{"id":123839,"date":"2024-10-25T14:11:19","date_gmt":"2024-10-25T06:11:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/123839\/"},"modified":"2024-10-25T14:11:20","modified_gmt":"2024-10-25T06:11:20","slug":"redis-%e9%9b%86%e7%be%a4%e5%a6%82%e4%bd%95%e7%a2%ba%e5%ae%9a%e6%a7%bd%e7%9a%84%e6%95%b8%e9%87%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/123839\/","title":{"rendered":"Redis \u96c6\u7fa4\u5982\u4f55\u78ba\u5b9a\u69fd\u7684\u6578\u91cf"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e5%a6%82%e4%bd%95%e7%a2%ba%e5%ae%9a%e6%a7%bd%e7%9a%84%e6%95%b8%e9%87%8f-txOBchcnXP\">Redis \u96c6\u7fa4\u5982\u4f55\u78ba\u5b9a\u69fd\u7684\u6578\u91cf<\/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\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0cRedis \u96c6\u7fa4\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u6578\u64da\u662f\u6839\u64da\u69fd\uff08slot\uff09\u4f86\u5206\u914d\u7684\uff0c\u9019\u4f7f\u5f97\u96c6\u7fa4\u7684\u64f4\u5c55\u548c\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u96c6\u7fa4\u5982\u4f55\u78ba\u5b9a\u69fd\u7684\u6578\u91cf\uff0c\u4ee5\u53ca\u9019\u4e00\u904e\u7a0b\u4e2d\u7684\u4e00\u4e9b\u95dc\u9375\u6982\u5ff5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%a7%bd%ef%bc%88slot%ef%bc%89-txOBchcnXP\">\u4ec0\u9ebc\u662f\u69fd\uff08Slot\uff09<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u69fd\u662f\u7528\u4f86\u5206\u914d\u548c\u7ba1\u7406\u6578\u64da\u7684\u57fa\u672c\u55ae\u4f4d\u3002Redis \u96c6\u7fa4\u5c07\u6240\u6709\u7684\u9375\u6620\u5c04\u5230 0 \u5230 16383 \u7684\u69fd\u4e2d\uff0c\u7e3d\u5171\u6709 16384 \u500b\u69fd\u3002\u9019\u610f\u5473\u8457\u6bcf\u500b\u9375\u90fd\u6703\u88ab\u5206\u914d\u5230\u4e00\u500b\u7279\u5b9a\u7684\u69fd\uff0c\u5f9e\u800c\u78ba\u5b9a\u5176\u5b58\u5132\u7684\u7bc0\u9ede\u3002\u9019\u7a2e\u8a2d\u8a08\u4f7f\u5f97 Redis \u80fd\u5920\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u5206\u6563\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e7%9a%84%e6%95%b8%e9%87%8f%e5%a6%82%e4%bd%95%e7%a2%ba%e5%ae%9a-txOBchcnXP\">\u69fd\u7684\u6578\u91cf\u5982\u4f55\u78ba\u5b9a<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u69fd\u7684\u6578\u91cf\u662f\u56fa\u5b9a\u7684\uff0c\u7e3d\u5171\u70ba 16384 \u500b\u3002\u9019\u4e00\u6578\u91cf\u662f\u7531 Redis \u7684\u8a2d\u8a08\u6c7a\u5b9a\u7684\uff0c\u4e26\u4e0d\u6703\u96a8\u8457\u96c6\u7fa4\u7684\u64f4\u5c55\u800c\u6539\u8b8a\u3002\u7576\u4e00\u500b\u65b0\u7684\u7bc0\u9ede\u52a0\u5165\u96c6\u7fa4\u6642\uff0cRedis \u6703\u6839\u64da\u73fe\u6709\u7684\u69fd\u5206\u914d\u7b56\u7565\u5c07\u90e8\u5206\u69fd\u8f49\u79fb\u5230\u65b0\u7bc0\u9ede\u4e0a\uff0c\u4ee5\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u3002<\/p>\n<h3 id=\"%e6%a7%bd%e7%9a%84%e5%88%86%e9%85%8d%e7%ad%96%e7%95%a5-txOBchcnXP\">\u69fd\u7684\u5206\u914d\u7b56\u7565<\/h3>\n<p>Redis \u4f7f\u7528\u54c8\u5e0c\u69fd\u4f86\u78ba\u5b9a\u6bcf\u500b\u9375\u61c9\u8a72\u5b58\u5132\u5728\u54ea\u500b\u7bc0\u9ede\u4e0a\u3002\u5177\u9ad4\u4f86\u8aaa\uff0cRedis \u6703\u5c0d\u9375\u9032\u884c\u54c8\u5e0c\u8a08\u7b97\uff0c\u7136\u5f8c\u5c07\u8a08\u7b97\u7d50\u679c\u53d6\u6a21 16384\uff0c\u5f9e\u800c\u78ba\u5b9a\u8a72\u9375\u6240\u5c6c\u7684\u69fd\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>slot = hash(key) % 16384<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u6bcf\u500b\u9375\u90fd\u80fd\u5920\u5feb\u901f\u5b9a\u4f4d\u5230\u5176\u5c0d\u61c9\u7684\u69fd\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h3 id=\"%e6%93%b4%e5%b1%95%e8%88%87%e7%b8%ae%e6%b8%9b-txOBchcnXP\">\u64f4\u5c55\u8207\u7e2e\u6e1b<\/h3>\n<p>\u7576\u96c6\u7fa4\u9700\u8981\u64f4\u5c55\u6216\u7e2e\u6e1b\u6642\uff0cRedis \u63d0\u4f9b\u4e86\u76f8\u61c9\u7684\u5de5\u5177\u4f86\u91cd\u65b0\u5206\u914d\u69fd\u3002\u9019\u4e00\u904e\u7a0b\u7a31\u70ba\u69fd\u9077\u79fb\uff08slot migration\uff09\u3002\u5728\u64f4\u5c55\u6642\uff0cRedis \u6703\u5c07\u90e8\u5206\u69fd\u5f9e\u73fe\u6709\u7bc0\u9ede\u8f49\u79fb\u5230\u65b0\u52a0\u5165\u7684\u7bc0\u9ede\uff1b\u800c\u5728\u7e2e\u6e1b\u6642\uff0c\u5247\u6703\u5c07\u69fd\u5f9e\u67d0\u4e9b\u7bc0\u9ede\u8f49\u79fb\u5230\u5176\u4ed6\u7bc0\u9ede\u3002\u9019\u4e00\u904e\u7a0b\u662f\u81ea\u52d5\u5316\u7684\uff0c\u4e26\u4e14\u4e0d\u6703\u5f71\u97ff\u5230\u5ba2\u6236\u7aef\u7684\u6b63\u5e38\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e7%9a%84%e7%ae%a1%e7%90%86-txOBchcnXP\">\u69fd\u7684\u7ba1\u7406<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u4e9b\u547d\u4ee4\u4f86\u7ba1\u7406\u69fd\u7684\u5206\u914d\u548c\u9077\u79fb\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>CLUSTER ADDSLOTS<\/code> \u547d\u4ee4\u53ef\u4ee5\u70ba\u65b0\u7bc0\u9ede\u6dfb\u52a0\u69fd\uff0c\u800c <code>CLUSTER DELSLOTS<\/code> \u547d\u4ee4\u5247\u53ef\u4ee5\u522a\u9664\u69fd\u3002\u9019\u4e9b\u547d\u4ee4\u4f7f\u5f97\u7ba1\u7406\u69fd\u7684\u904e\u7a0b\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\u548c\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-txOBchcnXP\">\u7d50\u8ad6<\/h2>\n<p>Redis \u96c6\u7fa4\u4e2d\u7684\u69fd\u662f\u78ba\u4fdd\u6578\u64da\u9ad8\u6548\u5206\u914d\u548c\u7ba1\u7406\u7684\u95dc\u9375\u3002\u96d6\u7136\u69fd\u7684\u6578\u91cf\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u901a\u904e\u5408\u7406\u7684\u5206\u914d\u548c\u9077\u79fb\u7b56\u7565\uff0cRedis \u80fd\u5920\u5728\u4e0d\u540c\u7684\u7bc0\u9ede\u4e4b\u9593\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002\u4e86\u89e3\u69fd\u7684\u904b\u4f5c\u539f\u7406\u5c0d\u65bc\u6709\u6548\u4f7f\u7528 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> \u670d\u52d9\u6709\u8208\u8da3\uff0c\u6216\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc Redis \u96c6\u7fa4\u7684\u61c9\u7528\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>\u4e86\u89e3Redis\u96c6\u7fa4\u4e2d\u69fd\u7684\u6578\u91cf\u5982\u4f55\u78ba\u5b9a\uff0c\u63a2\u7d22\u5176\u5c0d\u6578\u64da\u5206\u4f48\u548c\u6027\u80fd\u7684\u5f71\u97ff\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\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-123839","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123839","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=123839"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123839\/revisions"}],"predecessor-version":[{"id":123840,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/123839\/revisions\/123840"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=123839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=123839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=123839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}