{"id":124605,"date":"2024-10-25T15:36:23","date_gmt":"2024-10-25T07:36:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124605\/"},"modified":"2024-10-25T15:36:24","modified_gmt":"2024-10-25T07:36:24","slug":"redis-%e9%9b%86%e7%be%a4%e6%9c%89%e5%a4%9a%e5%b0%91%e5%8d%a1%e6%a7%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124605\/","title":{"rendered":"Redis \u96c6\u7fa4\u6709\u591a\u5c11\u5361\u69fd"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e6%9c%89%e5%a4%9a%e5%b0%91%e5%8d%a1%e6%a7%bd-gXYxBgUDev\">Redis \u96c6\u7fa4\u6709\u591a\u5c11\u5361\u69fd<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u55ae\u4e00\u7684 Redis \u5be6\u4f8b\u53ef\u80fd\u7121\u6cd5\u6eff\u8db3\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u7684\u9700\u6c42\uff0c\u56e0\u6b64 Redis \u96c6\u7fa4\u7684\u51fa\u73fe\u4fbf\u6210\u70ba\u4e86\u4e00\u7a2e\u89e3\u6c7a\u65b9\u6848\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e Redis \u96c6\u7fa4\u7684\u5361\u69fd\u6578\u91cf\u53ca\u5176\u76f8\u95dc\u6982\u5ff5\u3002<\/p>\n<h2 id=\"redis-%e9%9b%86%e7%be%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-gXYxBgUDev\">Redis \u96c6\u7fa4\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u67b6\u69cb\uff0c\u5141\u8a31\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b Redis \u7bc0\u9ede\u4e0a\u3002\u9019\u6a23\u7684\u67b6\u69cb\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u80fd\u5920\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u3002Redis \u96c6\u7fa4\u7684\u6838\u5fc3\u6982\u5ff5\u662f\u300c\u5361\u69fd\u300d\uff08slot\uff09\uff0c\u5b83\u662f Redis \u96c6\u7fa4\u4e2d\u7528\u4f86\u5206\u914d\u548c\u7ba1\u7406\u6578\u64da\u7684\u57fa\u672c\u55ae\u4f4d\u3002<\/p>\n<h2 id=\"%e5%8d%a1%e6%a7%bd%e7%9a%84%e6%95%b8%e9%87%8f-gXYxBgUDev\">\u5361\u69fd\u7684\u6578\u91cf<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u7e3d\u5171\u6709 16384 \u500b\u5361\u69fd\u3002\u9019\u4e9b\u5361\u69fd\u7528\u65bc\u5c07\u9375\u503c\u5c0d\u5206\u914d\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\u4e0a\u3002\u7576\u4e00\u500b\u9375\u88ab\u5beb\u5165\u6642\uff0cRedis \u6703\u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u8a08\u7b97\u51fa\u5176\u5c0d\u61c9\u7684\u5361\u69fd\uff0c\u7136\u5f8c\u5c07\u8a72\u9375\u503c\u5c0d\u5b58\u5132\u5230\u8ca0\u8cac\u8a72\u5361\u69fd\u7684\u7bc0\u9ede\u4e0a\u3002<\/p>\n<h3 id=\"%e5%8d%a1%e6%a7%bd%e7%9a%84%e8%a8%88%e7%ae%97%e6%96%b9%e5%bc%8f-gXYxBgUDev\">\u5361\u69fd\u7684\u8a08\u7b97\u65b9\u5f0f<\/h3>\n<p>Redis \u4f7f\u7528\u4e00\u500b\u7c21\u55ae\u7684\u54c8\u5e0c\u7b97\u6cd5\u4f86\u8a08\u7b97\u5361\u69fd\u3002\u5177\u9ad4\u4f86\u8aaa\uff0cRedis \u6703\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u4f86\u78ba\u5b9a\u4e00\u500b\u9375\u6240\u5c6c\u7684\u5361\u69fd\uff1a<\/p>\n<pre><code>slot = hash(key) mod 16384<\/code><\/pre>\n<p>\u9019\u88e1\u7684 <code>hash(key)<\/code> \u662f\u5c0d\u9375\u9032\u884c\u54c8\u5e0c\u8a08\u7b97\u7684\u7d50\u679c\uff0c\u800c <code>mod 16384<\/code> \u5247\u662f\u5c07\u54c8\u5e0c\u503c\u6620\u5c04\u5230 0 \u5230 16383 \u7684\u7bc4\u570d\u5167\uff0c\u9019\u6a23\u5c31\u80fd\u78ba\u5b9a\u8a72\u9375\u6240\u5c6c\u7684\u5361\u69fd\u3002<\/p>\n<h2 id=\"%e5%8d%a1%e6%a7%bd%e7%9a%84%e5%88%86%e9%85%8d%e8%88%87%e7%ae%a1%e7%90%86-gXYxBgUDev\">\u5361\u69fd\u7684\u5206\u914d\u8207\u7ba1\u7406<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u5361\u69fd\u7684\u5206\u914d\u662f\u52d5\u614b\u7684\u3002\u7576\u4e00\u500b\u65b0\u7684\u7bc0\u9ede\u52a0\u5165\u96c6\u7fa4\u6642\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u5c07\u90e8\u5206\u5361\u69fd\u5206\u914d\u7d66\u8a72\u7bc0\u9ede\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97 Redis \u96c6\u7fa4\u80fd\u5920\u9748\u6d3b\u5730\u64f4\u5c55\uff0c\u4e26\u4e14\u5728\u7bc0\u9ede\u6545\u969c\u6642\u80fd\u5920\u81ea\u52d5\u91cd\u65b0\u5206\u914d\u5361\u69fd\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u53ef\u7528\u6027\u3002<\/p>\n<h3 id=\"%e5%8d%a1%e6%a7%bd%e7%9a%84%e9%81%b7%e7%a7%bb-gXYxBgUDev\">\u5361\u69fd\u7684\u9077\u79fb<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5c07\u5361\u69fd\u5f9e\u4e00\u500b\u7bc0\u9ede\u9077\u79fb\u5230\u53e6\u4e00\u500b\u7bc0\u9ede\u3002Redis \u63d0\u4f9b\u4e86 <code>CLUSTER SETSLOT<\/code> \u547d\u4ee4\u4f86\u624b\u52d5\u7ba1\u7406\u5361\u69fd\u7684\u5206\u914d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CLUSTER SETSLOT 0 NODE <\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5361\u69fd 0 \u5206\u914d\u7d66\u6307\u5b9a\u7684\u7bc0\u9ede\u3002\u9019\u5728\u9032\u884c\u96c6\u7fa4\u7dad\u8b77\u6216\u64f4\u5c55\u6642\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-gXYxBgUDev\">\u7d50\u8ad6<\/h2>\n<p>Redis \u96c6\u7fa4\u7684\u5361\u69fd\u6578\u91cf\u56fa\u5b9a\u70ba 16384\uff0c\u9019\u4e00\u8a2d\u8a08\u4f7f\u5f97\u6578\u64da\u80fd\u5920\u9ad8\u6548\u5730\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u4e86\u89e3\u5361\u69fd\u7684\u904b\u4f5c\u65b9\u5f0f\u5c0d\u65bc\u7ba1\u7406\u548c\u512a\u5316 Redis \u96c6\u7fa4\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u96c6\u7fa4\u652f\u6301\u6700\u591a 16384 \u4e2a\u69fd\u4f4d\uff0c\u786e\u4fdd\u6570\u636e\u5728\u591a\u4e2a\u8282\u70b9\u95f4\u5747\u5300\u5206\u5e03\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u6269\u5c55\u6027\u548c\u6027\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-124605","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124605","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=124605"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124605\/revisions"}],"predecessor-version":[{"id":124606,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124605\/revisions\/124606"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}