{"id":201897,"date":"2025-05-10T09:31:31","date_gmt":"2025-05-10T01:31:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201897\/"},"modified":"2025-05-10T09:31:31","modified_gmt":"2025-05-10T01:31:31","slug":"redis%e5%ae%9e%e7%8e%b0%e4%b8%80%e8%87%b4%e6%80%a7%e5%93%88%e5%b8%8c%e7%ae%97%e6%b3%95%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201897\/","title":{"rendered":"Redis\u5b9e\u73b0\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u8be6\u89e3"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u5b9e\u73b0\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u8be6\u89e3<\/h1>\n

\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f<\/span>\u300aRedis\u5b9e\u73b0\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u8be6\u89e3\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e\u6570\u636e\u5e93<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n

\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\uff08Consistent Hashing Algorithm\uff09\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5206\u5e03\u5f0f\u7f13\u5b58\u3001\u8d1f\u8f7d\u5747\u8861\u7b49\u573a\u666f\u4e2d\uff0c\u53ef\u6709\u6548\u5730\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u4f38\u7f29\u6027\u3002\u5176\u4e2d\uff0cRedis\u4f5c\u4e3a\u4e00\u6b3e\u6d41\u884c\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u4e5f\u91c7\u7528\u4e86\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u6765\u5b9e\u73b0\u6570\u636e\u5206\u5e03\u548c\u8d1f\u8f7d\u5747\u8861\u3002\u672c\u6587\u5c06\u4eceRedis\u5b9e\u73b0\u7684\u89d2\u5ea6\uff0c\u5bf9\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u8fdb\u884c\u8be6\u7ec6\u89e3\u6790\u3002<\/p>\n

    \n
  1. \u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u7b80\u4ecb<\/li>\n<\/ol>\n

    \u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u6700\u65e9\u7531David Karger\u7b49\u4eba\u63d0\u51fa\uff0c\u5b83\u901a\u8fc7\u7b97\u6cd5\u5c06\u6bcf\u4e2a\u8282\u70b9\u6620\u5c04\u5230\u4e00\u4e2a\u73af\u4e0a\uff0c\u7136\u540e\u5c06\u6570\u636e\u6839\u636e\u5176key\u7684\u54c8\u5e0c\u503c\u6620\u5c04\u5230\u540c\u4e00\u73af\u4e0a\uff0c\u6700\u540e\u5c06\u6570\u636e\u5206\u914d\u5230\u73af\u4e0a\u6700\u63a5\u8fd1\u5b83\u7684\u8282\u70b9\u4e0a\u3002\u8fd9\u6837\uff0c\u5f53\u8282\u70b9\u6570\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u53ea\u4f1a\u5f71\u54cd\u5230\u73af\u4e0a\u5c11\u90e8\u5206\u6570\u636e\u7684\u5f52\u5c5e\uff0c\u800c\u4e0d\u4f1a\u5f71\u54cd\u6574\u4e2a\u6570\u636e\u96c6\u5408\u7684\u6570\u636e\u5f52\u5c5e\u3002<\/p>\n

    \u540c\u65f6\uff0c\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u8fd8\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u89e3\u51b3\u4e86”\u70ed\u70b9”\u6570\u636e\u96c6\u4e2d\u7684\u95ee\u9898\u3002\u56e0\u4e3a\u54c8\u5e0c\u503c\u7684\u5206\u5e03\u662f\u5747\u5300\u7684\uff0c\u6240\u4ee5\u6570\u636e\u7684\u5206\u5e03\u4e5f\u662f\u5747\u5300\u7684\uff0c\u8fd9\u5c31\u4f7f\u5f97\u4efb\u610f\u8282\u70b9\u4e0a\u7684\u6570\u636e\u90fd\u5206\u5e03\u5f97\u8fd1\u4f3c\u5e73\u5747\uff0c\u4ece\u800c\u907f\u514d\u4e86\u5355\u4e2a\u8282\u70b9\u627f\u8f7d\u8fc7\u591a\u6570\u636e\u7684\u60c5\u51b5\u3002<\/p>\n

      \n
    1. Redis\u5b9e\u73b0\u7684\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5<\/li>\n<\/ol>\n

      Redis\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5176\u5b9e\u73b0\u7684\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u4e5f\u662f\u5341\u5206\u9ad8\u6548\u548c\u7075\u6d3b\u7684\u3002\u5177\u4f53\u800c\u8a00\uff0cRedis\u5b9e\u73b0\u7684\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

      \uff081\uff09\u521d\u59cb\u5316\u73af<\/p>\n

      \u9996\u5148\uff0c\u9700\u8981\u5b9a\u4e49\u4e00\u4e2aHash\u73af\uff0c\u5c06\u6240\u6709\u7684\u8282\u70b9\u6620\u5c04\u5230\u73af\u4e0a\u3002\u8fd9\u4e2a\u73af\u53ef\u4ee5\u7528\u4e00\u4e2a\u6570\u7ec4\u6216\u8005\u4e00\u68f5\u6811\u6765\u5b9e\u73b0\u3002Redis\u4e2d\u4e00\u822c\u91c7\u7528\u4e86\u54c8\u5e0c\u73af\u7684\u65b9\u5f0f\uff0c\u7528\u4e00\u4e2a\u6709\u5e8f\u94fe\u8868\u4fdd\u5b58\u6240\u6709\u7684\u8282\u70b9\uff0c\u6bcf\u4e2a\u8282\u70b9\u5728\u94fe\u8868\u4e2d\u7684\u4f4d\u7f6e\u6839\u636e\u5176\u54c8\u5e0c\u503c\u7684\u5927\u5c0f\u800c\u5b9a\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u54c8\u5e0c\u73af\u4e0a\u7684\u8282\u70b9\u6570\u4e00\u822c\u6bd4\u8f83\u5c0f\uff0c\u6240\u4ee5\u53ef\u4ee5\u901a\u8fc7\u591a\u526f\u672c\u7684\u65b9\u5f0f\u6765\u589e\u5f3a\u6570\u636e\u7684\u590d\u5236\u548c\u5bb9\u9519\u6027\u3002<\/p>\n

      \uff082\uff09\u5bf9\u6570\u636e\u8fdb\u884cHash<\/p>\n

      \u5bf9\u4e8e\u4e00\u4e2a\u6570\u636e\u800c\u8a00\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u5176key\u8fdb\u884cHash\uff0c\u5c06\u5176\u6620\u5c04\u5230\u54c8\u5e0c\u73af\u4e0a\u7684\u67d0\u4e2a\u4f4d\u7f6e\u3002\u8fd9\u91cc\u8981\u6ce8\u610f\uff0cRedis\u4e2d\u91c7\u7528\u4e86\u4e00\u79cd\u7279\u6b8a\u7684Hash\u7b97\u6cd5\uff0c\u5176\u539f\u7406\u7c7b\u4f3c\u4e8eMD5\u7b97\u6cd5\u3002\u8fd9\u4e2a\u7b97\u6cd5\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u5c3d\u53ef\u80fd\u5730\u4fdd\u8bc1\u54c8\u5e0c\u503c\u7684\u5747\u5300\u5206\u5e03\u3002<\/p>\n

      \uff083\uff09\u4e3a\u6570\u636e\u5206\u914d\u8282\u70b9<\/p>\n

      \u627e\u5230\u6570\u636e\u5728\u54c8\u5e0c\u73af\u4e0a\u5bf9\u5e94\u7684\u4f4d\u7f6e\u4e4b\u540e\uff0c\u9700\u8981\u627e\u5230\u5b83\u6240\u5728\u7684\u8282\u70b9\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u7528\u4e24\u79cd\u65b9\u5f0f\u6765\u5b9e\u73b0\uff1a\u987a\u65f6\u9488\u67e5\u627e\u548c\u8df3\u8dc3\u67e5\u627e\u3002\u524d\u8005\u5373\u4ece\u5f53\u524d\u4f4d\u7f6e\u5f00\u59cb\u987a\u65f6\u9488\u6cbf\u7740\u54c8\u5e0c\u73af\u67e5\u627e\uff0c\u76f4\u5230\u627e\u5230\u7b2c\u4e00\u4e2a\u8282\u70b9\u4e3a\u6b62\u3002\u8fd9\u4e2a\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\uff0c\u4f46\u53ef\u80fd\u9020\u6210\u8282\u70b9\u8d1f\u8f7d\u4e0d\u5e73\u8861\u3002\u53cd\u4e4b\uff0c\u8df3\u8dc3\u67e5\u627e\u5219\u662f\u5728\u73af\u4e0a\u8df3\u8dc3\u4e00\u4e2a\u56fa\u5b9a\u7684\u6b65\u957f\u6765\u67e5\u627e\u8282\u70b9\uff0c\u8fd9\u4e2a\u6b65\u957f\u4e00\u822c\u662f\u8282\u70b9\u7684\u5e73\u5747\u54c8\u5e0c\u503c\u8ddd\u79bb\u3002\u8fd9\u4e2a\u65b9\u6cd5\u867d\u7136\u66f4\u52a0\u590d\u6742\uff0c\u4f46\u53ef\u4ee5\u6bd4\u8f83\u597d\u5730\u5e73\u8861\u8282\u70b9\u8d1f\u8f7d\u3002<\/p>\n

      \uff084\uff09\u589e\u52a0\/\u79fb\u9664\u8282\u70b9<\/p>\n

      \u5f53\u7cfb\u7edf\u4e2d\u589e\u52a0\/\u79fb\u9664\u4e00\u4e2a\u8282\u70b9\u65f6\uff0c\u53ea\u9700\u8981\u91cd\u65b0\u8ba1\u7b97\u8fd9\u4e2a\u8282\u70b9\u6240\u8d1f\u8d23\u7684\u6570\u636e\u5373\u53ef\u3002\u5177\u4f53\u800c\u8a00\uff0c\u5982\u679c\u662f\u589e\u52a0\u8282\u70b9\uff0c\u5219\u9700\u8981\u5c06\u5176\u6240\u6709\u5e94\u8be5\u8d1f\u8d23\u7684\u6570\u636e\u79fb\u52a8\u5230\u65b0\u8282\u70b9\u4e0a\u3002\u5982\u679c\u662f\u79fb\u9664\u8282\u70b9\uff0c\u5219\u9700\u8981\u5c06\u5176\u5e94\u8be5\u8d1f\u8d23\u7684\u6240\u6709\u6570\u636e\u5206\u914d\u5230\u5176\u4ed6\u8282\u70b9\u4e0a\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u4e00\u822c\u91c7\u7528\u591a\u526f\u672c\u590d\u5236\u7684\u65b9\u5f0f\u6765\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5bb9\u9519\u6027\u3002<\/p>\n

        \n
      1. \u603b\u7ed3<\/li>\n<\/ol>\n

        \u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u662f\u4e00\u79cd\u9ad8\u6548\u3001\u7075\u6d3b\u548c\u53ef\u6269\u5c55\u7684\u7b97\u6cd5\uff0c\u53ef\u4ee5\u5e94\u7528\u4e8e\u5206\u5e03\u5f0f\u7f13\u5b58\u3001\u8d1f\u8f7d\u5747\u8861\u7b49\u573a\u666f\u4e2d\u3002Redis\u4f5c\u4e3a\u4e00\u6b3e\u6d41\u884c\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u4e5f\u91c7\u7528\u4e86\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u6765\u5b9e\u73b0\u6570\u636e\u5206\u5e03\u548c\u8d1f\u8f7d\u5747\u8861\u3002\u901a\u8fc7\u5bf9Redis\u5b9e\u73b0\u7684\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u7684\u5206\u6790\u548c\u89e3\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u7406\u89e3\u8fd9\u4e2a\u7b97\u6cd5\u7684\u539f\u7406\u548c\u5b9e\u73b0\u7ec6\u8282\u3002<\/p>\n

        \n
        \n <\/dt>\n
        \n \u6784\u5efa\u9ad8\u5e76\u53d1\u3001\u9ad8\u53ef\u9760\u6027\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\uff1ago-zero\u7684\u5e94\u7528\u4e0e\u5b9e\u8df5\n <\/dd>\n<\/dl>\n
        \n
        \n <\/dt>\n
        \n Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u8be6\u89e3\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

        Redis\u5b9e\u73b0\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u8be6\u89e3...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201897","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201897","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201897"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201897\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}