{"id":97994,"date":"2024-10-20T22:53:15","date_gmt":"2024-10-20T14:53:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97994\/"},"modified":"2024-10-20T22:53:16","modified_gmt":"2024-10-20T14:53:16","slug":"redis-%e6%a7%bd%e4%bd%8d%e8%a7%a3%e6%9e%90%e5%ae%83%e7%9a%84%e7%a5%9e%e7%a7%98%e8%83%8c%e5%be%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97994\/","title":{"rendered":"Redis \u69fd\u4f4d\u89e3\u6790\u5b83\u7684\u795e\u79d8\u80cc\u5f8c"},"content":{"rendered":"<h1 id=\"redis-%e6%a7%bd%e4%bd%8d%e8%a7%a3%e6%9e%90%e5%ae%83%e7%9a%84%e7%a5%9e%e7%a7%98%e8%83%8c%e5%be%8c-fyZbcJyMrP\">Redis \u69fd\u4f4d\u89e3\u6790\u5b83\u7684\u795e\u79d8\u80cc\u5f8c<\/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\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u5b83\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u5728\u5404\u7a2e\u5834\u666f\u4e2d\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u8a31\u591a\u958b\u767c\u8005\u4f86\u8aaa\uff0cRedis \u7684\u5167\u90e8\u904b\u4f5c\uff0c\u7279\u5225\u662f\u5176\u69fd\u4f4d\uff08slot\uff09\u6a5f\u5236\uff0c\u4ecd\u7136\u662f\u4e00\u500b\u795e\u79d8\u7684\u9818\u57df\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u69fd\u4f4d\u7684\u6982\u5ff5\u53ca\u5176\u80cc\u5f8c\u7684\u904b\u4f5c\u539f\u7406\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e6%a7%bd%e4%bd%8d%ef%bc%9f-fyZbcJyMrP\">\u4ec0\u9ebc\u662f Redis \u69fd\u4f4d\uff1f<\/h2>\n<p>Redis \u69fd\u4f4d\u662f Redis Cluster \u4e2d\u7684\u4e00\u500b\u91cd\u8981\u6982\u5ff5\u3002Redis Cluster \u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u7684 Redis \u89e3\u6c7a\u65b9\u6848\uff0c\u5141\u8a31\u7528\u6236\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u5206\u6563\u6578\u64da\u3002\u69fd\u4f4d\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u5c07\u6578\u64da\u5206\u914d\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\u4e0a\uff0c\u4ee5\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<p>\u5728 Redis Cluster \u4e2d\uff0c\u6574\u500b\u9375\u7a7a\u9593\u88ab\u5283\u5206\u70ba 16384 \u500b\u69fd\u4f4d\u3002\u6bcf\u500b\u9375\u5728\u5b58\u5132\u6642\u6703\u88ab\u54c8\u5e0c\u5230\u9019\u4e9b\u69fd\u4f4d\u4e2d\u7684\u4e00\u500b\u3002\u9019\u610f\u5473\u8457\u6bcf\u500b\u9375\u90fd\u6703\u5c0d\u61c9\u5230\u4e00\u500b\u7279\u5b9a\u7684\u69fd\u4f4d\uff0c\u5f9e\u800c\u78ba\u5b9a\u5b83\u61c9\u8a72\u5b58\u5132\u5728\u54ea\u500b\u7bc0\u9ede\u4e0a\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e4%bd%8d%e7%9a%84%e9%81%8b%e4%bd%9c%e5%8e%9f%e7%90%86-fyZbcJyMrP\">\u69fd\u4f4d\u7684\u904b\u4f5c\u539f\u7406<\/h2>\n<p>Redis \u4f7f\u7528\u4e00\u500b\u7c21\u55ae\u7684\u54c8\u5e0c\u7b97\u6cd5\u4f86\u8a08\u7b97\u9375\u7684\u69fd\u4f4d\u3002\u5177\u9ad4\u4f86\u8aaa\uff0cRedis \u6703\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\uff1a<\/p>\n<pre><code>slot = hash(key) mod 16384<\/code><\/pre>\n<p>\u9019\u88e1\u7684 hash \u51fd\u6578\u662f Redis \u5167\u90e8\u5be6\u73fe\u7684\u4e00\u500b\u54c8\u5e0c\u7b97\u6cd5\u3002\u7576\u4e00\u500b\u9375\u88ab\u63d2\u5165\u5230 Redis \u4e2d\u6642\uff0c\u9019\u500b\u7b97\u6cd5\u6703\u8a08\u7b97\u51fa\u8a72\u9375\u5c0d\u61c9\u7684\u69fd\u4f4d\uff0c\u7136\u5f8c\u5c07\u6578\u64da\u5b58\u5132\u5230\u76f8\u61c9\u7684\u7bc0\u9ede\u4e0a\u3002<\/p>\n<h3 id=\"%e6%a7%bd%e4%bd%8d%e7%9a%84%e5%88%86%e9%85%8d%e8%88%87%e7%ae%a1%e7%90%86-fyZbcJyMrP\">\u69fd\u4f4d\u7684\u5206\u914d\u8207\u7ba1\u7406<\/h3>\n<p>\u5728 Redis Cluster \u4e2d\uff0c\u69fd\u4f4d\u7684\u5206\u914d\u662f\u52d5\u614b\u7684\u3002\u7576\u4e00\u500b\u65b0\u7684\u7bc0\u9ede\u88ab\u6dfb\u52a0\u5230\u96c6\u7fa4\u4e2d\uff0cRedis \u6703\u81ea\u52d5\u91cd\u65b0\u5206\u914d\u69fd\u4f4d\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5747\u52fb\u5206\u4f48\u3002\u9019\u4e00\u904e\u7a0b\u7a31\u70ba\u69fd\u4f4d\u91cd\u5206\u914d\uff08slot rebalancing\uff09\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e09\u500b\u7bc0\u9ede A\u3001B \u548c C\uff0c\u521d\u59cb\u6642\u6bcf\u500b\u7bc0\u9ede\u5404\u81ea\u64c1\u6709 5461 \u500b\u69fd\u4f4d\u3002\u5982\u679c\u6211\u5011\u6dfb\u52a0\u4e00\u500b\u65b0\u7684\u7bc0\u9ede D\uff0cRedis \u6703\u5c07\u90e8\u5206\u69fd\u4f4d\u5f9e A\u3001B \u548c C \u91cd\u65b0\u5206\u914d\u7d66 D\uff0c\u4ee5\u9054\u5230\u66f4\u597d\u7684\u8ca0\u8f09\u5747\u8861\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e4%bd%8d%e7%9a%84%e5%84%aa%e5%8b%a2-fyZbcJyMrP\">\u69fd\u4f4d\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u901a\u904e\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\uff0cRedis Cluster \u80fd\u5920\u5728\u67d0\u500b\u7bc0\u9ede\u5931\u6548\u6642\uff0c\u4f9d\u7136\u4fdd\u6301\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u3002<\/li>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>\u69fd\u4f4d\u7684\u52d5\u614b\u5206\u914d\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u5747\u52fb\u5206\u4f48\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u67d0\u4e9b\u7bc0\u9ede\u904e\u8f09\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u64f4\u5c55\u6027\uff1a<\/strong>\u96a8\u8457\u9700\u6c42\u7684\u589e\u9577\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u6dfb\u52a0\u65b0\u7684\u7bc0\u9ede\uff0cRedis \u6703\u81ea\u52d5\u8655\u7406\u69fd\u4f4d\u7684\u91cd\u65b0\u5206\u914d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-fyZbcJyMrP\">\u7d50\u8ad6<\/h2>\n<p>Redis \u69fd\u4f4d\u7684\u8a2d\u8a08\u4f7f\u5f97\u5176\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u80fd\u5920\u9ad8\u6548\u904b\u4f5c\u3002\u901a\u904e\u5c07\u6578\u64da\u5283\u5206\u70ba 16384 \u500b\u69fd\u4f4d\uff0cRedis \u80fd\u5920\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u3001\u8ca0\u8f09\u5747\u8861\u548c\u826f\u597d\u7684\u64f4\u5c55\u6027\u3002\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u7406\u89e3\u9019\u4e00\u6a5f\u5236\u4e0d\u50c5\u6709\u52a9\u65bc\u66f4\u597d\u5730\u4f7f\u7528 Redis\uff0c\u9084\u80fd\u5728\u8a2d\u8a08\u7cfb\u7d71\u67b6\u69cb\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe Redis \u6216\u8005\u9700\u8981\u66f4\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u69fd\u4f4d\u89e3\u6790\u7684\u6df1\u5c64\u6a5f\u5236\uff0c\u63ed\u793a\u5176\u80cc\u5f8c\u7684\u904b\u4f5c\u539f\u7406\u8207\u61c9\u7528\uff0c\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u5206\u4f48\u5f0f\u6578\u64da\u5b58\u5132\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-97994","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97994","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=97994"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97994\/revisions"}],"predecessor-version":[{"id":97995,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97994\/revisions\/97995"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}