{"id":159673,"date":"2024-11-03T16:36:21","date_gmt":"2024-11-03T08:36:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159673\/"},"modified":"2024-11-03T16:36:22","modified_gmt":"2024-11-03T08:36:22","slug":"%e7%b4%85%e8%89%b2%e7%a5%9e%e7%8d%b8redis%e6%a7%bd%e8%88%87%e9%8d%b5%e7%9a%84%e5%a5%a7%e7%a5%95%ef%bc%88redis%e6%a7%bd%e5%92%8ckey%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159673\/","title":{"rendered":"\u7d05\u8272\u795e\u7378Redis\u69fd\u8207\u9375\u7684\u5967\u7955\uff08redis\u69fd\u548ckey\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e7%a5%9e%e7%8d%b8redis%e6%a7%bd%e8%88%87%e9%8d%b5%e7%9a%84%e5%a5%a7%e7%a5%95%ef%bc%88redis%e6%a7%bd%e5%92%8ckey%ef%bc%89-hSmarLNBKJ\">\u7d05\u8272\u795e\u7378Redis\u69fd\u8207\u9375\u7684\u5967\u7955\uff08redis\u69fd\u548ckey\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u7d44\u4ef6\u3002Redis\u4e0d\u50c5\u63d0\u4f9b\u4e86\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u80fd\u529b\uff0c\u9084\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u8868\u73fe\u51fa\u8272\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u4e2d\u7684\u69fd\uff08slot\uff09\u548c\u9375\uff08key\uff09\u7684\u6982\u5ff5\uff0c\u4e26\u63ed\u793a\u5b83\u5011\u5728\u6578\u64da\u5206\u7247\u548c\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%8d%b5%ef%bc%88key%ef%bc%89%ef%bc%9f-hSmarLNBKJ\">\u4ec0\u9ebc\u662fRedis\u9375\uff08Key\uff09\uff1f<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u9375\u662f\u7528\u4f86\u552f\u4e00\u6a19\u8b58\u6578\u64da\u7684\u5b57\u7b26\u4e32\u3002\u6bcf\u500b\u9375\u90fd\u5c0d\u61c9\u8457\u4e00\u500b\u503c\uff0c\u9019\u500b\u503c\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u54c8\u5e0c\u7b49\u591a\u7a2e\u6578\u64da\u985e\u578b\u3002\u9375\u7684\u8a2d\u8a08\u5c0d\u65bc\u6578\u64da\u7684\u7d44\u7e54\u548c\u5b58\u53d6\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9375\u7684\u7279\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>\u6bcf\u500b\u9375\u5728Redis\u6578\u64da\u5eab\u4e2d\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u9019\u6a23\u624d\u80fd\u6b63\u78ba\u5730\u5b58\u53d6\u5c0d\u61c9\u7684\u503c\u3002<\/li>\n<li><strong>\u53ef\u8b80\u6027\uff1a<\/strong>\u826f\u597d\u7684\u9375\u547d\u540d\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\uff0c\u4fbf\u65bc\u7dad\u8b77\u548c\u7ba1\u7406\u3002<\/li>\n<li><strong>\u547d\u540d\u7a7a\u9593\uff1a<\/strong>\u4f7f\u7528\u5192\u865f\uff08:\uff09\u4f86\u5283\u5206\u547d\u540d\u7a7a\u9593\uff0c\u4f8b\u5982\uff1a<code>user:1001:name<\/code>\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e6%a7%bd%ef%bc%88slot%ef%bc%89%ef%bc%9f-hSmarLNBKJ\">\u4ec0\u9ebc\u662fRedis\u69fd\uff08Slot\uff09\uff1f<\/h2>\n<p>Redis\u69fd\u662f\u4e00\u7a2e\u7528\u65bc\u6578\u64da\u5206\u7247\u7684\u6a5f\u5236\u3002\u7576\u4f7f\u7528Redis\u96c6\u7fa4\u6642\uff0c\u6578\u64da\u6703\u88ab\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002Redis\u96c6\u7fa4\u5c07\u9375\u6620\u5c04\u523016384\u500b\u69fd\u4e2d\uff0c\u9019\u4e9b\u69fd\u5206\u4f48\u5728\u4e0d\u540c\u7684\u7bc0\u9ede\u4e0a\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97Redis\u80fd\u5920\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u6709\u6548\u5730\u5206\u914d\u6578\u64da\u3002<\/p>\n<h3 id=\"%e6%a7%bd%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-hSmarLNBKJ\">\u69fd\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>\u7576\u4e00\u500b\u9375\u88ab\u5b58\u5132\u5230Redis\u4e2d\u6642\uff0cRedis\u6703\u4f7f\u7528\u4e00\u500b\u54c8\u5e0c\u51fd\u6578\u4f86\u8a08\u7b97\u8a72\u9375\u6240\u5c0d\u61c9\u7684\u69fd\u865f\u3002\u5177\u9ad4\u4f86\u8aaa\uff0cRedis\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u4f86\u8a08\u7b97\u69fd\u865f\uff1a<\/p>\n<pre><code>slot = CRC16(key) mod 16384<\/code><\/pre>\n<p>\u9019\u610f\u5473\u8457\u6bcf\u500b\u9375\u90fd\u6703\u88ab\u6620\u5c04\u5230\u4e00\u500b\u7279\u5b9a\u7684\u69fd\uff0c\u4e26\u4e14\u9019\u500b\u69fd\u6703\u88ab\u5206\u914d\u7d66\u4e00\u500b\u7279\u5b9a\u7684\u7bc0\u9ede\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u5b58\u53d6\u901f\u5ea6\uff0c\u9084\u80fd\u5920\u5728\u7bc0\u9ede\u4e4b\u9593\u5747\u8861\u8ca0\u8f09\u3002<\/p>\n<h3 id=\"%e9%8d%b5%e8%88%87%e6%a7%bd%e7%9a%84%e9%97%9c%e4%bf%82-hSmarLNBKJ\">\u9375\u8207\u69fd\u7684\u95dc\u4fc2<\/h3>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u9375\u548c\u69fd\u4e4b\u9593\u7684\u95dc\u4fc2\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u6bcf\u500b\u9375\u90fd\u5fc5\u9808\u6620\u5c04\u5230\u4e00\u500b\u69fd\uff0c\u800c\u6bcf\u500b\u69fd\u53c8\u5fc5\u9808\u6620\u5c04\u5230\u4e00\u500b\u7bc0\u9ede\u3002\u9019\u6a23\u7684\u95dc\u4fc2\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u5206\u4f48\u548c\u5b58\u53d6\u7684\u9ad8\u6548\u6027\u3002\u7576\u4e00\u500b\u9375\u88ab\u67e5\u8a62\u6642\uff0cRedis\u9996\u5148\u8a08\u7b97\u51fa\u8a72\u9375\u7684\u69fd\u865f\uff0c\u7136\u5f8c\u6839\u64da\u69fd\u865f\u627e\u5230\u5c0d\u61c9\u7684\u7bc0\u9ede\uff0c\u6700\u5f8c\u5f9e\u8a72\u7bc0\u9ede\u4e2d\u6aa2\u7d22\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e4%b8%ad%e7%9a%84%e8%80%83%e9%87%8f-hSmarLNBKJ\">\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u8a2d\u8a08Redis\u6578\u64da\u7d50\u69cb\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u8003\u616e\u5230\u9375\u7684\u547d\u540d\u898f\u5247\u548c\u6578\u64da\u7684\u5206\u4f48\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u5408\u7406\u547d\u540d\uff1a<\/strong>\u4f7f\u7528\u6709\u610f\u7fa9\u7684\u9375\u540d\uff0c\u4fbf\u65bc\u8b58\u5225\u548c\u7ba1\u7406\u3002<\/li>\n<li><strong>\u907f\u514d\u71b1\u9ede\uff1a<\/strong>\u78ba\u4fdd\u6578\u64da\u5747\u52fb\u5206\u4f48\uff0c\u907f\u514d\u67d0\u4e9b\u69fd\u904e\u65bc\u7e41\u5fd9\u800c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u76e3\u63a7\u8207\u8abf\u6574\uff1a<\/strong>\u5b9a\u671f\u76e3\u63a7Redis\u96c6\u7fa4\u7684\u6027\u80fd\uff0c\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hSmarLNBKJ\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4e2d\u7684\u69fd\u548c\u9375\u662f\u5176\u9ad8\u6548\u904b\u884c\u7684\u57fa\u77f3\u3002\u7406\u89e3\u9019\u4e9b\u6982\u5ff5\u4e0d\u50c5\u6709\u52a9\u65bc\u958b\u767c\u8005\u66f4\u597d\u5730\u4f7f\u7528Redis\uff0c\u9084\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u5132\u548c\u5feb\u901f\u5b58\u53d6\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684Redis\u914d\u7f6e\u548c\u8a2d\u8a08\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7d05\u8272\u795e\u7378Redis\u4e2d\u7684\u69fd\u8207\u9375\u7684\u5967\u7955\uff0c\u4e86\u89e3\u5176\u904b\u4f5c\u539f\u7406\u53ca\u5728\u6578\u64da\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\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-159673","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159673","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=159673"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159673\/revisions"}],"predecessor-version":[{"id":159674,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159673\/revisions\/159674"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}