{"id":181198,"date":"2024-11-09T15:03:16","date_gmt":"2024-11-09T07:03:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181198\/"},"modified":"2024-11-09T15:03:17","modified_gmt":"2024-11-09T07:03:17","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3redis%e9%9b%86%e7%be%a4%e6%a8%a1%e5%bc%8f%e6%9e%b6%e6%a7%8b%e5%9c%96%ef%bc%88redis%e9%9b%86%e7%be%a4%e6%a8%a1%e5%bc%8f%e6%9e%b6%e6%a7%8b%e5%9c%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181198\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3Redis\u96c6\u7fa4\u6a21\u5f0f\u67b6\u69cb\u5716\uff08redis\u96c6\u7fa4\u6a21\u5f0f\u67b6\u69cb\u5716\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3redis%e9%9b%86%e7%be%a4%e6%a8%a1%e5%bc%8f%e6%9e%b6%e6%a7%8b%e5%9c%96-YwQAhByIaA\">\u6df1\u5165\u7406\u89e3Redis\u96c6\u7fa4\u6a21\u5f0f\u67b6\u69cb\u5716<\/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\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u55ae\u4e00\u5be6\u4f8b\u7684Redis\u53ef\u80fd\u7121\u6cd5\u6eff\u8db3\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u7684\u9700\u6c42\uff0c\u56e0\u6b64Redis\u96c6\u7fa4\u6a21\u5f0f\u61c9\u904b\u800c\u751f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u96c6\u7fa4\u6a21\u5f0f\u7684\u67b6\u69cb\u5716\u53ca\u5176\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e6%a8%a1%e5%bc%8f%e6%a6%82%e8%bf%b0-YwQAhByIaA\">Redis\u96c6\u7fa4\u6a21\u5f0f\u6982\u8ff0<\/h2>\n<p>Redis\u96c6\u7fa4\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u67b6\u69cb\uff0c\u5141\u8a31\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500bRedis\u5be6\u4f8b\u4e2d\u3002\u9019\u7a2e\u6a21\u5f0f\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\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u81ea\u52d5\u5206\u7247\uff1a\u6578\u64da\u6839\u64da\u54c8\u5e0c\u69fd\u81ea\u52d5\u5206\u914d\u5230\u4e0d\u540c\u7684\u7bc0\u9ede\u3002<\/li>\n<li>\u9ad8\u53ef\u7528\u6027\uff1a\u652f\u6301\u4e3b\u5f9e\u8907\u88fd\uff0c\u7576\u4e3b\u7bc0\u9ede\u6545\u969c\u6642\uff0c\u5f9e\u7bc0\u9ede\u53ef\u4ee5\u81ea\u52d5\u63d0\u5347\u70ba\u4e3b\u7bc0\u9ede\u3002<\/li>\n<li>\u7121\u4e2d\u5fc3\u5316\uff1a\u6bcf\u500b\u7bc0\u9ede\u90fd\u662f\u5e73\u7b49\u7684\uff0c\u6c92\u6709\u55ae\u9ede\u6545\u969c\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e9%9b%86%e7%be%a4%e6%9e%b6%e6%a7%8b%e5%9c%96-YwQAhByIaA\">Redis\u96c6\u7fa4\u67b6\u69cb\u5716<\/h2>\n<p>\u5728\u7406\u89e3Redis\u96c6\u7fa4\u6a21\u5f0f\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u5176\u67b6\u69cb\u5716\u3002\u4ee5\u4e0b\u662fRedis\u96c6\u7fa4\u7684\u57fa\u672c\u67b6\u69cb\u5716\u793a\u610f\uff1a<\/p>\n<pre>\n+-----------------+       +-----------------+\n|     \u4e3b\u7bc0\u9ede1     ||     \u4e3b\u7bc0\u9ede2     |\n|  (master node)  |       |  (master node)  |\n+-----------------+       +-----------------+\n        |                         |\n        |                         |\n+-----------------+       +-----------------+\n|     \u5f9e\u7bc0\u9ede1     |       |     \u5f9e\u7bc0\u9ede2     |\n|  (slave node)   |       |  (slave node)   |\n+-----------------+       +-----------------+\n<\/pre>\n<p>\u5728\u9019\u500b\u67b6\u69cb\u4e2d\uff0c\u6bcf\u500b\u4e3b\u7bc0\u9ede\u90fd\u6709\u4e00\u500b\u6216\u591a\u500b\u5f9e\u7bc0\u9ede\u3002\u4e3b\u7bc0\u9ede\u8ca0\u8cac\u8655\u7406\u5beb\u8acb\u6c42\uff0c\u800c\u5f9e\u7bc0\u9ede\u5247\u7528\u65bc\u8b80\u53d6\u8acb\u6c42\uff0c\u4e26\u4e14\u6703\u5b9a\u671f\u5f9e\u4e3b\u7bc0\u9ede\u540c\u6b65\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%93%88%e5%b8%8c%e6%a7%bd%e7%9a%84%e6%a6%82%e5%bf%b5-YwQAhByIaA\">\u54c8\u5e0c\u69fd\u7684\u6982\u5ff5<\/h2>\n<p>Redis\u96c6\u7fa4\u4f7f\u7528\u54c8\u5e0c\u69fd\u4f86\u5be6\u73fe\u6578\u64da\u7684\u5206\u7247\u3002\u6574\u500b\u96c6\u7fa4\u670916384\u500b\u54c8\u5e0c\u69fd\uff0c\u7576\u4e00\u500b\u9375\u88ab\u63d2\u5165\u6642\uff0cRedis\u6703\u8a08\u7b97\u8a72\u9375\u7684\u54c8\u5e0c\u503c\u4e26\u5c07\u5176\u6620\u5c04\u5230\u4e00\u500b\u54c8\u5e0c\u69fd\u3002\u9019\u6a23\uff0c\u6578\u64da\u5c31\u53ef\u4ee5\u6839\u64da\u54c8\u5e0c\u69fd\u5206\u914d\u5230\u4e0d\u540c\u7684\u4e3b\u7bc0\u9ede\u4e0a\u3002<\/p>\n<pre><code>\n# \u8a08\u7b97\u54c8\u5e0c\u69fd\u7684\u793a\u4f8b\ndef get_hash_slot(key):\n    return hash(key) % 16384\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5c0d\u65bc\u9375\u201cuser:1001\u201d\uff0c\u8a08\u7b97\u51fa\u4f86\u7684\u54c8\u5e0c\u69fd\u53ef\u80fd\u662f1234\uff0c\u9019\u610f\u5473\u8457\u8a72\u9375\u7684\u6578\u64da\u5c07\u5b58\u5132\u5728\u8ca0\u8cac\u8a72\u54c8\u5e0c\u69fd\u7684\u4e3b\u7bc0\u9ede\u4e0a\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e8%bd%89%e7%a7%bb%e8%88%87%e9%ab%98%e5%8f%af%e7%94%a8%e6%80%a7-YwQAhByIaA\">\u6545\u969c\u8f49\u79fb\u8207\u9ad8\u53ef\u7528\u6027<\/h2>\n<p>Redis\u96c6\u7fa4\u7684\u9ad8\u53ef\u7528\u6027\u662f\u901a\u904e\u4e3b\u5f9e\u8907\u88fd\u548c\u6545\u969c\u8f49\u79fb\u6a5f\u5236\u5be6\u73fe\u7684\u3002\u7576\u4e00\u500b\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\u662f\u81ea\u52d5\u7684\uff0c\u7121\u9700\u4eba\u5de5\u5e72\u9810\uff0c\u5f9e\u800c\u4fdd\u8b49\u4e86\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YwQAhByIaA\">\u7e3d\u7d50<\/h2>\n<p>Redis\u96c6\u7fa4\u6a21\u5f0f\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u3001\u53ef\u64f4\u5c55\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u8655\u7406\u5927\u898f\u6a21\u6578\u64da\u7684\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u81ea\u52d5\u5206\u7247\u3001\u4e3b\u5f9e\u8907\u88fd\u548c\u6545\u969c\u8f49\u79fb\u7b49\u6a5f\u5236\uff0cRedis\u96c6\u7fa4\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u7684\u9ad8\u53ef\u7528\u6027\u548c\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684Redis\u96c6\u7fa4\u67b6\u69cb\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u60a8\u90fd\u53ef\u4ee5\u5728\u6211\u5011\u7684\u7db2\u7ad9\u4e0a\u627e\u5230\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u7406\u89e3Redis\u96c6\u7fa4\u6a21\u5f0f\u67b6\u69cb\u5716\uff0c\u63a2\u7d22\u5176\u5206\u5e03\u5f0f\u6578\u64da\u5b58\u5132\u3001\u7bc0\u9ede\u7ba1\u7406\u53ca\u9ad8\u53ef\u7528\u6027\u7279\u6027\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u64f4\u5c55\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-181198","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181198","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=181198"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181198\/revisions"}],"predecessor-version":[{"id":181199,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181198\/revisions\/181199"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}