{"id":97988,"date":"2024-10-20T22:50:19","date_gmt":"2024-10-20T14:50:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97988\/"},"modified":"2024-10-20T22:50:19","modified_gmt":"2024-10-20T14:50:19","slug":"redis-%e6%a7%bd%e4%bd%8d%e5%a4%9a%e9%81%94-16384-%e5%80%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97988\/","title":{"rendered":"Redis \u69fd\u4f4d\u591a\u9054 16384 \u500b"},"content":{"rendered":"<h1 id=\"redis-%e6%a7%bd%e4%bd%8d%e5%a4%9a%e9%81%94-16384-%e5%80%8b-btrlRQJfOf\">Redis \u69fd\u4f4d\u591a\u9054 16384 \u500b<\/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\u9700\u8981\u5feb\u901f\u6578\u64da\u5b58\u53d6\u7684\u5834\u666f\u3002\u5176\u8a2d\u8a08\u7684\u6838\u5fc3\u4e4b\u4e00\u662f\u4f7f\u7528\u300c\u69fd\u4f4d\u300d\u4f86\u7ba1\u7406\u6578\u64da\uff0c\u9019\u4f7f\u5f97 Redis \u80fd\u5920\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u9ad8\u6548\u5730\u904b\u884c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u69fd\u4f4d\u7cfb\u7d71\uff0c\u7279\u5225\u662f\u5176\u591a\u9054 16384 \u500b\u69fd\u4f4d\u7684\u8a2d\u8a08\u7406\u5ff5\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%a7%bd%e4%bd%8d%ef%bc%9f-btrlRQJfOf\">\u4ec0\u9ebc\u662f\u69fd\u4f4d\uff1f<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u69fd\u4f4d\uff08slot\uff09\u662f\u7528\u4f86\u5206\u914d\u548c\u7ba1\u7406\u6578\u64da\u7684\u4e00\u7a2e\u6a5f\u5236\u3002\u6bcf\u500b\u9375\u90fd\u6703\u88ab\u6620\u5c04\u5230\u4e00\u500b\u7279\u5b9a\u7684\u69fd\u4f4d\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u591a\u500b Redis \u5be6\u4f8b\u4e4b\u9593\u5206\u914d\u6578\u64da\u3002Redis \u7684\u69fd\u4f4d\u6578\u91cf\u8a2d\u7f6e\u70ba 16384\uff0c\u9019\u610f\u5473\u8457\u53ef\u4ee5\u5c07\u6578\u64da\u5747\u52fb\u5730\u5206\u4f48\u5728\u591a\u500b\u5be6\u4f8b\u4e2d\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u548c\u6027\u80fd\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-btrlRQJfOf\">\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\u6bcf\u500b\u9375\u6240\u5c0d\u61c9\u7684\u69fd\u4f4d\u3002\u5177\u9ad4\u4f86\u8aaa\uff0cRedis \u6703\u5c0d\u9375\u9032\u884c\u54c8\u5e0c\u904b\u7b97\uff0c\u7136\u5f8c\u5c07\u7d50\u679c\u53d6\u6a21 16384\u3002\u9019\u6a23\uff0c\u6bcf\u500b\u9375\u90fd\u6703\u88ab\u5206\u914d\u5230 0 \u5230 16383 \u4e4b\u9593\u7684\u67d0\u500b\u69fd\u4f4d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>slot = CRC16(key) % 16384<\/code><\/pre>\n<p>\u9019\u7a2e\u8a2d\u8a08\u4f7f\u5f97 Redis \u80fd\u5920\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u7684\u5206\u7247\uff08sharding\uff09\uff0c\u4e26\u4e14\u5728\u6dfb\u52a0\u6216\u79fb\u9664\u7bc0\u9ede\u6642\uff0c\u6578\u64da\u7684\u91cd\u65b0\u5206\u914d\u4e5f\u8b8a\u5f97\u76f8\u5c0d\u7c21\u55ae\u3002<\/p>\n<h2 id=\"%e6%a7%bd%e4%bd%8d%e7%9a%84%e5%84%aa%e5%8b%a2-btrlRQJfOf\">\u69fd\u4f4d\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6548\u7684\u6578\u64da\u5206\u4f48\uff1a<\/strong>\u901a\u904e\u5c07\u6578\u64da\u5747\u52fb\u5730\u5206\u4f48\u5728\u591a\u500b\u69fd\u4f4d\u4e2d\uff0cRedis \u80fd\u5920\u6709\u6548\u5730\u5229\u7528\u8cc7\u6e90\uff0c\u6e1b\u5c11\u55ae\u500b\u5be6\u4f8b\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u7c21\u5316\u7684\u6578\u64da\u7ba1\u7406\uff1a<\/strong>\u69fd\u4f4d\u7684\u4f7f\u7528\u4f7f\u5f97\u6578\u64da\u7684\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u6578\u64da\u9077\u79fb\u6216\u64f4\u5c55\u6642\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u7576\u67d0\u500b\u5be6\u4f8b\u51fa\u73fe\u6545\u969c\u6642\uff0c\u5176\u4ed6\u5be6\u4f8b\u4ecd\u7136\u53ef\u4ee5\u7e7c\u7e8c\u63d0\u4f9b\u670d\u52d9\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-btrlRQJfOf\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u8a31\u591a\u5927\u578b\u61c9\u7528\u7a0b\u5e8f\u548c\u7db2\u7ad9\u90fd\u5229\u7528 Redis \u7684\u69fd\u4f4d\u7cfb\u7d71\u4f86\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u53ef\u4ee5\u4f7f\u7528 Redis \u4f86\u5b58\u5132\u7528\u6236\u7684\u6703\u8a71\u4fe1\u606f\uff0c\u9019\u6a23\u53ef\u4ee5\u5feb\u901f\u5730\u6aa2\u7d22\u548c\u66f4\u65b0\u7528\u6236\u7684\u72c0\u614b\u3002\u901a\u904e\u5c07\u7528\u6236\u6578\u64da\u5206\u4f48\u5728\u4e0d\u540c\u7684\u69fd\u4f4d\u4e2d\uff0c\u7cfb\u7d71\u80fd\u5920\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u4fdd\u6301\u7a69\u5b9a\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-btrlRQJfOf\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u69fd\u4f4d\u8a2d\u8a08\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u5b58\u53d6\u7684\u6548\u7387\uff0c\u9084\u70ba\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u64f4\u5c55\u6027\u63d0\u4f9b\u4e86\u5f37\u6709\u529b\u7684\u652f\u6301\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u7406\u89e3\u548c\u5229\u7528\u9019\u4e00\u7279\u6027\u5c07\u5c0d\u958b\u767c\u8005\u548c\u7cfb\u7d71\u67b6\u69cb\u5e2b\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u90e8\u7f72\u548c\u7ba1\u7406 Redis \u7b49\u61c9\u7528\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u652f\u6301\u591a\u9054 16384 \u500b\u69fd\u4f4d\uff0c\u63d0\u5347\u6578\u64da\u5206\u7247\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\uff0c\u9069\u5408\u9ad8\u53ef\u7528\u6027\u548c\u53ef\u64f4\u5c55\u6027\u7684\u61c9\u7528\u5834\u666f\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-97988","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97988","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=97988"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97988\/revisions"}],"predecessor-version":[{"id":97989,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97988\/revisions\/97989"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97988"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97988"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97988"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}