{"id":123697,"date":"2024-10-25T14:01:20","date_gmt":"2024-10-25T06:01:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/123697\/"},"modified":"2024-10-25T14:01:20","modified_gmt":"2024-10-25T06:01:20","slug":"redis-%e9%9b%86%e7%be%a4%e5%82%be%e6%96%9c%e8%aa%bf%e6%95%b4%e5%84%aa%e5%8c%96%e5%a6%99%e6%8b%9b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/123697\/","title":{"rendered":"Redis \u96c6\u7fa4\u50be\u659c\u8abf\u6574\u512a\u5316\u5999\u62db"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e5%82%be%e6%96%9c%e8%aa%bf%e6%95%b4%e5%84%aa%e5%8c%96%e5%a6%99%e6%8b%9b-wuNgaPwzkX\">Redis \u96c6\u7fa4\u50be\u659c\u8abf\u6574\u512a\u5316\u5999\u62db<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u7528\u6236\u8acb\u6c42\u7684\u589e\u52a0\uff0cRedis \u96c6\u7fa4\u53ef\u80fd\u6703\u51fa\u73fe\u50be\u659c\u554f\u984c\uff0c\u5c0e\u81f4\u67d0\u4e9b\u7bc0\u9ede\u7684\u8ca0\u8f09\u904e\u91cd\uff0c\u800c\u5176\u4ed6\u7bc0\u9ede\u5247\u76f8\u5c0d\u9592\u7f6e\u3002\u9019\u7a2e\u60c5\u6cc1\u4e0d\u50c5\u5f71\u97ff\u6027\u80fd\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u4e0b\u964d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u512a\u5316 Redis \u96c6\u7fa4\u50be\u659c\u7684\u5999\u62db\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e9%9b%86%e7%be%a4%e5%82%be%e6%96%9c%ef%bc%9f-wuNgaPwzkX\">\u4ec0\u9ebc\u662f Redis \u96c6\u7fa4\u50be\u659c\uff1f<\/h2>\n<p>Redis \u96c6\u7fa4\u50be\u659c\u662f\u6307\u5728\u96c6\u7fa4\u4e2d\uff0c\u67d0\u4e9b\u7bc0\u9ede\u7684\u6578\u64da\u6216\u8acb\u6c42\u8ca0\u8f09\u660e\u986f\u9ad8\u65bc\u5176\u4ed6\u7bc0\u9ede\u7684\u60c5\u6cc1\u3002\u9019\u7a2e\u4e0d\u5747\u8861\u7684\u8ca0\u8f09\u5206\u914d\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\uff0c\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u53ef\u7528\u6027\u3002\u50be\u659c\u7684\u539f\u56e0\u53ef\u80fd\u5305\u62ec\u6578\u64da\u5206\u4f48\u4e0d\u5747\u3001\u8acb\u6c42\u6a21\u5f0f\u4e0d\u5747\u52fb\u7b49\u3002<\/p>\n<h2 id=\"%e5%82%be%e6%96%9c%e7%9a%84%e5%8e%9f%e5%9b%a0-wuNgaPwzkX\">\u50be\u659c\u7684\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u5206\u4f48\u4e0d\u5747\uff1a<\/strong>\u5982\u679c\u67d0\u4e9b\u9375\u7684\u8a2a\u554f\u983b\u7387\u9060\u9ad8\u65bc\u5176\u4ed6\u9375\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u7279\u5b9a\u7bc0\u9ede\u7684\u8ca0\u8f09\u904e\u91cd\u3002<\/li>\n<li><strong>\u8acb\u6c42\u6a21\u5f0f\u4e0d\u5747\uff1a<\/strong>\u67d0\u4e9b\u61c9\u7528\u53ef\u80fd\u6703\u96c6\u4e2d\u8a2a\u554f\u7279\u5b9a\u7684\u6578\u64da\uff0c\u9020\u6210\u8acb\u6c42\u7684\u96c6\u4e2d\u3002<\/li>\n<li><strong>\u96c6\u7fa4\u914d\u7f6e\u4e0d\u7576\uff1a<\/strong>\u4e0d\u5408\u7406\u7684\u5206\u7247\u7b56\u7565\u6216\u7bc0\u9ede\u914d\u7f6e\u53ef\u80fd\u5c0e\u81f4\u8ca0\u8f09\u4e0d\u5747\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96-redis-%e9%9b%86%e7%be%a4%e5%82%be%e6%96%9c%e7%9a%84%e5%a6%99%e6%8b%9b-wuNgaPwzkX\">\u512a\u5316 Redis \u96c6\u7fa4\u50be\u659c\u7684\u5999\u62db<\/h2>\n<h3 id=\"1-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%88%86%e4%bd%88-wuNgaPwzkX\">1. \u8abf\u6574\u6578\u64da\u5206\u4f48<\/h3>\n<p>\u70ba\u4e86\u6e1b\u5c11\u50be\u659c\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u6578\u64da\u7684\u5206\u4f48\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u63d0\u4f9b\u7684\u547d\u4ee4\u4f86\u67e5\u770b\u6bcf\u500b\u7bc0\u9ede\u7684\u6578\u64da\u91cf\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>redis-cli cluster info<\/code><\/pre>\n<p>\u6839\u64da\u9019\u4e9b\u4fe1\u606f\uff0c\u53ef\u4ee5\u8003\u616e\u91cd\u65b0\u5206\u914d\u67d0\u4e9b\u9375\uff0c\u5c07\u9ad8\u983b\u8a2a\u554f\u7684\u9375\u5206\u6563\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\u4e0a\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u67d0\u4e00\u7bc0\u9ede\u7684\u8ca0\u8f09\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%93%88%e5%b8%8c%e6%a7%bd-wuNgaPwzkX\">2. \u4f7f\u7528\u54c8\u5e0c\u69fd<\/h3>\n<p>Redis \u96c6\u7fa4\u4f7f\u7528\u54c8\u5e0c\u69fd\u4f86\u5206\u914d\u6578\u64da\u3002\u6bcf\u500b\u9375\u5728\u5b58\u5132\u6642\u6703\u88ab\u6620\u5c04\u5230\u4e00\u500b\u54c8\u5e0c\u69fd\u4e2d\u3002\u901a\u904e\u5408\u7406\u8a2d\u8a08\u54c8\u5e0c\u51fd\u6578\uff0c\u53ef\u4ee5\u4f7f\u6578\u64da\u66f4\u5747\u52fb\u5730\u5206\u4f48\u5728\u5404\u500b\u69fd\u4e2d\uff0c\u5f9e\u800c\u6e1b\u5c11\u50be\u659c\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<pre><code>function hashSlot(key) {\n    return key.hashCode() % 16384; \/\/ 16384 \u662f Redis \u7684\u54c8\u5e0c\u69fd\u6578\u91cf\n}<\/code><\/pre>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4%e8%ab%8b%e6%b1%82%e6%a8%a1%e5%bc%8f-wuNgaPwzkX\">3. \u76e3\u63a7\u548c\u8abf\u6574\u8acb\u6c42\u6a21\u5f0f<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7 Redis \u7684\u6027\u80fd\u6307\u6a19\uff0c\u7279\u5225\u662f\u8acb\u6c42\u7684\u5206\u4f48\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u6162\u67e5\u8a62\u65e5\u8a8c\u4f86\u8b58\u5225\u9ad8\u983b\u8acb\u6c42\uff0c\u4e26\u8003\u616e\u5c0d\u9019\u4e9b\u8acb\u6c42\u9032\u884c\u512a\u5316\uff0c\u4f8b\u5982\u4f7f\u7528\u7de9\u5b58\u6216\u6279\u91cf\u8655\u7406\u3002<\/p>\n<h3 id=\"4-%e5%a2%9e%e5%8a%a0%e7%af%80%e9%bb%9e%e6%95%b8%e9%87%8f-wuNgaPwzkX\">4. \u589e\u52a0\u7bc0\u9ede\u6578\u91cf<\/h3>\n<p>\u5982\u679c\u96c6\u7fa4\u7684\u8ca0\u8f09\u6301\u7e8c\u904e\u9ad8\uff0c\u8003\u616e\u589e\u52a0\u66f4\u591a\u7684\u7bc0\u9ede\u4f86\u5206\u64d4\u8ca0\u8f09\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6574\u9ad4\u7684\u8655\u7406\u80fd\u529b\uff0c\u4e26\u6e1b\u5c11\u55ae\u500b\u7bc0\u9ede\u7684\u58d3\u529b\u3002<\/p>\n<h3 id=\"5-%e4%bd%bf%e7%94%a8-redis-cluster-%e7%9a%84%e9%87%8d%e5%88%86%e7%89%87%e5%8a%9f%e8%83%bd-wuNgaPwzkX\">5. \u4f7f\u7528 Redis Cluster \u7684\u91cd\u5206\u7247\u529f\u80fd<\/h3>\n<p>Redis Cluster \u63d0\u4f9b\u4e86\u91cd\u5206\u7247\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u904b\u884c\u6642\u52d5\u614b\u8abf\u6574\u54c8\u5e0c\u69fd\u7684\u5206\u914d\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u767c\u73fe\u50be\u659c\u6642\uff0c\u53ca\u6642\u9032\u884c\u8abf\u6574\uff0c\u4fdd\u6301\u96c6\u7fa4\u7684\u5e73\u8861\u3002<\/p>\n<pre><code>redis-cli cluster reshard<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-wuNgaPwzkX\">\u7d50\u8ad6<\/h2>\n<p>Redis \u96c6\u7fa4\u7684\u50be\u659c\u554f\u984c\u662f\u5f71\u97ff\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\uff0c\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u5206\u4f48\u3001\u76e3\u63a7\u8acb\u6c42\u6a21\u5f0f\u3001\u589e\u52a0\u7bc0\u9ede\u6578\u91cf\u4ee5\u53ca\u4f7f\u7528\u91cd\u5206\u7247\u529f\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u512a\u5316\u96c6\u7fa4\u7684\u6027\u80fd\u3002\u6301\u7e8c\u95dc\u6ce8\u96c6\u7fa4\u7684\u904b\u884c\u72c0\u6cc1\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\uff0c\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/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\u7d22Redis\u96c6\u7fa4\u50be\u659c\u8abf\u6574\u7684\u6700\u4f73\u5be6\u8e10\u8207\u512a\u5316\u6280\u5de7\uff0c\u63d0\u5347\u6027\u80fd\u8207\u8cc7\u6e90\u5229\u7528\u7387\uff0c\u78ba\u4fdd\u9ad8\u6548\u6578\u64da\u8655\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-123697","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123697","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=123697"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123697\/revisions"}],"predecessor-version":[{"id":123698,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123697\/revisions\/123698"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=123697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=123697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=123697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}