{"id":181616,"date":"2024-11-09T18:32:24","date_gmt":"2024-11-09T10:32:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181616\/"},"modified":"2024-11-09T18:32:25","modified_gmt":"2024-11-09T10:32:25","slug":"%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%ba%e6%8e%a2%e7%b4%a2redis%e9%9b%86%e7%be%a4%e6%90%9c%e7%b4%a2%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86%ef%bc%88redis%e9%9b%86%e7%be%a4%e6%90%9c%e7%b4%a2%e5%8e%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181616\/","title":{"rendered":"\u6df1\u5165\u6dfa\u51fa\u63a2\u7d22Redis\u96c6\u7fa4\u641c\u7d22\u7684\u57fa\u672c\u539f\u7406\uff08redis\u96c6\u7fa4\u641c\u7d22\u539f\u7406\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%ba%e6%8e%a2%e7%b4%a2redis%e9%9b%86%e7%be%a4%e6%90%9c%e7%b4%a2%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-DHeiyqLhAf\">\u6df1\u5165\u6dfa\u51fa\u63a2\u7d22Redis\u96c6\u7fa4\u641c\u7d22\u7684\u57fa\u672c\u539f\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u6210\u70ba\u4e86\u4f01\u696d\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\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u7279\u5225\u662f\u5728\u96c6\u7fa4\u6a21\u5f0f\u4e0b\uff0cRedis\u80fd\u5920\u63d0\u4f9b\u66f4\u9ad8\u7684\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u96c6\u7fa4\u641c\u7d22\u7684\u57fa\u672c\u539f\u7406\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u904b\u4f5c\u6a5f\u5236\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-DHeiyqLhAf\">Redis\u96c6\u7fa4\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u5141\u8a31\u7528\u6236\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e4b\u9593\u5206\u914d\u6578\u64da\u3002\u9019\u7a2e\u67b6\u69cb\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u80fd\u5920\u5728\u9700\u8981\u6642\u8f15\u9b06\u64f4\u5c55\u3002Redis\u96c6\u7fa4\u7684\u6838\u5fc3\u6982\u5ff5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u7247\uff08Sharding\uff09<\/strong>\uff1aRedis\u96c6\u7fa4\u901a\u904e\u5c07\u6578\u64da\u5206\u7247\u5b58\u5132\u5728\u4e0d\u540c\u7684\u7bc0\u9ede\u4e0a\u4f86\u5be6\u73fe\u8ca0\u8f09\u5747\u8861\u3002\u6bcf\u500b\u9375\u90fd\u6703\u6839\u64da\u54c8\u5e0c\u7b97\u6cd5\u88ab\u6620\u5c04\u5230\u7279\u5b9a\u7684\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u4e3b\u5f9e\u8907\u88fd\uff08Master-Slave Replication\uff09<\/strong>\uff1a\u6bcf\u500b\u4e3b\u7bc0\u9ede\u53ef\u4ee5\u6709\u4e00\u500b\u6216\u591a\u500b\u5f9e\u7bc0\u9ede\uff0c\u5f9e\u7bc0\u9ede\u7528\u65bc\u6578\u64da\u5099\u4efd\u548c\u8b80\u53d6\u8acb\u6c42\u7684\u5206\u64d4\u3002<\/li>\n<li><strong>\u6545\u969c\u8f49\u79fb\uff08Failover\uff09<\/strong>\uff1a\u7576\u4e3b\u7bc0\u9ede\u5931\u6548\u6642\uff0c\u96c6\u7fa4\u80fd\u5920\u81ea\u52d5\u5c07\u67d0\u500b\u5f9e\u7bc0\u9ede\u63d0\u5347\u70ba\u65b0\u7684\u4e3b\u7bc0\u9ede\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e7%9a%84%e6%90%9c%e7%b4%a2%e5%8e%9f%e7%90%86-DHeiyqLhAf\">Redis\u96c6\u7fa4\u7684\u641c\u7d22\u539f\u7406<\/h2>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u641c\u7d22\u64cd\u4f5c\u7684\u6548\u7387\u53d6\u6c7a\u65bc\u6578\u64da\u7684\u5206\u4f48\u548c\u67e5\u8a62\u7684\u8a2d\u8a08\u3002\u4ee5\u4e0b\u662fRedis\u96c6\u7fa4\u641c\u7d22\u7684\u57fa\u672c\u539f\u7406\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%88%86%e4%bd%88-DHeiyqLhAf\">1. \u6578\u64da\u5206\u4f48<\/h3>\n<p>Redis\u4f7f\u7528\u54c8\u5e0c\u69fd\uff08hash slots\uff09\u4f86\u7ba1\u7406\u6578\u64da\u7684\u5206\u4f48\u3002\u6574\u500b\u96c6\u7fa4\u670916384\u500b\u54c8\u5e0c\u69fd\uff0c\u6bcf\u500b\u9375\u5728\u5b58\u5132\u6642\u6703\u901a\u904e\u54c8\u5e0c\u51fd\u6578\u8a08\u7b97\u51fa\u5176\u5c0d\u61c9\u7684\u54c8\u5e0c\u69fd\u3002\u9019\u6a23\uff0c\u7576\u7528\u6236\u767c\u51fa\u67e5\u8a62\u8acb\u6c42\u6642\uff0cRedis\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u5230\u5b58\u5132\u8a72\u9375\u7684\u5177\u9ad4\u7bc0\u9ede\u3002<\/p>\n<pre><code>function getSlot(key) {\n    return crc16(key) % 16384;\n}\n<\/code><\/pre>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2%e8%b7%af%e7%94%b1-DHeiyqLhAf\">2. \u67e5\u8a62\u8def\u7531<\/h3>\n<p>\u7576\u7528\u6236\u767c\u51fa\u67e5\u8a62\u8acb\u6c42\u6642\uff0cRedis\u96c6\u7fa4\u6703\u6839\u64da\u54c8\u5e0c\u69fd\u4f86\u8def\u7531\u8acb\u6c42\u3002\u9019\u610f\u5473\u8457\u7528\u6236\u53ea\u9700\u77e5\u9053\u9375\u7684\u540d\u7a31\uff0cRedis\u5c31\u80fd\u81ea\u52d5\u627e\u5230\u5c0d\u61c9\u7684\u7bc0\u9ede\u9032\u884c\u67e5\u8a62\u3002\u9019\u7a2e\u8a2d\u8a08\u5927\u5927\u63d0\u9ad8\u4e86\u67e5\u8a62\u7684\u6548\u7387\uff0c\u56e0\u70ba\u4e0d\u9700\u8981\u904d\u6b77\u6240\u6709\u7bc0\u9ede\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7-DHeiyqLhAf\">3. \u6578\u64da\u4e00\u81f4\u6027<\/h3>\n<p>\u5728\u96c6\u7fa4\u4e2d\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u901a\u904e\u4e3b\u5f9e\u8907\u88fd\u4f86\u7dad\u8b77\u7684\u3002\u7576\u4e3b\u7bc0\u9ede\u63a5\u6536\u5230\u5beb\u5165\u8acb\u6c42\u6642\uff0c\u5b83\u6703\u5c07\u6578\u64da\u540c\u6b65\u5230\u6240\u6709\u5f9e\u7bc0\u9ede\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u67d0\u500b\u7bc0\u9ede\u5931\u6548\uff0c\u5176\u4ed6\u7bc0\u9ede\u4ecd\u7136\u53ef\u4ee5\u63d0\u4f9b\u6700\u65b0\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e7%9a%84%e5%84%aa%e5%8b%a2-DHeiyqLhAf\">Redis\u96c6\u7fa4\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528Redis\u96c6\u7fa4\u9032\u884c\u641c\u7d22\u64cd\u4f5c\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd<\/strong>\uff1aRedis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5f97\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u6975\u5feb\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027<\/strong>\uff1a\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u96a8\u6642\u6dfb\u52a0\u65b0\u7684\u7bc0\u9ede\uff0c\u5be6\u73fe\u6c34\u5e73\u64f4\u5c55\u3002<\/li>\n<li><strong>\u9ad8\u53ef\u7528\u6027<\/strong>\uff1a\u6545\u969c\u8f49\u79fb\u6a5f\u5236\u78ba\u4fdd\u4e86\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-DHeiyqLhAf\">\u7d50\u8ad6<\/h2>\n<p>Redis\u96c6\u7fa4\u641c\u7d22\u7684\u57fa\u672c\u539f\u7406\u6d89\u53ca\u6578\u64da\u7684\u5206\u4f48\u3001\u67e5\u8a62\u8def\u7531\u548c\u6578\u64da\u4e00\u81f4\u6027\u7b49\u591a\u500b\u65b9\u9762\u3002\u901a\u904e\u7406\u89e3\u9019\u4e9b\u539f\u7406\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229\u7528Redis\u96c6\u7fa4\u4f86\u69cb\u5efa\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u7121\u8ad6\u662f\u8655\u7406\u5927\u91cf\u7684\u5373\u6642\u6578\u64da\u9084\u662f\u9700\u8981\u9ad8\u53ef\u7528\u6027\u7684\u7cfb\u7d71\uff0cRedis\u96c6\u7fa4\u90fd\u80fd\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73feRedis\u96c6\u7fa4\u641c\u7d22\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u662f\u9700\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u6dfa\u51fa\u63a2\u7d22Redis\u96c6\u7fa4\u641c\u7d22\u7684\u57fa\u672c\u539f\u7406\uff0c\u63ed\u793a\u5176\u67b6\u69cb\u3001\u6578\u64da\u5206\u7247\u53ca\u67e5\u8a62\u6d41\u7a0b\uff0c\u52a9\u4f60\u8f15\u9b06\u638c\u63e1Redis\u96c6\u7fa4\u641c\u7d22\u6280\u8853\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-181616","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181616","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=181616"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181616\/revisions"}],"predecessor-version":[{"id":181617,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181616\/revisions\/181617"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}