{"id":134619,"date":"2024-10-31T01:40:18","date_gmt":"2024-10-30T17:40:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/134619\/"},"modified":"2024-10-31T01:40:19","modified_gmt":"2024-10-30T17:40:19","slug":"redis%e6%ba%90%e7%a2%bc%e9%9b%86%e7%be%a4%e4%b8%80%e7%aa%ba%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%ef%bc%88redis%e6%ba%90%e7%a2%bc%e9%9b%86%e7%be%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/134619\/","title":{"rendered":"Redis\u6e90\u78bc\u96c6\u7fa4\u4e00\u7aba\u5be6\u73fe\u539f\u7406\uff08redis\u6e90\u78bc\u96c6\u7fa4\uff09"},"content":{"rendered":"<h1 id=\"redis%e6%ba%90%e7%a2%bc%e9%9b%86%e7%be%a4%e4%b8%80%e7%aa%ba%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-OgUZoqXZbd\">Redis\u6e90\u78bc\u96c6\u7fa4\u4e00\u7aba\u5be6\u73fe\u539f\u7406<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u55ae\u4e00\u5be6\u4f8b\u7684Redis\u53ef\u80fd\u7121\u6cd5\u6eff\u8db3\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u7684\u9700\u6c42\uff0c\u56e0\u6b64Redis\u96c6\u7fa4\u7684\u51fa\u73fe\u4fbf\u6210\u70ba\u4e86\u4e00\u7a2e\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u6e90\u78bc\u96c6\u7fa4\u7684\u5be6\u73fe\u539f\u7406\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u80cc\u5f8c\u7684\u6280\u8853\u67b6\u69cb\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-OgUZoqXZbd\">Redis\u96c6\u7fa4\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u67b6\u69cb\uff0c\u5141\u8a31\u5c07\u6578\u64da\u5206\u6563\u5b58\u5132\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e2d\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u80fd\u5920\u5be6\u73fe\u6c34\u5e73\u64f4\u5c55\u3002Redis\u96c6\u7fa4\u7684\u6838\u5fc3\u6982\u5ff5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u7247\uff08Sharding\uff09<\/strong>\uff1a\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u6bcf\u500b\u7bc0\u9ede\u8ca0\u8cac\u4e00\u90e8\u5206\u6578\u64da\u3002<\/li>\n<li><strong>\u4e3b\u5f9e\u8907\u88fd\uff08Master-Slave Replication\uff09<\/strong>\uff1a\u6bcf\u500b\u4e3b\u7bc0\u9ede\u53ef\u4ee5\u6709\u591a\u500b\u5f9e\u7bc0\u9ede\uff0c\u5f9e\u7bc0\u9ede\u7528\u65bc\u6578\u64da\u7684\u5197\u9918\u5099\u4efd\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\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e7%9a%84%e6%9e%b6%e6%a7%8b-OgUZoqXZbd\">Redis\u96c6\u7fa4\u7684\u67b6\u69cb<\/h2>\n<p>Redis\u96c6\u7fa4\u7684\u67b6\u69cb\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u7bc0\u9ede\uff08Node\uff09<\/strong>\uff1a\u6bcf\u500bRedis\u5be6\u4f8b\u7a31\u70ba\u4e00\u500b\u7bc0\u9ede\uff0c\u7bc0\u9ede\u53ef\u4ee5\u662f\u4e3b\u7bc0\u9ede\u6216\u5f9e\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u69fd\uff08Slot\uff09<\/strong>\uff1aRedis\u96c6\u7fa4\u5c07\u6578\u64da\u5206\u70ba16384\u500b\u69fd\uff0c\u6bcf\u500b\u9375\u503c\u5c0d\u90fd\u6703\u88ab\u6620\u5c04\u5230\u9019\u4e9b\u69fd\u4e2d\u3002\u6bcf\u500b\u4e3b\u7bc0\u9ede\u8ca0\u8cac\u4e00\u5b9a\u7bc4\u570d\u7684\u69fd\u3002<\/li>\n<li><strong>\u96c6\u7fa4\u7e3d\u7dda\uff08Cluster Bus\uff09<\/strong>\uff1a\u7528\u65bc\u7bc0\u9ede\u4e4b\u9593\u7684\u901a\u4fe1\uff0c\u652f\u6301\u547d\u4ee4\u7684\u50b3\u905e\u548c\u72c0\u614b\u7684\u540c\u6b65\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%88%86%e7%89%87%e7%9a%84%e5%af%a6%e7%8f%be-OgUZoqXZbd\">\u6578\u64da\u5206\u7247\u7684\u5be6\u73fe<\/h2>\n<p>\u5728Redis\u96c6\u7fa4\u4e2d\uff0c\u6578\u64da\u7684\u5206\u7247\u662f\u901a\u904e\u54c8\u5e0c\u7b97\u6cd5\u4f86\u5be6\u73fe\u7684\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u7576\u4e00\u500b\u9375\u88ab\u63d2\u5165\u6642\uff0cRedis\u6703\u8a08\u7b97\u8a72\u9375\u7684\u54c8\u5e0c\u503c\uff0c\u7136\u5f8c\u5c07\u5176\u6620\u5c04\u523016384\u500b\u69fd\u4e2d\u7684\u4e00\u500b\u3002\u9019\u6a23\uff0c\u6bcf\u500b\u4e3b\u7bc0\u9ede\u5c31\u80fd\u5920\u6839\u64da\u69fd\u7684\u7bc4\u570d\u4f86\u5b58\u5132\u548c\u6aa2\u7d22\u6578\u64da\u3002<\/p>\n<pre><code>\nfunction getSlot(key) {\n    return crc16(key) % 16384;\n}\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u8a08\u7b97\u4e00\u500b\u9375\u7684\u69fd\u4f4d\u3002\u9019\u7a2e\u65b9\u6cd5\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u5747\u52fb\u5206\u4f48\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u96c6\u7fa4\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e8%bd%89%e7%a7%bb%e7%9a%84%e6%a9%9f%e5%88%b6-OgUZoqXZbd\">\u6545\u969c\u8f49\u79fb\u7684\u6a5f\u5236<\/h2>\n<p>Redis\u96c6\u7fa4\u7684\u6545\u969c\u8f49\u79fb\u6a5f\u5236\u662f\u5176\u9ad8\u53ef\u7528\u6027\u7684\u91cd\u8981\u4fdd\u8b49\u3002\u7576\u4e3b\u7bc0\u9ede\u5931\u6548\u6642\uff0c\u96c6\u7fa4\u6703\u81ea\u52d5\u9078\u8209\u4e00\u500b\u5f9e\u7bc0\u9ede\u4f5c\u70ba\u65b0\u7684\u4e3b\u7bc0\u9ede\u3002\u9019\u4e00\u904e\u7a0b\u7531\u96c6\u7fa4\u4e2d\u7684\u5176\u4ed6\u7bc0\u9ede\u5354\u540c\u5b8c\u6210\uff0c\u5177\u9ad4\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u6aa2\u6e2c\u5230\u4e3b\u7bc0\u9ede\u5931\u6548\u3002<\/li>\n<li>\u5f9e\u7bc0\u9ede\u767c\u8d77\u6295\u7968\uff0c\u9078\u8209\u65b0\u7684\u4e3b\u7bc0\u9ede\u3002<\/li>\n<li>\u66f4\u65b0\u96c6\u7fa4\u72c0\u614b\uff0c\u5c07\u65b0\u7684\u4e3b\u7bc0\u9ede\u4fe1\u606f\u901a\u77e5\u6240\u6709\u7bc0\u9ede\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OgUZoqXZbd\">\u7e3d\u7d50<\/h2>\n<p>Redis\u96c6\u7fa4\u901a\u904e\u5206\u7247\u3001\u4e3b\u5f9e\u8907\u88fd\u548c\u6545\u969c\u8f49\u79fb\u7b49\u6a5f\u5236\uff0c\u5be6\u73fe\u4e86\u9ad8\u53ef\u7528\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002\u9019\u4e9b\u7279\u6027\u4f7f\u5f97Redis\u6210\u70ba\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\uff0c\u9069\u5408\u7528\u65bc\u5404\u7a2e\u9700\u8981\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u5834\u666f\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u7a69\u5b9a\u7684\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u652f\u6301\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u90e8\u7f72\u548c\u7ba1\u7406Redis\u96c6\u7fa4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eRedis\u6e90\u78bc\u96c6\u7fa4\u7684\u5be6\u73fe\u539f\u7406\uff0c\u63ed\u793a\u5176\u67b6\u69cb\u3001\u6578\u64da\u5206\u7247\u53ca\u9ad8\u53ef\u7528\u6027\u8a2d\u8a08\uff0c\u52a9\u4f60\u5168\u9762\u7406\u89e3Redis\u96c6\u7fa4\u904b\u4f5c\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-134619","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/134619","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=134619"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/134619\/revisions"}],"predecessor-version":[{"id":134620,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/134619\/revisions\/134620"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=134619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=134619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=134619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}