{"id":159207,"date":"2024-11-03T12:29:20","date_gmt":"2024-11-03T04:29:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159207\/"},"modified":"2024-11-03T12:29:21","modified_gmt":"2024-11-03T04:29:21","slug":"%e7%b4%85%e8%89%b2%e7%9a%84%e7%af%80%e9%bb%9e%e5%b0%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a7%bd%e7%9a%84%e4%bd%9c%e7%94%a8%ef%bc%88redis-%e7%af%80%e9%bb%9e%e8%88%87%e6%a7%bd%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159207\/","title":{"rendered":"\u7d05\u8272\u7684\u7bc0\u9ede\u5c0d\u6578\u64da\u5eab\u69fd\u7684\u4f5c\u7528\uff08Redis \u7bc0\u9ede\u8207\u69fd\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e7%9a%84%e7%af%80%e9%bb%9e%e5%b0%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a7%bd%e7%9a%84%e4%bd%9c%e7%94%a8%ef%bc%88redis-%e7%af%80%e9%bb%9e%e8%88%87%e6%a7%bd%ef%bc%89-SdjLweYSzq\">\u7d05\u8272\u7684\u7bc0\u9ede\u5c0d\u6578\u64da\u5eab\u69fd\u7684\u4f5c\u7528\uff08Redis \u7bc0\u9ede\u8207\u69fd\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u8655\u7406\u74b0\u5883\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\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\u3002Redis \u7684\u5206\u4f48\u5f0f\u67b6\u69cb\u4f7f\u5176\u80fd\u5920\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u5206\u914d\u6578\u64da\uff0c\u9019\u4e00\u904e\u7a0b\u4e2d\uff0c\u7bc0\u9ede\u8207\u69fd\u7684\u6982\u5ff5\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u7d05\u8272\u7684\u7bc0\u9ede\u5c0d\u6578\u64da\u5eab\u69fd\u7684\u4f5c\u7528\uff0c\u4e26\u5206\u6790\u5176\u5728 Redis \u4e2d\u7684\u904b\u4f5c\u539f\u7406\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%9e%b6%e6%a7%8b-SdjLweYSzq\">Redis \u7684\u57fa\u672c\u67b6\u69cb<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5176\u6838\u5fc3\u67b6\u69cb\u7531\u4e3b\u7bc0\u9ede\u548c\u5f9e\u7bc0\u9ede\u7d44\u6210\uff0c\u4e3b\u7bc0\u9ede\u8ca0\u8cac\u5beb\u5165\u64cd\u4f5c\uff0c\u800c\u5f9e\u7bc0\u9ede\u5247\u7528\u65bc\u8b80\u53d6\u64cd\u4f5c\u548c\u6578\u64da\u5099\u4efd\u3002\u9019\u7a2e\u4e3b\u5f9e\u67b6\u69cb\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u589e\u5f37\u4e86\u7cfb\u7d71\u7684\u64f4\u5c55\u6027\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e7%9a%84%e6%a6%82%e5%bf%b5-SdjLweYSzq\">\u69fd\u7684\u6982\u5ff5<\/h2>\n<p>\u5728 Redis \u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u69fd\uff08slot\uff09\u662f\u7528\u4f86\u7ba1\u7406\u6578\u64da\u5206\u4f48\u7684\u57fa\u672c\u55ae\u4f4d\u3002Redis Cluster \u5c07\u6578\u64da\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 Redis \u80fd\u5920\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u5747\u52fb\u5206\u914d\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u5b58\u53d6\u6548\u7387\u3002<\/p>\n<h3 id=\"%e6%a7%bd%e7%9a%84%e5%88%86%e9%85%8d-SdjLweYSzq\">\u69fd\u7684\u5206\u914d<\/h3>\n<p>\u7576\u4e00\u500b\u9375\u88ab\u5beb\u5165 Redis \u6642\uff0c\u7cfb\u7d71\u6703\u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u8a08\u7b97\u51fa\u5176\u5c0d\u61c9\u7684\u69fd\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u53ef\u4ee5\u8a08\u7b97\u4e00\u500b\u9375\u7684\u69fd\uff1a<\/p>\n<pre><code>def get_slot(key):\n    return hash(key) % 16384\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u901a\u904e\u5c0d\u9375\u9032\u884c\u54c8\u5e0c\u8a08\u7b97\uff0c\u7136\u5f8c\u53d6\u6a21 16384\uff0c\u5f9e\u800c\u7372\u5f97\u8a72\u9375\u6240\u5c6c\u7684\u69fd\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u78ba\u4fdd\u4e86\u6578\u64da\u5728\u4e0d\u540c\u7bc0\u9ede\u4e4b\u9593\u7684\u5747\u52fb\u5206\u4f48\u3002<\/p>\n<h2 id=\"%e7%b4%85%e8%89%b2%e7%9a%84%e7%af%80%e9%bb%9e%e8%88%87%e6%a7%bd%e7%9a%84%e9%97%9c%e4%bf%82-SdjLweYSzq\">\u7d05\u8272\u7684\u7bc0\u9ede\u8207\u69fd\u7684\u95dc\u4fc2<\/h2>\n<p>\u5728 Redis Cluster \u4e2d\uff0c\u7d05\u8272\u7684\u7bc0\u9ede\u901a\u5e38\u6307\u7684\u662f\u90a3\u4e9b\u8ca0\u8cac\u7279\u5b9a\u69fd\u7684\u4e3b\u7bc0\u9ede\u3002\u6bcf\u500b\u4e3b\u7bc0\u9ede\u6703\u7ba1\u7406\u4e00\u5b9a\u7bc4\u570d\u7684\u69fd\uff0c\u4e26\u8ca0\u8cac\u9019\u4e9b\u69fd\u4e2d\u6578\u64da\u7684\u8b80\u5beb\u64cd\u4f5c\u3002\u7576\u4e00\u500b\u4e3b\u7bc0\u9ede\u6545\u969c\u6642\uff0cRedis Cluster \u6703\u81ea\u52d5\u5c07\u5176\u8ca0\u8cac\u7684\u69fd\u8f49\u79fb\u5230\u5176\u4ed6\u5065\u5eb7\u7684\u7bc0\u9ede\u4e0a\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<h3 id=\"%e7%af%80%e9%bb%9e%e7%9a%84%e8%a7%92%e8%89%b2-SdjLweYSzq\">\u7bc0\u9ede\u7684\u89d2\u8272<\/h3>\n<ul>\n<li><strong>\u4e3b\u7bc0\u9ede\uff1a<\/strong>\u8ca0\u8cac\u6578\u64da\u7684\u5beb\u5165\u548c\u8b80\u53d6\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u5f9e\u7bc0\u9ede\uff1a<\/strong>\u7528\u65bc\u6578\u64da\u7684\u5099\u4efd\u548c\u8b80\u53d6\u64cd\u4f5c\uff0c\u4e26\u96a8\u6642\u6e96\u5099\u63a5\u7ba1\u4e3b\u7bc0\u9ede\u7684\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n<p>\u9019\u7a2e\u4e3b\u5f9e\u7d50\u69cb\u4f7f\u5f97 Redis \u80fd\u5920\u5728\u9ad8\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\u4ecd\u7136\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\uff0c\u4e26\u4e14\u80fd\u5920\u5feb\u901f\u6062\u5fa9\u6545\u969c\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e7%9a%84%e9%87%8d%e6%96%b0%e5%88%86%e9%85%8d-SdjLweYSzq\">\u6578\u64da\u7684\u91cd\u65b0\u5206\u914d<\/h2>\n<p>\u96a8\u8457\u7cfb\u7d71\u7684\u64f4\u5c55\uff0c\u53ef\u80fd\u9700\u8981\u5c0d\u69fd\u9032\u884c\u91cd\u65b0\u5206\u914d\u3002Redis \u63d0\u4f9b\u4e86 <code>CLUSTER REBALANCE<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u901a\u904e\u9019\u500b\u547d\u4ee4\uff0c\u7cfb\u7d71\u53ef\u4ee5\u81ea\u52d5\u5c07\u69fd\u91cd\u65b0\u5206\u914d\u5230\u65b0\u7684\u7bc0\u9ede\u4e0a\uff0c\u4ee5\u9054\u5230\u8ca0\u8f09\u5747\u8861\u7684\u76ee\u7684\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-SdjLweYSzq\">\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 <code>CLUSTER REBALANCE<\/code> \u547d\u4ee4\uff1a<\/p>\n<pre><code>CLUSTER REBALANCE \n<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5c07\u6307\u5b9a\u7bc0\u9ede\u7684\u69fd\u91cd\u65b0\u5206\u914d\u5230\u5176\u4ed6\u7bc0\u9ede\u4e0a\uff0c\u5f9e\u800c\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SdjLweYSzq\">\u7e3d\u7d50<\/h2>\n<p>\u7d05\u8272\u7684\u7bc0\u9ede\u5728 Redis \u7684\u5206\u4f48\u5f0f\u67b6\u69cb\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u901a\u904e\u69fd\u7684\u7ba1\u7406\u548c\u6578\u64da\u7684\u5747\u52fb\u5206\u4f48\uff0cRedis \u80fd\u5920\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u548c\u9ad8\u53ef\u7528\u6027\u3002\u4e86\u89e3\u9019\u4e9b\u6982\u5ff5\u5c0d\u65bc\u8a2d\u8a08\u548c\u7dad\u8b77\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u6216\u5176\u4ed6\u76f8\u95dc\u670d\u52d9\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u7d05\u8272\u7bc0\u9ede\u5728 Redis \u4e2d\u5982\u4f55\u7ba1\u7406\u6578\u64da\u5eab\u69fd\uff0c\u63d0\u5347\u6578\u64da\u5206\u914d\u8207\u5b58\u53d6\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\u8207\u64f4\u5c55\u6027\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-159207","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159207","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=159207"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159207\/revisions"}],"predecessor-version":[{"id":159208,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159207\/revisions\/159208"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}