{"id":50153,"date":"2023-03-26T11:09:53","date_gmt":"2022-08-12T10:44:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/cassandra%e5%a4%87%e5%bf%98%e5%bd%95%ef%bc%9a%e5%88%86%e5%8c%ba%e9%94%ae%e5%92%8c%e5%88%86%e5%8c%ba%e5%99%a8%e3%80%82\/"},"modified":"2024-01-15T13:08:16","modified_gmt":"2024-01-15T05:08:16","slug":"cassandra%e5%a4%87%e5%bf%98%e5%bd%95%ef%bc%9a%e5%88%86%e5%8c%ba%e9%94%ae%e5%92%8c%e5%88%86%e5%8c%ba%e5%99%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/cassandra%e5%a4%87%e5%bf%98%e5%bd%95%ef%bc%9a%e5%88%86%e5%8c%ba%e9%94%ae%e5%92%8c%e5%88%86%e5%8c%ba%e5%99%a8%e3%80%82\/","title":{"rendered":"Cassandra\u5907\u5fd8\u5f55\uff1a\u5206\u533a\u952e\u548c\u5206\u533a\u5668"},"content":{"rendered":"

\u6211\u5c06\u4f1a\u9605\u8bfb\u4e0a\u8ff0Cassandra 3.0\u7248\u672c\u7684\u6587\u6863\uff0c\u5e76\u505a\u51fa\u76f8\u5173\u7814\u7a76\u7684\u8bb0\u5f55\u3002
\n\u7531\u4e8e\u6211\u5e76\u6ca1\u6709\u5b9e\u9645\u8fd0\u884c\u548c\u786e\u8ba4\uff0c\u6240\u4ee5\u53ef\u80fd\u4f1a\u5b58\u5728\u9519\u8bef\u3002\u8bf7\u60a8\u6307\u51fa\u4efb\u4f55\u53d1\u73b0\u7684\u95ee\u9898\u3002<\/p>\n

\u4e00\u81f4\u6027\u54c8\u5e0c\u6cd5\u548c\u5206\u533a\u952e\u3002<\/h2>\n

Cassandra\u5728\u6570\u636e\u7684\u5206\u6563\u4e0a\u4f7f\u7528\u4e86\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u3002\u53ef\u4ee5\u5728\u8fd9\u5f20\u5e7b\u706f\u7247\u4e2d\u7b80\u6d01\u5730\u89e3\u91ca\u3002\u5c06\u7279\u5b9a\u90e8\u5206\uff08\u952e\uff09\u7684\u6570\u636e\u7ecf\u8fc7\u54c8\u5e0c\u51fd\u6570\u8ba1\u7b97\uff0c\u6839\u636e\u54c8\u5e0c\u503c\u786e\u5b9a\u5c06\u6570\u636e\u5206\u914d\u5230\u54ea\u4e2a\u8282\u70b9\u3002\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c3d\u91cf\u51cf\u5c11\u8282\u70b9\u7684\u6dfb\u52a0\u548c\u5220\u9664\u65f6\u7684\u6570\u636e\u8fc1\u79fb\u3002\u6211\u8ba4\u4e3a\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u662f\u5728\u5c06\u6570\u636e\u5747\u5300\u5206\u5e03\u5230\u591a\u4e2a\u8282\u70b9\u65f6\u7684\u7ecf\u5178\u65b9\u6cd5\u3002<\/p>\n

\u5728Cassandra\u4e2d\uff0c\u53ef\u4ee5\u5c06\u7ecf\u8fc7\u54c8\u5e0c\u5904\u7406\u7684\u952e\u79f0\u4e3a\u5206\u533a\u952e\uff08partition key\uff09\u3002\u6839\u636e\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u8fdb\u884c\u66f4\u6539\uff0c\u4f46\u901a\u5e38\uff08\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff1f\uff09\uff0c\u8868\u7684\u4e3b\u952e\u5c06\u6210\u4e3a\u5206\u533a\u952e\u3002
\n\u5728Cassandra\u4e2d\uff0c\u521b\u5efa\u8868\u65f6\u5fc5\u987b\u6307\u5b9a\u4e3b\u952e\u3002
\n\u8868\u7684\u4e3b\u952e\u4f3c\u4e4e\u662fCassandra\u6570\u636e\u6a21\u578b\u4e2d\u6240\u8ff0\u7684\u201c\u884c\u201d\u4e0a\u7684\u201c\u952e\u201d\u3002<\/p>\n

\u5206\u533a\u5668<\/h2>\n

\u73b0\u5728\uff0c\u8d1f\u8d23\u5c06\u5206\u533a\u5bc6\u94a5\u54c8\u5e0c\u5316\u7684\u89d2\u8272\u662f\u5206\u533a\u5668\uff08Partitioner\uff09\u3002\u6709\u4e09\u79cd\u5206\u533a\u5668\uff0c\u5206\u522b\u662f”Murmur3Partitioner”\u3001”RandomPartitioner”\u548c”ByteOrderedPartitioner”\uff0c\u5b83\u4eec\u5206\u522b\u5c06\u4e0d\u540c\u7684\u54c8\u5e0c\u51fd\u6570\u5e94\u7528\u4e8e\u5206\u533a\u5bc6\u94a5\u3002<\/p>\n

Murmur3\u5206\u533a\u5668<\/h3>\n

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\u968f\u673a\u5206\u533a\u5668<\/h3>\n

Cassandra 1.2\u4e4b\u524d\u7684\u9ed8\u8ba4Partitioner\uff0c\u4e3a\u4e86\u4fdd\u6301\u4e0e\u65e7\u7248\u672c\u7684\u517c\u5bb9\u6027\u800c\u4fdd\u7559\u3002\u4f7f\u7528MD5\u54c8\u5e0c\u51fd\u6570\u3002<\/p>\n

\u5b57\u8282\u6709\u5e8f\u5206\u533a\u5668<\/h3>\n

\u4e3a\u4e86\u517c\u5bb9\u4ee5\u524d\u7684\u7248\u672c\uff0c\u8fd9\u4e2a\u4e5f\u88ab\u4fdd\u7559\u4e0b\u6765\u3002\u5c06\u5206\u533a\u952e\u7684\u503c\u672c\u8eab\u89c6\u4e3a\u54c8\u5e0c\u503c\u3002<\/p>\n

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