{"id":97992,"date":"2024-10-20T22:52:39","date_gmt":"2024-10-20T14:52:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97992\/"},"modified":"2024-10-20T22:52:40","modified_gmt":"2024-10-20T14:52:40","slug":"redis-%e6%a7%bd%e4%bd%8d%e6%a6%82%e5%bf%b5%e5%8f%8a%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97992\/","title":{"rendered":"Redis \u69fd\u4f4d\u6982\u5ff5\u53ca\u61c9\u7528"},"content":{"rendered":"<h1 id=\"redis-%e6%a7%bd%e4%bd%8d%e6%a6%82%e5%bf%b5%e5%8f%8a%e6%87%89%e7%94%a8-NDmkTWhYrG\">Redis \u69fd\u4f4d\u6982\u5ff5\u53ca\u61c9\u7528<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u662f\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u6210\u529f\u7684\u95dc\u9375\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u69fd\u4f4d\u6982\u5ff5\u53ca\u5176\u61c9\u7528\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u6280\u8853\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e6%a7%bd%e4%bd%8d%ef%bc%9f-NDmkTWhYrG\">\u4ec0\u9ebc\u662f Redis \u69fd\u4f4d\uff1f<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u69fd\u4f4d\uff08Slot\uff09\u662f\u7528\u65bc\u5206\u7247\uff08Sharding\uff09\u7684\u4e00\u500b\u91cd\u8981\u6982\u5ff5\u3002Redis Cluster \u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u6bcf\u500b Redis Cluster \u6703\u5c07\u5176\u9375\u7a7a\u9593\u5283\u5206\u70ba 16384 \u500b\u69fd\u4f4d\uff0c\u9019\u4e9b\u69fd\u4f4d\u7528\u65bc\u5c07\u9375\u6620\u5c04\u5230\u7279\u5b9a\u7684\u7bc0\u9ede\u3002<\/p>\n<p>\u7576\u4e00\u500b\u9375\u88ab\u5b58\u5132\u5230 Redis \u4e2d\u6642\uff0cRedis \u6703\u6839\u64da\u9375\u7684\u54c8\u5e0c\u503c\u8a08\u7b97\u51fa\u8a72\u9375\u6240\u5c6c\u7684\u69fd\u4f4d\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\u907f\u514d\u55ae\u4e00\u7bc0\u9ede\u7684\u904e\u8f09\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e4%bd%8d%e7%9a%84%e8%a8%88%e7%ae%97%e6%96%b9%e5%bc%8f-NDmkTWhYrG\">\u69fd\u4f4d\u7684\u8a08\u7b97\u65b9\u5f0f<\/h2>\n<p>Redis \u4f7f\u7528\u4e00\u500b\u7c21\u55ae\u7684\u54c8\u5e0c\u7b97\u6cd5\u4f86\u8a08\u7b97\u69fd\u4f4d\u3002\u5177\u9ad4\u4f86\u8aaa\uff0cRedis \u6703\u5c0d\u9375\u9032\u884c\u54c8\u5e0c\u8a08\u7b97\uff0c\u7136\u5f8c\u5c07\u7d50\u679c\u53d6\u6a21 16384\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>slot = CRC16(key) mod 16384<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>CRC16<\/code> \u662f\u4e00\u7a2e\u5e38\u7528\u7684\u54c8\u5e0c\u7b97\u6cd5\uff0c\u80fd\u5920\u5feb\u901f\u8a08\u7b97\u51fa\u9375\u7684\u54c8\u5e0c\u503c\u3002\u9019\u6a23\u7684\u8a08\u7b97\u65b9\u5f0f\u78ba\u4fdd\u4e86\u6bcf\u500b\u9375\u90fd\u80fd\u88ab\u6b63\u78ba\u5730\u6620\u5c04\u5230\u76f8\u61c9\u7684\u69fd\u4f4d\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e4%bd%8d%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-NDmkTWhYrG\">\u69fd\u4f4d\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>Redis \u69fd\u4f4d\u7684\u4e3b\u8981\u61c9\u7528\u5834\u666f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5206\u7247\uff1a<\/strong>\u901a\u904e\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0cRedis \u80fd\u5920\u63d0\u9ad8\u8b80\u5beb\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>\u69fd\u4f4d\u7684\u8a2d\u8a08\u4f7f\u5f97\u6578\u64da\u80fd\u5920\u5747\u52fb\u5206\u4f48\uff0c\u5f9e\u800c\u907f\u514d\u67d0\u4e00\u7bc0\u9ede\u7684\u904e\u8f09\uff0c\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u3002<\/li>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u5728 Redis Cluster \u4e2d\uff0c\u69fd\u4f4d\u7684\u5206\u914d\u4f7f\u5f97\u5373\u4f7f\u67d0\u4e00\u7bc0\u9ede\u5931\u6548\uff0c\u5176\u4ed6\u7bc0\u9ede\u4ecd\u7136\u53ef\u4ee5\u7e7c\u7e8c\u63d0\u4f9b\u670d\u52d9\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%ae%a1%e7%90%86%e6%a7%bd%e4%bd%8d-NDmkTWhYrG\">\u5982\u4f55\u7ba1\u7406\u69fd\u4f4d<\/h2>\n<p>\u5728 Redis Cluster \u4e2d\uff0c\u7ba1\u7406\u69fd\u4f4d\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528 <code>CLUSTER ADDSLOTS<\/code> \u547d\u4ee4\u4f86\u6dfb\u52a0\u69fd\u4f4d\uff0c\u4f7f\u7528 <code>CLUSTER DELSLOTS<\/code> \u547d\u4ee4\u4f86\u522a\u9664\u69fd\u4f4d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n<pre><code>CLUSTER ADDSLOTS 0 1 2 3 4 5 6 7 8 9 ... 16383<\/code><\/pre>\n<pre><code>CLUSTER DELSLOTS 0 1 2 3<\/code><\/pre>\n<p>\u9019\u4e9b\u547d\u4ee4\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u9748\u6d3b\u5730\u7ba1\u7406\u69fd\u4f4d\uff0c\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-NDmkTWhYrG\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u69fd\u4f4d\u6982\u5ff5\u662f\u5176\u9ad8\u6548\u6027\u80fd\u7684\u57fa\u77f3\uff0c\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u5206\u7247\u548c\u8ca0\u8f09\u5747\u8861\uff0cRedis \u80fd\u5920\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u4fdd\u6301\u7a69\u5b9a\u7684\u6027\u80fd\u3002\u7406\u89e3\u69fd\u4f4d\u7684\u904b\u4f5c\u539f\u7406\u53ca\u5176\u61c9\u7528\u5834\u666f\uff0c\u5c0d\u65bc\u958b\u767c\u8005\u548c\u7cfb\u7d71\u67b6\u69cb\u5e2b\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc Redis \u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u4e26\u5e0c\u671b\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684\u69fd\u4f4d\u6982\u5ff5\u53ca\u5176\u61c9\u7528\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u6578\u64da\u5206\u7247\u548c\u63d0\u5347\u7cfb\u7d71\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-97992","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97992","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=97992"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97992\/revisions"}],"predecessor-version":[{"id":97993,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97992\/revisions\/97993"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}