{"id":97972,"date":"2024-10-20T22:42:18","date_gmt":"2024-10-20T14:42:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97972\/"},"modified":"2024-10-20T22:42:19","modified_gmt":"2024-10-20T14:42:19","slug":"redis%e6%a7%bd%e9%9d%a9%e6%96%b0%e6%80%a7%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%ef%bc%88redis-%e6%a7%bd-%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97972\/","title":{"rendered":"Redis\u69fd\u9769\u65b0\u6027\u6578\u64da\u7d50\u69cb\uff08redis \u69fd \u6578\u64da\u7d50\u69cb\uff09"},"content":{"rendered":"<h1 id=\"redis%e6%a7%bd%e9%9d%a9%e6%96%b0%e6%80%a7%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%ef%bc%88redis-%e6%a7%bd-%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%ef%bc%89-bMZsHYxIJD\">Redis\u69fd\u9769\u65b0\u6027\u6578\u64da\u7d50\u69cb\uff08Redis \u69fd \u6578\u64da\u7d50\u69cb\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7d50\u69cb\u7684\u9078\u64c7\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u201c\u69fd\u201d\u7d50\u69cb\uff08Slot Structure\uff09\u662f\u4e00\u500b\u76f8\u5c0d\u8f03\u65b0\u7684\u6982\u5ff5\uff0c\u5c0d\u65bc\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u6578\u64da\u7ba1\u7406\u5177\u6709\u91cd\u8981\u610f\u7fa9\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e6%a7%bd%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%ef%bc%9f-bMZsHYxIJD\">\u4ec0\u9ebc\u662fRedis\u69fd\u6578\u64da\u7d50\u69cb\uff1f<\/h2>\n<p>Redis\u7684\u69fd\u6578\u64da\u7d50\u69cb\u4e3b\u8981\u7528\u65bc\u5206\u4f48\u5f0f\u6578\u64da\u5b58\u5132\uff0c\u7279\u5225\u662f\u5728Redis Cluster\u4e2d\u3002\u5b83\u5c07\u6574\u500b\u9375\u7a7a\u9593\u5283\u5206\u70ba16384\u500b\u69fd\uff08slots\uff09\uff0c\u6bcf\u500b\u9375\u90fd\u6703\u88ab\u6620\u5c04\u5230\u9019\u4e9b\u69fd\u4e2d\u7684\u4e00\u500b\u3002\u9019\u7a2e\u8a2d\u8a08\u4f7f\u5f97\u6578\u64da\u53ef\u4ee5\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u9032\u884c\u5747\u52fb\u5206\u4f48\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-bMZsHYxIJD\">\u69fd\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u5728Redis Cluster\u4e2d\uff0c\u6bcf\u500b\u7bc0\u9ede\u8ca0\u8cac\u4e00\u90e8\u5206\u69fd\u3002\u7576\u5ba2\u6236\u7aef\u767c\u9001\u8acb\u6c42\u6642\uff0cRedis\u6703\u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u8a08\u7b97\u51fa\u8a72\u9375\u6240\u5c6c\u7684\u69fd\uff0c\u7136\u5f8c\u5c07\u8acb\u6c42\u8def\u7531\u5230\u76f8\u61c9\u7684\u7bc0\u9ede\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4e0d\u50c5\u7c21\u5316\u4e86\u6578\u64da\u7684\u5206\u4f48\uff0c\u9084\u63d0\u9ad8\u4e86\u67e5\u8a62\u7684\u6548\u7387\u3002<\/p>\n<pre><code>\n# \u8a08\u7b97\u9375\u7684\u69fd\nslot = key.hashCode() % 16384\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u9375\u201cuser:1001\u201d\uff0c\u5176\u54c8\u5e0c\u503c\u70ba123456789\uff0c\u5247\u8a72\u9375\u6240\u5c6c\u7684\u69fd\u70ba123456789 % 16384 = 12345\u3002\u9019\u610f\u5473\u8457\u8a72\u9375\u5c07\u88ab\u5b58\u5132\u5728\u8ca0\u8cac\u69fd12345\u7684\u7bc0\u9ede\u4e0a\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e7%9a%84%e5%84%aa%e5%8b%a2-bMZsHYxIJD\">\u69fd\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u901a\u904e\u5c07\u6578\u64da\u5206\u4f48\u5230\u591a\u500b\u7bc0\u9ede\uff0cRedis Cluster\u53ef\u4ee5\u8f15\u9b06\u5730\u64f4\u5c55\u4ee5\u8655\u7406\u66f4\u5927\u7684\u6578\u64da\u96c6\u3002<\/li>\n<li><strong>\u5bb9\u932f\u80fd\u529b\uff1a<\/strong>\u5982\u679c\u67d0\u500b\u7bc0\u9ede\u5931\u6548\uff0c\u5176\u4ed6\u7bc0\u9ede\u4ecd\u7136\u53ef\u4ee5\u7e7c\u7e8c\u63d0\u4f9b\u670d\u52d9\uff0c\u56e0\u70ba\u6bcf\u500b\u69fd\u53ef\u4ee5\u88ab\u591a\u500b\u7bc0\u9ede\u8ca0\u8cac\u3002<\/li>\n<li><strong>\u7c21\u5316\u7684\u6578\u64da\u7ba1\u7406\uff1a<\/strong>\u69fd\u7684\u6982\u5ff5\u4f7f\u5f97\u6578\u64da\u7684\u5206\u4f48\u548c\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\uff0c\u958b\u767c\u8005\u4e0d\u9700\u8981\u624b\u52d5\u7ba1\u7406\u6578\u64da\u7684\u5206\u4f48\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%a7%bd%e7%9a%84%e6%8c%91%e6%88%b0-bMZsHYxIJD\">\u69fd\u7684\u6311\u6230<\/h2>\n<p>\u5118\u7ba1\u69fd\u7d50\u69cb\u5e36\u4f86\u4e86\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u6311\u6230\u3002\u4f8b\u5982\uff0c\u7576\u9700\u8981\u91cd\u65b0\u5e73\u8861\u69fd\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u77ed\u66ab\u7684\u670d\u52d9\u4e2d\u65b7\u3002\u6b64\u5916\uff0c\u5c0d\u65bc\u67d0\u4e9b\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9375\u7684\u54c8\u5e0c\u5206\u4f48\u53ef\u80fd\u4e0d\u5747\u52fb\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u67d0\u4e9b\u7bc0\u9ede\u7684\u8ca0\u8f09\u904e\u91cd\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-bMZsHYxIJD\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u8a31\u591a\u5927\u578b\u61c9\u7528\u7a0b\u5e8f\u548c\u670d\u52d9\u90fd\u5229\u7528Redis\u7684\u69fd\u6578\u64da\u7d50\u69cb\u4f86\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u3002\u4f8b\u5982\uff0c\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u53ef\u4ee5\u4f7f\u7528Redis\u4f86\u5b58\u5132\u7528\u6236\u8cc7\u6599\u548c\u6d88\u606f\uff0c\u901a\u904e\u69fd\u7d50\u69cb\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u5feb\u901f\u8a2a\u554f\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-bMZsHYxIJD\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684\u69fd\u6578\u64da\u7d50\u69cb\u662f\u4e00\u7a2e\u9769\u65b0\u6027\u7684\u8a2d\u8a08\uff0c\u70ba\u5206\u4f48\u5f0f\u6578\u64da\u5b58\u5132\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5c07\u6578\u64da\u5747\u52fb\u5206\u4f48\u5230\u591a\u500b\u7bc0\u9ede\uff0cRedis\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\uff0c\u9084\u589e\u5f37\u4e86\u5bb9\u932f\u80fd\u529b\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u7406\u89e3\u548c\u5229\u7528\u9019\u4e00\u6578\u64da\u7d50\u69cb\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u4f7f\u7528Redis\u7684\u69fd\u6578\u64da\u7d50\u69cb\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u69fd\u9769\u65b0\u6027\u6578\u64da\u7d50\u69cb\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u89e3\u6c7a\u65b9\u6848\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-97972","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97972","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=97972"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97972\/revisions"}],"predecessor-version":[{"id":97973,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97972\/revisions\/97973"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}