b\u7bc0\u9ede\u5931\u6548\u6642\uff0cRedis Cluster\u6703\u81ea\u52d5\u9078\u8209\u4e00\u500b\u5f9e\u7bc0\u9ede\u4f5c\u70ba\u65b0\u7684\u4e3b\u7bc0\u9ede\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n<li><strong>\u5ba2\u6236\u7aef\u652f\u6301\uff1a<\/strong>Redis\u7684\u5ba2\u6236\u7aef\u9700\u8981\u652f\u6301Cluster\u6a21\u5f0f\uff0c\u4ee5\u4fbf\u80fd\u5920\u6b63\u78ba\u5730\u8207\u96c6\u7fa4\u4e2d\u7684\u4e0d\u540c\u7bc0\u9ede\u9032\u884c\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b0%b4%e5%b9%b3%e6%93%b4%e5%ae%b9%e7%9a%84%e6%8c%91%e6%88%b0-IWaAOgZUMp\">\u6c34\u5e73\u64f4\u5bb9\u7684\u6311\u6230<\/h2>\n<p>\u5118\u7ba1Redis\u7684\u6c34\u5e73\u64f4\u5bb9\u63d0\u4f9b\u4e86\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u4e5f\u9762\u81e8\u4e00\u4e9b\u6311\u6230\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u5982\u4f55\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u4e00\u500b\u91cd\u8981\u554f\u984c\u3002Redis Cluster\u901a\u904e\u4e3b\u5f9e\u8907\u88fd\u4f86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u4f46\u4ecd\u7136\u9700\u8981\u8003\u616e\u7db2\u7d61\u5ef6\u9072\u548c\u5206\u5340\u5bb9\u5fcd\u6027\u3002<\/li>\n<li><strong>\u904b\u7dad\u8907\u96dc\u6027\uff1a<\/strong>\u96a8\u8457\u7bc0\u9ede\u6578\u91cf\u7684\u589e\u52a0\uff0c\u7cfb\u7d71\u7684\u904b\u7dad\u548c\u76e3\u63a7\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002\u9700\u8981\u6709\u6548\u7684\u5de5\u5177\u4f86\u7ba1\u7406\u548c\u76e3\u63a7\u96c6\u7fa4\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u6578\u64da\u91cd\u5206\u4f48\uff1a<\/strong>\u7576\u65b0\u589e\u6216\u522a\u9664\u7bc0\u9ede\u6642\uff0c\u6578\u64da\u9700\u8981\u91cd\u65b0\u5206\u4f48\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u77ed\u66ab\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IWaAOgZUMp\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684\u6c34\u5e73\u64f4\u5bb9\u539f\u7406\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5206\u7247\u6280\u8853\u548cRedis Cluster\u7684\u5be6\u73fe\u3002\u901a\u904e\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0cRedis\u80fd\u5920\u6709\u6548\u5730\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002\u7136\u800c\uff0c\u5be6\u73fe\u6c34\u5e73\u64f4\u5bb9\u4e5f\u4f34\u96a8\u8457\u6578\u64da\u4e00\u81f4\u6027\u3001\u904b\u7dad\u8907\u96dc\u6027\u7b49\u6311\u6230\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u64f4\u5bb9\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u5404\u7a2e\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u89e3\u6790Redis\u6c34\u5e73\u64f4\u5bb9\u7684\u539f\u7406\uff0c\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u5206\u7247\u6280\u8853\u63d0\u5347\u6027\u80fd\u8207\u53ef\u64f4\u5c55\u6027\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u7ba1\u7406\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-164057","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164057","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=164057"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164057\/revisions"}],"predecessor-version":[{"id":164058,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164057\/revisions\/164058"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=164057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=164057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=164057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}