{"id":194203,"date":"2024-11-13T04:42:21","date_gmt":"2024-11-12T20:42:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194203\/"},"modified":"2024-11-13T04:42:22","modified_gmt":"2024-11-12T20:42:22","slug":"%e4%b8%80%e8%87%b4%e6%80%a7%e5%93%88%e5%b8%8c%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8b%86%e8%a1%a8%e5%84%aa%e5%8c%96%e6%96%b9%e6%a1%88%ef%bc%88%e4%b8%80%e8%87%b4%e6%80%a7%e5%93%88%e5%b8%8c%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194203\/","title":{"rendered":"\u4e00\u81f4\u6027\u54c8\u5e0c\uff1a\u6578\u64da\u5eab\u62c6\u8868\u512a\u5316\u65b9\u6848\uff08\u4e00\u81f4\u6027\u54c8\u5e0c\u6578\u64da\u5eab\u62c6\u8868\uff09"},"content":{"rendered":"<h1 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id=\"%e6%8b%86%e8%a1%a8%e7%9a%84%e6%8c%91%e6%88%b0-bkeKZBxBNu\">\u62c6\u8868\u7684\u6311\u6230<\/h3>\n<p>\u7136\u800c\uff0c\u62c6\u8868\u4e26\u4e0d\u662f\u4e00\u4ef6\u7c21\u55ae\u7684\u4e8b\u60c5\u3002\u4e3b\u8981\u6311\u6230\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u7684\u91cd\u65b0\u5206\u914d\uff1a\u5982\u4f55\u5c07\u73fe\u6709\u6578\u64da\u6709\u6548\u5730\u5206\u914d\u5230\u65b0\u8868\u4e2d\u3002<\/li>\n<li>\u67e5\u8a62\u7684\u8907\u96dc\u6027\uff1a\u62c6\u8868\u5f8c\uff0c\u5982\u4f55\u4fdd\u8b49\u67e5\u8a62\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002<\/li>\n<li>\u6578\u64da\u4e00\u81f4\u6027\uff1a\u5728\u591a\u500b\u8868\u4e4b\u9593\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%b8%80%e8%87%b4%e6%80%a7%e5%93%88%e5%b8%8c%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8b%86%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-bkeKZBxBNu\">\u4e00\u81f4\u6027\u54c8\u5e0c\u5728\u6578\u64da\u5eab\u62c6\u8868\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u4e00\u81f4\u6027\u54c8\u5e0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u4e0a\u8ff0\u6311\u6230\u3002\u901a\u904e\u5c07\u6578\u64da\u9805\u6620\u5c04\u5230\u54c8\u5e0c\u74b0\u4e0a\uff0c\u53ef\u4ee5\u6839\u64da\u9700\u8981\u5c07\u6578\u64da\u5206\u914d\u5230\u4e0d\u540c\u7684\u8868\u4e2d\u3002\u9019\u6a23\uff0c\u7576\u9700\u8981\u62c6\u5206\u8868\u6642\uff0c\u53ea\u9700\u8abf\u6574\u54c8\u5e0c\u74b0\u4e0a\u7684\u7bc0\u9ede\uff0c\u800c\u4e0d\u5fc5\u5c0d\u6574\u500b\u6578\u64da\u5eab\u9032\u884c\u5927\u898f\u6a21\u7684\u91cd\u69cb\u3002<\/p>\n<h3 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-bkeKZBxBNu\">\u5be6\u73fe\u793a\u4f8b<\/h3>\n<pre><code>\nfunction consistentHash(data, nodes) {\n    const hash = hashFunction(data);\n    const index = hash % nodes.length;\n    return nodes[index];\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4e2d\uff0c`consistentHash` \u51fd\u6578\u6839\u64da\u6578\u64da\u9805\u7684\u54c8\u5e0c\u503c\u9078\u64c7\u4e00\u500b\u7bc0\u9ede\u3002\u9019\u6a23\u7684\u5be6\u73fe\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u6578\u64da\u5206\u914d\u5230\u4e0d\u540c\u7684\u8868\u4e2d\uff0c\u4e26\u5728\u9700\u8981\u6642\u9032\u884c\u64f4\u5c55\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-bkeKZBxBNu\">\u7d50\u8ad6<\/h2>\n<p>\u4e00\u81f4\u6027\u54c8\u5e0c\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5206\u914d\u7b97\u6cd5\uff0c\u70ba\u6578\u64da\u5eab\u62c6\u8868\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u4e14\u53ef\u64f4\u5c55\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u6700\u5c0f\u5316\u6578\u64da\u7684\u91cd\u65b0\u5206\u914d\uff0c\u4e00\u81f4\u6027\u54c8\u5e0c\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u7c21\u5316\u4e86\u6578\u64da\u7ba1\u7406\u7684\u8907\u96dc\u6027\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u6301\u7e8c\u589e\u9577\uff0c\u9019\u4e00\u6280\u8853\u5c07\u5728\u672a\u4f86\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u626e\u6f14\u8d8a\u4f86\u8d8a\u91cd\u8981\u7684\u89d2\u8272\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\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK 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