{"id":98400,"date":"2024-10-21T02:17:16","date_gmt":"2024-10-20T18:17:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98400\/"},"modified":"2024-10-21T02:17:17","modified_gmt":"2024-10-20T18:17:17","slug":"redis-%e5%be%9e%e9%9b%b6%e9%96%8b%e5%a7%8b%e5%ad%b8%e7%bf%92%e6%a7%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98400\/","title":{"rendered":"Redis \u5f9e\u96f6\u958b\u59cb\u5b78\u7fd2\u69fd"},"content":{"rendered":"<h1 id=\"redis-%e5%be%9e%e9%9b%b6%e9%96%8b%e5%a7%8b%e5%ad%b8%e7%bf%92%e6%a7%bd-bDPickneMV\">Redis \u5f9e\u96f6\u958b\u59cb\u5b78\u7fd2\u69fd<\/h1>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u5b83\u7684\u9ad8\u6548\u6027\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u5728 Redis \u4e2d\uff0c\u69fd\uff08Slot\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528 Redis Cluster \u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u69fd\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%a7%bd%ef%bc%88slot%ef%bc%89-bDPickneMV\">\u4ec0\u9ebc\u662f\u69fd\uff08Slot\uff09<\/h2>\n<p>\u5728 Redis Cluster \u4e2d\uff0c\u69fd\u662f\u7528\u4f86\u5206\u914d\u548c\u7ba1\u7406\u6578\u64da\u7684\u4e00\u7a2e\u6a5f\u5236\u3002Redis Cluster \u5c07\u6574\u500b\u6578\u64da\u7a7a\u9593\u5283\u5206\u70ba 16384 \u500b\u69fd\uff0c\u6bcf\u500b\u9375\u90fd\u6703\u88ab\u6620\u5c04\u5230\u9019\u4e9b\u69fd\u4e2d\u7684\u4e00\u500b\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u6578\u64da\u53ef\u4ee5\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u9032\u884c\u5206\u4f48\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u6027\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-bDPickneMV\">\u69fd\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u7576\u4e00\u500b\u9375\u88ab\u63d2\u5165\u5230 Redis \u4e2d\u6642\uff0cRedis \u6703\u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u4f86\u78ba\u5b9a\u5b83\u6240\u5c6c\u7684\u69fd\u3002\u5177\u9ad4\u4f86\u8aaa\uff0cRedis \u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u4f86\u8a08\u7b97\u69fd\u7684\u7d22\u5f15\uff1a<\/p>\n<pre><code>slot = hash(key) % 16384<\/code><\/pre>\n<p>\u9019\u88e1\u7684 hash \u51fd\u6578\u662f Redis \u5167\u90e8\u5be6\u73fe\u7684\u54c8\u5e0c\u7b97\u6cd5\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u78ba\u4fdd\u4e86\u6bcf\u500b\u9375\u90fd\u80fd\u5747\u52fb\u5730\u5206\u4f48\u5728 16384 \u500b\u69fd\u4e2d\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u6578\u64da\u7684\u96c6\u4e2d\u5b58\u5132\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e7%9a%84%e5%88%86%e9%85%8d%e8%88%87%e7%ae%a1%e7%90%86-bDPickneMV\">\u69fd\u7684\u5206\u914d\u8207\u7ba1\u7406<\/h2>\n<p>\u5728 Redis Cluster \u4e2d\uff0c\u6bcf\u500b\u7bc0\u9ede\u8ca0\u8cac\u7ba1\u7406\u4e00\u5b9a\u6578\u91cf\u7684\u69fd\u3002\u7576\u4e00\u500b\u65b0\u7684\u7bc0\u9ede\u52a0\u5165\u96c6\u7fa4\u6642\uff0cRedis \u6703\u81ea\u52d5\u91cd\u65b0\u5206\u914d\u69fd\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5747\u8861\u5206\u4f48\u3002\u9019\u4e00\u904e\u7a0b\u7a31\u70ba\u69fd\u7684\u9077\u79fb\uff08Slot Migration\uff09\u3002<\/p>\n<ul>\n<li><strong>\u69fd\u7684\u9077\u79fb\uff1a<\/strong>\u7576\u4e00\u500b\u65b0\u7bc0\u9ede\u52a0\u5165\u6642\uff0cRedis \u6703\u9078\u64c7\u4e00\u4e9b\u69fd\u5f9e\u73fe\u6709\u7bc0\u9ede\u9077\u79fb\u5230\u65b0\u7bc0\u9ede\uff0c\u4ee5\u9054\u5230\u8ca0\u8f09\u5747\u8861\u7684\u76ee\u7684\u3002<\/li>\n<li><strong>\u6545\u969c\u8f49\u79fb\uff1a<\/strong>\u5982\u679c\u67d0\u500b\u7bc0\u9ede\u5931\u6548\uff0cRedis \u6703\u81ea\u52d5\u5c07\u8a72\u7bc0\u9ede\u8ca0\u8cac\u7684\u69fd\u91cd\u65b0\u5206\u914d\u7d66\u5176\u4ed6\u5065\u5eb7\u7684\u7bc0\u9ede\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e4%b8%ad%e7%9a%84%e6%a7%bd-bDPickneMV\">\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u69fd<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u7406\u89e3\u69fd\u7684\u6982\u5ff5\u5c0d\u65bc\u8a2d\u8a08\u9ad8\u6548\u7684 Redis Cluster \u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u901a\u904e\u69fd\u7684\u5206\u914d\u548c\u9077\u79fb\uff0cRedis Cluster \u80fd\u5920\u5728\u7bc0\u9ede\u6545\u969c\u6642\u81ea\u52d5\u6062\u5fa9\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\u3002<\/li>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>\u5408\u7406\u7684\u69fd\u5206\u914d\u53ef\u4ee5\u6709\u6548\u5730\u5206\u6563\u8acb\u6c42\u8ca0\u8f09\uff0c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u7247\uff1a<\/strong>\u69fd\u7684\u4f7f\u7528\u4f7f\u5f97\u6578\u64da\u53ef\u4ee5\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u9032\u884c\u5206\u7247\uff0c\u5f9e\u800c\u652f\u6301\u5927\u898f\u6a21\u6578\u64da\u7684\u5b58\u5132\u548c\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-bDPickneMV\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u69fd\u6a5f\u5236\u662f\u5176\u9ad8\u6548\u6027\u548c\u53ef\u64f4\u5c55\u6027\u7684\u95dc\u9375\u6240\u5728\u3002\u901a\u904e\u5408\u7406\u7684\u69fd\u5206\u914d\u548c\u7ba1\u7406\uff0cRedis Cluster \u80fd\u5920\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u548c\u8ca0\u8f09\u5747\u8861\uff0c\u6eff\u8db3\u73fe\u4ee3\u61c9\u7528\u5c0d\u6578\u64da\u5b58\u5132\u7684\u9700\u6c42\u3002\u5c0d\u65bc\u5e0c\u671b\u6df1\u5165\u4e86\u89e3 Redis \u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u69fd\u7684\u6982\u5ff5\u548c\u904b\u4f5c\u539f\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u642d\u5efa\u9ad8\u6548\u7684 Redis \u74b0\u5883\uff0c\u6eff\u8db3\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f9e\u96f6\u958b\u59cb\u5b78\u7fd2Redis\u69fd\uff0c\u638c\u63e1\u6578\u64da\u7d50\u69cb\u3001\u6027\u80fd\u512a\u5316\u53ca\u5be6\u969b\u61c9\u7528\uff0c\u63d0\u5347\u4f60\u7684\u6578\u64da\u5eab\u7ba1\u7406\u6280\u80fd\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-98400","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98400","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=98400"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98400\/revisions"}],"predecessor-version":[{"id":98401,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98400\/revisions\/98401"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}