{"id":33975,"date":"2023-06-10T20:00:50","date_gmt":"2023-06-10T12:00:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=33975"},"modified":"2023-07-31T02:08:02","modified_gmt":"2023-07-30T18:08:02","slug":"teradata%e4%b8%8egreenplum%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/33975.html","title":{"rendered":"teradata\u4e0egreenplum\u7684\u533a\u522b"},"content":{"rendered":"
\n

teradata\u4e0egreenplum\u7684\u533a\u522b\uff1a1\u3001\u67b6\u6784\u4e0d\u540c\uff1b2\u3001\u6570\u636e\u5b58\u50a8\u4e0d\u540c\uff1b3\u3001\u7f29\u653e\u6027\u4e0d\u540c\uff1b4\u3001\u6570\u636e\u64cd\u4f5c\u4e0d\u540c\uff1b5\u3001\u6210\u672c\u4e0d\u540c\uff1b6\u3001\u517c\u5bb9\u6027\u4e0d\u540c\u3002\u67b6\u6784\u4e0d\u540c\u662f\u6307\uff0cTeradata\u662f\u4e00\u79cd\u5bf9\u79f0\u591a\u5904\u7406\u67b6\u6784\uff0c\u800cGreenplum\u662f\u4e00\u79cd\u4ee5\u5171\u4eab\u65e0\u963b\u585e\u5f0f\u5e73\u884c\u8ba1\u7b97\u4e3a\u57fa\u7840\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u3002<\/p>\n<\/blockquote>\n

\n
\"\"<\/figure>\n<\/div>\n

\u4e00\u3001teradata\u4e0egreenplum\u7684\u533a\u522b <\/h2>\n

1\u3001\u67b6\u6784\u4e0d\u540c<\/strong>\uff1aTeradata\u662f\u4e00\u79cd\u5bf9\u79f0\u591a\u5904\u7406(Symmetric Multiprocessing\uff0cSMP)\u67b6\u6784\uff0c\u800cGreenplum\u662f\u4e00\u79cd\u4ee5\u5171\u4eab\u65e0\u963b\u585e\u5f0f\u5e73\u884c\u8ba1\u7b97(shared nothing massively parallel processing\uff0cSN-MPP)\u4e3a\u57fa\u7840\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u3002<\/p>\n

2\u3001\u6570\u636e\u5b58\u50a8\u4e0d\u540c<\/strong>\uff1aTeradata\u662f\u91c7\u7528\u5757\u5b58\u50a8\u65b9\u5f0f\uff0c\u800cGreenplum\u662f\u91c7\u7528\u5143\u7ec4\uff08tuple\uff09\/\u6bb5\uff08segment\uff09\u7684\u65b9\u5f0f\u6765\u7ec4\u7ec7\u548c\u5b58\u50a8\u6570\u636e\u7684\u3002<\/p>\n

3\u3001\u7f29\u653e\u6027\u4e0d\u540c<\/strong>\uff1aGreenplum\u5177\u6709\u66f4\u597d\u7684\u6a2a\u5411\u6269\u5c55\u80fd\u529b\uff0c\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u66f4\u591a\u670d\u52a1\u5668\u8282\u70b9\u6765\u6c34\u5e73\u6269\u5c55\uff0c\u800cTeradata\u5219\u66f4\u9002\u5408\u4e8e\u5782\u76f4\u6269\u5c55\u3002<\/p>\n

4\u3001\u6570\u636e\u64cd\u4f5c\u4e0d\u540c<\/strong>\uff1aTeradata\u4f7f\u7528SQL\u6765\u6267\u884c\u5404\u79cd\u6570\u636e\u64cd\u4f5c\uff0c\u5305\u62ecSELECT\u3001INSERT\u3001UPDATE\u548cDELETE\u7b49\uff0c\u800cGreenplum\u652f\u6301SQL\u548cPostgreSQL\u6269\u5c55\u8bed\u6cd5\u3002<\/p>\n

5\u3001\u6210\u672c\u4e0d\u540c<\/strong>\uff1aGreenplum\u5728\u603b\u4f53\u6210\u672c\u65b9\u9762\u8f83\u4f4e\uff0c\u4e3b\u8981\u7531\u4e8e\u91c7\u7528\u4e86\u57fa\u4e8e\u5f00\u6e90\u7684\u8f6f\u4ef6\u548c\u786c\u4ef6\u7ec4\u4ef6\uff0c\u800cTeradata\u5219\u76f8\u5bf9\u6602\u8d35\u3002<\/p>\n

6\u3001\u517c\u5bb9\u6027\u4e0d\u540c<\/strong>\uff1a\u867d\u7136\u4e24\u8005\u90fd\u53ef\u4ee5\u4e0e\u5176\u4ed6\u6570\u636e\u6e90\u8fdb\u884c\u96c6\u6210\uff0c\u4f46Greenplum\u66f4\u5bb9\u6613\u4e0e\u5f00\u6e90\u5de5\u5177\u548c\u6280\u672f\uff08\u4f8b\u5982Hadoop\uff09\u96c6\u6210\uff0c\u800cTeradata\u5219\u5728\u8fd9\u65b9\u9762\u7f3a\u4e4f\u7075\u6d3b\u6027\u3002<\/p>\n

\u4e8c\u3001teradata\u7b80\u4ecb <\/h2>\n

Terdata\u662f\u4e00\u4e2a\u4e13\u95e8\u4e3a\u5927\u578b\u4ed3\u5e93\u5e94\u7528\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u57fa\u4e8e\u5927\u89c4\u6a21\u5e76\u884c\u5904\u7406(MassivelyParallyProcessing\uff0cMPP)\u67b6\u6784\u3002\u5b83\u4ee5AMP\u4e3a\u57fa\u672c\u5355\u5143\uff0c\u901a\u8fc7\u5e76\u884c\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u3002AMPS(AccessModuleProcessor)\u662f\u7528\u4e8e\u7ba1\u7406\u6570\u636e\u5e93\u7684\u865a\u62df\u5904\u7406\u5668\u3002\u5b83\u4eec\u4ece\u89e3\u6790\u5668\u63a5\u6536\u6267\u884c\u8ba1\u5212\uff0c\u5e76\u80fd\u591f\u63a5\u6536\u3001\u64cd\u4f5c\u548c\u5b58\u50a8\u6570\u636e\u3002\u5728TeradataSystem\u4e2d\u5171\u4eab\u9884\u5148\u5b9a\u4e49\u7684AMP\u6570\u91cf\uff0c\u4ee5\u6267\u884c\u4efb\u52a1\uff0c\u5305\u62ec\u67e5\u8be2\u3001\u6570\u636e\u5b58\u50a8\u3001\u5907\u4efd\u3001\u7d22\u5f15\u751f\u6210\u7b49\u3002<\/p>\n

teradata\u6570\u636e\u5e93\u7279\u70b9\uff1a<\/strong><\/p>\n

    \n
  • \u80fd\u591f\u652f\u6301\u6d77\u91cf\u6570\u636e\u7684\u5904\u7406\u548c\u7ba1\u7406\uff0c\u5305\u62ec\u7ed3\u6784\u5316\u6570\u636e\u3001\u534a\u7ed3\u6784\u5316\u6570\u636e\u548c\u975e\u7ed3\u6784\u5316\u6570\u636e\u3002<\/li>\n
  • \u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684\u6570\u636e\u67e5\u8be2\u548c\u5206\u6790\uff0c\u652f\u6301\u5728\u7ebf\u5206\u6790\u5904\u7406\uff08OLAP\uff09\u548c\u5728\u7ebf\u4e8b\u52a1\u5904\u7406\uff08OLTP\uff09\u3002<\/li>\n
  • \u5177\u6709\u9ad8\u53ef\u6269\u5c55\u6027\u548c\u9ad8\u53ef\u9760\u6027\uff0c\u53ef\u4ee5\u968f\u7740\u4e1a\u52a1\u7684\u6269\u5927\u800c\u65e0\u7f1d\u6269\u5c55\u3002<\/li>\n
  • \u652f\u6301\u591a\u79cd\u6570\u636e\u5b58\u50a8\u683c\u5f0f\uff0c\u5305\u62ec\u884c\u5b58\u50a8\u3001\u5217\u5b58\u50a8\u548c\u8d85\u7ea7\u5217\u5b58\u50a8\u3002<\/li>\n
  • \u652f\u6301\u591a\u79cd\u6570\u636e\u5b89\u5168\u548c\u9694\u79bb\u63a7\u5236\u7b56\u7565\uff0c\u53ef\u4ee5\u4fdd\u969c\u4f01\u4e1a\u6570\u636e\u7684\u5b89\u5168\u6027\u548c\u9690\u79c1\u6027\u3002<\/li>\n<\/ul>\n

    \u4e09\u3001greenplum\u7b80\u4ecb<\/h2>\n

    greenplum\u662f\u4e1a\u754c\u975e\u5e38\u5feb\u8f83\u9ad8\u6027\u4ef7\u6bd4\u7684\u5173\u7cfb\u578b\u5206\u5e03\u5f0f\u6570\u636e\u5e93\uff0c\u5b83\u5728\u5f00\u6e90\u7684PostgreSQL\u7684\u57fa\u7840\u4e0a\u91c7\u7528MPP\u67b6\u6784\uff08Massive Parallel Processing\uff0c\u6d77\u91cf\u5e76\u884c\u5904\u7406\uff09\uff0c\u5177\u6709\u5f3a\u5927\u7684\u5927\u89c4\u6a21\u6570\u636e\u5206\u6790\u4efb\u52a1\u5904\u7406\u80fd\u529b\u3002GreenPlum\u4f5c\u4e3a\u5927\u6570\u636e\u878d\u5408\u5b58\u50a8\u5e73\u53f0\u4e2d\u4f17\u591a\u6570\u636e\u5e93\u4e4b\u4e00\uff0c\u4e0e\u5176\u4ed6\u6570\u636e\u5e93\u7cfb\u7edf\u548c\u6587\u4ef6\u7cfb\u7edf\u4e00\u8d77\uff0c\u4e3aOceanMind\u63d0\u4f9b\u5b8c\u6574\u7684OceanStorage\u5927\u6570\u636e\u878d\u5408\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

    greenplum\u6570\u636e\u5e93\u7279\u70b9\uff1a<\/strong><\/p>\n

    1\u3001\u9ad8\u6269\u5c55\u6027<\/h3>\n

    Greenplum\u6570\u636e\u5e93\u91c7\u7528\u5927\u89c4\u6a21\u65e0\u5171\u4eab\u67b6\u6784\uff0c\u5c06\u591a\u53f0\u670d\u52a1\u5668\u7ec4\u88c5\u6210\u5f3a\u5927\u7684\u8ba1\u7b97\u5e73\u53f0\uff0c\u5b9e\u73b0\u9ad8\u6548\u7684\u6d77\u91cf\u5e76\u884c\u8fd0\u7b97\u3002Greenplum\u6570\u636e\u5e93\u53ef\u4ee5\u652f\u63011000\u4e2a\u4ee5\u4e0a\u7684\u96c6\u7fa4\uff0c\u7ba1\u7406\u7684\u6570\u636e\u89c4\u6a21\u4eceTB\u7ea7\u5230PB\u7ea7\uff0c\u53ef\u4ee5\u6ee1\u8db3\u591a\u6570\u4f01\u4e1a\u7684\u6570\u636e\u5904\u7406\u9700\u6c42\u3002<\/p>\n

    2\u3001\u9ad8\u67e5\u8be2\u6027\u80fd<\/h3>\n

    Greenplum\u7684\u9ad8\u6027\u80fd\u4e0d\u4ec5\u6765\u81ea\u9ad8\u6548\u7684\u5e76\u884c\u5904\u7406\u6846\u67b6\uff0c\u8fd8\u6709\u67e5\u8be2\u5f15\u64ce\u7684\u4f18\u5316\u3002Greenplum\u6570\u636e\u5e93\u9664\u4e86\u652f\u6301\u57fa\u4e8ePostgreSQL\u7684\u67e5\u8be2\u4f18\u5316\u4e4b\u5916\uff0c\u8fd8\u4e13\u95e8\u5f00\u53d1\u4e86\u4e00\u4e2a\u65b0\u7684\u67e5\u8be2\u4f18\u5316\u5668ORCA\u3002<\/p>\n

    ORCA\u662f\u4e00\u6b3e\u81ea\u9876\u5411\u4e0b\u7684\u57fa\u4e8eCascades\u6846\u67b6\u7684\u67e5\u8be2\u4f18\u5316\u5668\uff0c\u76ee\u524d\u5df2\u7ecf\u6210\u4e3a\u4f01\u4e1a\u7248Greenplum\u6570\u636e\u5e93\u7684\u9ed8\u8ba4\u4f18\u5316\u5668\u3002\u76f8\u6bd4\u57fa\u4e8ePostgreSQL\u7684\u67e5\u8be2\u4f18\u5316\u5668\uff0cORCA\u67e5\u8be2\u4f18\u5316\u5668\u80fd\u4f7f\u90e8\u5206\u67e5\u8be2\u7684\u6027\u80fd\u63d0\u534710\uff5e1000\u500d\u3002<\/p>\n

    3\u3001\u9ad8\u53ef\u7528<\/h3>\n

    Greenplum\u63d0\u4f9b\u591a\u7ea7\u5bb9\u9519\u673a\u5236\uff0c\u786e\u4fdd\u6574\u4e2a\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528\u6027\u3002Master\u8282\u70b9\u901a\u8fc7Standby Master\u8282\u70b9\u8fdb\u884c\u5907\u4efd\uff0c\u6bcf\u4e2a\u6570\u636e\u8282\u70b9\u7684Primary Segment\u5b9e\u4f8b\u5206\u522b\u914d\u7f6e\u4e00\u4e2aMirror Segment\u5b9e\u4f8b\u4f5c\u4e3a\u5907\u4efd\uff0c\u540c\u65f6\u786e\u4fdd\u540c\u4e00\u7ec4Primary Segment\u5b9e\u4f8b\u548cMirror Segment\u5b9e\u4f8b\u4e0d\u5728\u540c\u4e00\u7269\u7406\u673a\u4e0a\uff0c\u4ece\u800c\u964d\u4f4e\u56e0\u4e3a\u5b95\u673a\u800c\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u7684\u98ce\u9669\u3002<\/p>\n

    4\u3001\u9ad8\u6548\u8d44\u6e90\u7ba1\u7406<\/h3>\n

    Greenplum\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u8d44\u6e90\u7ba1\u7406\u673a\u5236\uff0c\u6839\u636e\u7528\u6237\u7684\u4e1a\u52a1\u903b\u8f91\u5c06\u8d44\u6e90\u5408\u7406\u5730\u5206\u914d\u7ed9\u67e5\u8be2\u4efb\u52a1\uff0c\u907f\u514d\u67e5\u8be2\u4efb\u52a1\u56e0\u67e5\u8be2\u8d44\u6e90\u4e0d\u8db3\u800c\u5f97\u4e0d\u5230\u54cd\u5e94\u3002<\/p>\n

    Greenplum\u8d44\u6e90\u7ba1\u7406\u4e3b\u8981\u5305\u62ec\u5bf9\u5e76\u53d1\u67e5\u8be2\u6570\u91cf\u7684\u9650\u5236\uff0c\u67e5\u8be2\u6267\u884c\u65f6\u5185\u5b58\u3001CPU\u8d44\u6e90\u4f7f\u7528\u7684\u9650\u5236\u7b49\u3002Greenplum\u6570\u636e\u5e93\u63d0\u4f9b\u4e86\u8d44\u6e90\u961f\u5217\uff08Resource Queue\uff09\u548c\u8d44\u6e90\u7ec4\uff08Resource Group\uff09\u4e24\u79cd\u8d44\u6e90\u7ba1\u7406\u65b9\u5f0f\uff0c\u4e00\u822c\u4f7f\u7528\u573a\u666f\u4e0b\u91c7\u7528\u9ed8\u8ba4\u914d\u7f6e\u5373\u53ef\u3002<\/p>\n

    5\u3001\u591a\u6001\u5b58\u50a8<\/h3>\n

    \u7528\u6237\u53ef\u4ee5\u6839\u636e\u6570\u636e\u70ed\u5ea6\u6216\u8005\u8bbf\u95ee\u6a21\u5f0f\u7684\u4e0d\u540c\u4f7f\u7528\u4e0d\u540c\u7684\u5b58\u50a8\u65b9\u5f0f\uff0c\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u67e5\u8be2\u6027\u80fd\u3002\u7528\u6237\u53ef\u4ee5\u4e3a\u4e00\u5f20\u8868\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\uff08\u6bd4\u5982\u65e5\u671f\u3001\u6708\u4efd\uff09\u521b\u5efa\u5206\u533a\u8868\uff0c\u4e00\u5f20\u8868\u7684\u5404\u4e2a\u5b50\u5206\u533a\u8868\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u7269\u7406\u5b58\u50a8\u65b9\u5f0f\u3002<\/p>\n

    6\u3001\u751f\u6001\u5b8c\u6574<\/h3>\n

    Greenplum\u6570\u636e\u5e93\u62e5\u6709\u5b8c\u5584\u7684SQL\u6807\u51c6\u652f\u6301\uff0c\u5305\u62ecSQL92\u3001SQL99\u3001SQL2003\u4ee5\u53caOLAP\u6269\u5c55\uff0c\u662f\u5bf9SQL\u6807\u51c6\u652f\u6301\u8f83\u597d\u7684\u5f00\u6e90\u5546\u7528\u6570\u636e\u5e93\u7cfb\u7edf\u4e4b\u4e00\u3002\u540c\u65f6\uff0c\u7531\u4e8eGreenplum\u6570\u636e\u5e93\u57fa\u4e8ePostgreSQL\uff0c\u56e0\u6b64\u4e5f\u7ee7\u627f\u4e86PostgreSQL\u5bf9\u4e8eJDBC\u3001ODBC\u3001C\u3001Python API\u7b49\u63a5\u53e3\u7684\u652f\u6301\u3002<\/p>\n

    7\u3001\u9ad8\u6548\u6570\u636e\u52a0\u8f7d<\/h3>\n

    Greenplum\u8fd8\u6709\u4e00\u4e2a\u975e\u5e38\u795e\u5947\u7684\u529f\u80fd\u2014\u2014GPload\u5e76\u884c\u52a0\u8f7d\u6570\u636e\uff0c\u5373\u5141\u8bb8\u6570\u636e\u4ece\u591a\u4e2a\u6587\u4ef6\u7cfb\u7edf\u901a\u8fc7\u591a\u4e2a\u4e3b\u673a\u4e0a\u7684\u591a\u4e2a\u7f51\u5361\u52a0\u8f7d\u6570\u636e\uff0c\u4ece\u800c\u8fbe\u5230\u975e\u5e38\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u7387\u3002\u7b14\u8005\u66fe\u7ecf\u57283\u4e2a\u8282\u70b9\u7684\u96c6\u7fa4\u4e0a\u5e76\u884c\u52a0\u8f7d50GB\u30012\u4ebf\u884c\u8bb0\u5f55\u7684\u6570\u636e\uff0c\u4ec5\u7528\u65f690s\u3002<\/p>\n

    \u6b64\u5916\uff0cGreenplum\u6570\u636e\u5e93\u53ef\u4ee5\u8bfb\u53d6\u548c\u5199\u5165\u591a\u79cd\u7c7b\u578b\u7684\u5916\u90e8\u6570\u636e\u6e90\uff0c\u5305\u62ec\u6587\u672c\u6587\u4ef6\u3001XML\u6587\u4ef6\u3001S3\u5e73\u53f0\u6587\u4ef6\u3001Gemfire\u3001Web\u670d\u52a1\u5668\u4ee5\u53caHadoop\u751f\u6001\u7cfb\u7edf\u4e2d\u7684HDFS\u3001Hive\u3001HBase\u3001Kafka\u3001Spark\u7b49\uff0c\u540c\u65f6\u652f\u6301\u6570\u636e\u538b\u7f29\u4ee5\u53ca\u5b57\u7b26\u96c6\u95f4\u7684\u81ea\u52a8\u8f6c\u6362\u3002<\/p>\n

    8\u3001\u9ad8\u7ea7\u6570\u636e\u5206\u6790\u529f\u80fd<\/h3>\n

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    \u5ef6\u4f38\u9605\u8bfb1\uff1aTeradata\u7684\u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/em><\/strong><\/p>\n

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      \n
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