{"id":164453,"date":"2024-11-05T08:02:24","date_gmt":"2024-11-05T00:02:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/164453\/"},"modified":"2024-11-05T08:02:25","modified_gmt":"2024-11-05T00:02:25","slug":"%e7%b2%be%e9%80%9a%e5%93%88%e5%b8%8c%e6%a7%bdredis%ef%bc%8c%e5%ae%8c%e7%be%8e%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%8a%a0%e9%80%9f%ef%bc%88%e5%93%88%e5%b8%8c%e6%a7%bdredis%e5%ae%8c%e6%95%b4%e7%89%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/164453\/","title":{"rendered":"\u7cbe\u901a\u54c8\u5e0c\u69fdRedis\uff0c\u5b8c\u7f8e\u5be6\u73fe\u6578\u64da\u52a0\u901f\uff08\u54c8\u5e0c\u69fdredis\u5b8c\u6574\u7248\uff09"},"content":{"rendered":"<h1 id=\"%e7%b2%be%e9%80%9a%e5%93%88%e5%b8%8c%e6%a7%bdredis%ef%bc%8c%e5%ae%8c%e7%be%8e%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%8a%a0%e9%80%9f%ef%bc%88%e5%93%88%e5%b8%8c%e6%a7%bdredis%e5%ae%8c%e6%95%b4%e7%89%88-NwKEMolljq\">\u7cbe\u901a\u54c8\u5e0c\u69fdRedis\uff0c\u5b8c\u7f8e\u5be6\u73fe\u6578\u64da\u52a0\u901f\uff08\u54c8\u5e0c\u69fdredis\u5b8c\u6574\u7248\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u901f\u5ea6\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u7279\u5225\u662f\u54c8\u5e0c\u69fd\uff08Hash Slot\uff09\u6a5f\u5236\uff0c\u70baRedis\u96c6\u7fa4\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6578\u64da\u5206\u4f48\u548c\u5b58\u53d6\u65b9\u5f0f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u54c8\u5e0c\u69fd\u7684\u539f\u7406\u53ca\u5176\u5728\u6578\u64da\u52a0\u901f\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%93%88%e5%b8%8c%e6%a7%bd%ef%bc%9f-NwKEMolljq\">\u4ec0\u9ebc\u662f\u54c8\u5e0c\u69fd\uff1f<\/h2>\n<p>\u54c8\u5e0c\u69fd\u662fRedis\u96c6\u7fa4\u4e2d\u7528\u65bc\u6578\u64da\u5206\u4f48\u7684\u4e00\u7a2e\u6a5f\u5236\u3002Redis\u96c6\u7fa4\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\u4e0a\uff0c\u4ee5\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027\u3002\u6bcf\u500b\u9375\u5728\u5b58\u5132\u4e4b\u524d\uff0c\u6703\u901a\u904e\u54c8\u5e0c\u51fd\u6578\u8a08\u7b97\u51fa\u4e00\u500b\u54c8\u5e0c\u503c\uff0c\u7136\u5f8c\u5c07\u9019\u500b\u54c8\u5e0c\u503c\u6620\u5c04\u52300\u523016383\u4e4b\u9593\u7684\u67d0\u500b\u69fd\u4f4d\uff08slot\uff09\u3002\u9019\u6a23\uff0cRedis\u96c6\u7fa4\u5c31\u80fd\u5920\u6839\u64da\u69fd\u4f4d\u5c07\u6578\u64da\u5206\u914d\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\u4e0a\u3002<\/p>\n<h2 id=\"%e5%93%88%e5%b8%8c%e6%a7%bd%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-NwKEMolljq\">\u54c8\u5e0c\u69fd\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u7e3d\u5171\u670916384\u500b\u54c8\u5e0c\u69fd\u3002\u7576\u4e00\u500b\u9375\u88ab\u63d2\u5165\u6642\uff0cRedis\u6703\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u8a08\u7b97\u5176\u69fd\u4f4d\uff1a<\/p>\n<pre><code>slot = crc16(key) mod 16384<\/code><\/pre>\n<p>\u9019\u88e1\u7684crc16\u662f\u7528\u65bc\u8a08\u7b97\u9375\u7684CRC16\u6821\u9a57\u548c\u7684\u51fd\u6578\u3002\u8a08\u7b97\u51fa\u4f86\u7684\u69fd\u4f4d\u5c07\u6c7a\u5b9a\u8a72\u9375\u5b58\u5132\u5728\u54ea\u500b\u7bc0\u9ede\u4e0a\u3002\u9019\u7a2e\u8a2d\u8a08\u4f7f\u5f97Redis\u80fd\u5920\u5728\u96c6\u7fa4\u4e2d\u5feb\u901f\u5b9a\u4f4d\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5b58\u53d6\u7684\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e5%93%88%e5%b8%8c%e6%a7%bd%e7%9a%84%e5%84%aa%e5%8b%a2-NwKEMolljq\">\u54c8\u5e0c\u69fd\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6548\u7684\u6578\u64da\u5206\u4f48\uff1a<\/strong>\u54c8\u5e0c\u69fd\u80fd\u5920\u5c07\u6578\u64da\u5747\u52fb\u5206\u4f48\u5230\u5404\u500b\u7bc0\u9ede\u4e0a\uff0c\u907f\u514d\u4e86\u67d0\u4e9b\u7bc0\u9ede\u904e\u8f09\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u7c21\u5316\u7684\u6578\u64da\u67e5\u627e\uff1a<\/strong>\u901a\u904e\u54c8\u5e0c\u69fd\uff0cRedis\u80fd\u5920\u5feb\u901f\u5b9a\u4f4d\u5230\u6578\u64da\u6240\u5728\u7684\u7bc0\u9ede\uff0c\u6e1b\u5c11\u4e86\u67e5\u627e\u6642\u9593\u3002<\/li>\n<li><strong>\u652f\u6301\u6c34\u5e73\u64f4\u5c55\uff1a<\/strong>\u7576\u9700\u8981\u64f4\u5c55\u96c6\u7fa4\u6642\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u65b0\u7684\u7bc0\u9ede\u52a0\u5165\u5230\u96c6\u7fa4\u4e2d\uff0c\u4e26\u91cd\u65b0\u5206\u914d\u54c8\u5e0c\u69fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%93%88%e5%b8%8c%e6%a7%bd%e7%9a%84%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-NwKEMolljq\">\u54c8\u5e0c\u69fd\u7684\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728Redis\u4e2d\u4f7f\u7528\u54c8\u5e0c\u69fd\u9032\u884c\u6578\u64da\u5b58\u53d6\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; CLUSTER MEET 192.168.1.1 7000\n127.0.0.1:6379&gt; CLUSTER ADDSLOTS 0\n127.0.0.1:6379&gt; SET mykey \"Hello, Redis!\"\n127.0.0.1:6379&gt; GET mykey\n\"Hello, Redis!\"<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5c07\u4e00\u500b\u65b0\u7684\u7bc0\u9ede\u52a0\u5165\u5230\u96c6\u7fa4\u4e2d\uff0c\u7136\u5f8c\u70ba\u8a72\u7bc0\u9ede\u5206\u914d\u4e00\u500b\u54c8\u5e0c\u69fd\uff0c\u6700\u5f8c\u63d2\u5165\u4e26\u6aa2\u7d22\u4e00\u500b\u9375\u503c\u5c0d\u3002\u9019\u6a23\u7684\u64cd\u4f5c\u5c55\u793a\u4e86\u54c8\u5e0c\u69fd\u5728Redis\u96c6\u7fa4\u4e2d\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-NwKEMolljq\">\u7d50\u8ad6<\/h2>\n<p>\u54c8\u5e0c\u69fd\u4f5c\u70baRedis\u96c6\u7fa4\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\uff0c\u70ba\u6578\u64da\u7684\u9ad8\u6548\u5b58\u53d6\u63d0\u4f9b\u4e86\u5805\u5be6\u7684\u57fa\u790e\u3002\u901a\u904e\u5408\u7406\u7684\u54c8\u5e0c\u69fd\u8a2d\u8a08\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5be6\u73fe\u66f4\u5feb\u7684\u6578\u64da\u67e5\u8a62\u548c\u66f4\u9ad8\u7684\u7cfb\u7d71\u6027\u80fd\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u638c\u63e1\u54c8\u5e0c\u69fd\u7684\u4f7f\u7528\u5c07\u6210\u70ba\u6bcf\u4f4d\u958b\u767c\u8005\u5fc5\u5099\u7684\u6280\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684Redis\u96c6\u7fa4\uff0c\u4eab\u53d7\u66f4\u5feb\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u548c\u66f4\u7a69\u5b9a\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7cbe\u901a\u54c8\u5e0c\u69fdRedis\uff0c\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u52a0\u901f\u6280\u8853\uff0c\u63d0\u4f9b\u5b8c\u6574\u6307\u5357\uff0c\u52a9\u60a8\u5b8c\u7f8e\u5be6\u73fe\u9ad8\u6548\u80fd\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-164453","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164453","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=164453"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164453\/revisions"}],"predecessor-version":[{"id":164454,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164453\/revisions\/164454"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=164453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=164453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=164453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}