{"id":1280,"date":"2024-11-25T13:55:09","date_gmt":"2024-11-25T05:55:09","guid":{"rendered":"https:\/\/aws-oncloudai.com\/?p=1280"},"modified":"2025-05-07T17:52:23","modified_gmt":"2025-05-07T09:52:23","slug":"understanding-aws-redshift-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/aws-oncloudai.com\/zh_hk\/understanding-aws-redshift-a-comprehensive-guide\/","title":{"rendered":"\u4e86\u89e3AWS Redshift\uff1a\u7d9c\u5408\u6307\u5357"},"content":{"rendered":"<p class=\"\" data-start=\"92\" data-end=\"278\">\u5728\u7576\u4eca\u5feb\u901f\u767c\u5c55\u7684<strong data-start=\"100\" data-end=\"109\">\u5927\u6578\u64da\u5206\u6790<\/strong>\u9818\u57df\uff0c\u4f01\u696d\u9700\u8981\u5f37\u5927\u800c\u9748\u6d3b\u7684\u5de5\u5177\u4f86<strong data-start=\"125\" data-end=\"141\">\u5132\u5b58\u3001\u7ba1\u7406\u8207\u5206\u6790\u5927\u91cf\u6578\u64da<\/strong>\u3002<strong data-start=\"142\" data-end=\"161\">Amazon Redshift<\/strong> \u6b63\u662f\u9019\u6a23\u4e00\u6b3e\u6027\u80fd\u5353\u8d8a\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5b83\u662f\u4e00\u7a2e<strong data-start=\"182\" data-end=\"205\">\u5b8c\u5168\u8a17\u7ba1\u7684\u3001PB\u7d1a\u7684\u96f2\u7aef\u8cc7\u6599\u5009\u5132\u670d\u52d9<\/strong>\uff0c\u900f\u904e\u5176<strong data-start=\"209\" data-end=\"256\">\u5927\u898f\u6a21\u4e26\u884c\u8655\u7406\uff08Massively Parallel Processing, MPP\uff09<\/strong> \u67b6\u69cb\uff0c\u70ba\u4f7f\u7528\u8005\u5e36\u4f86\u5353\u8d8a\u7684\u67e5\u8a62\u6548\u80fd\u548c\u53ef\u64f4\u5145\u6027\u3002<\/p>\n<p class=\"\" data-start=\"280\" data-end=\"391\"><strong data-start=\"280\" data-end=\"294\">Oncloud AI<\/strong> \u8eab\u70baAmazon Web Services\uff08AWS\uff09\u7684\u5b98\u65b9\u4ee3\u7406\u5546\uff0c\u672c\u6587\u5c07\u5e36\u60a8\u6df1\u5165\u4e86\u89e3AWS Redshift \u7684\u6838\u5fc3\u6982\u5ff5\u3001\u67b6\u69cb\u512a\u52e2\u3001\u95dc\u9375\u529f\u80fd\u4ee5\u53ca\u5982\u4f55\u501f\u52a9\u5b83\u8655\u7406\u5404\u985e\u5927\u578b\u8cc7\u6599\u96c6\u4e26\u52a0\u901f\u5546\u696d\u6c7a\u7b56\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4 id=\"heading-what-is-aws-redshift\" class=\"permalink-heading\"><strong>\u4ec0\u9ebc\u662fAWS Redshift\uff1f<\/strong><\/h4>\n<p class=\"\" data-start=\"423\" data-end=\"539\"><strong data-start=\"423\" data-end=\"442\">Amazon Redshift<\/strong> \u662fAmazon Web Services \u63d0\u4f9b\u7684<strong data-start=\"469\" data-end=\"481\">\u96f2\u7aef\u8cc7\u6599\u5009\u5132\u5e73\u53f0<\/strong>\uff0c\u5b83\u5141\u8a31\u7528\u6236\u5f9e\u4e0d\u540c<strong data-start=\"490\" data-end=\"498\">\u6578\u64da\u4f86\u6e90<\/strong>\u6574\u5408\u8a0a\u606f\uff0c\u9032\u884c<strong data-start=\"505\" data-end=\"516\">\u8907\u96dcSQL\u67e5\u8a62<\/strong>\uff0c\u652f\u63f4\u8cc7\u6599\u5009\u5132\u3001\u5831\u8868\u5206\u6790\u3001\u5546\u696d\u667a\u6167\u7b49\u61c9\u7528\u5834\u666f\u3002<\/p>\n<p class=\"\" data-start=\"541\" data-end=\"672\">Redshift \u6700\u986f\u8457\u7684\u512a\u52e2\u4e4b\u4e00\u662f\u5176\u63a1\u7528\u7684 <strong data-start=\"564\" data-end=\"581\">\u5927\u898f\u6a21\u4e26\u884c\u8655\u7406(MPP)<\/strong> \u67b6\u69cb\u3002\u9019\u7a2e\u67b6\u69cb\u5c07\u8cc7\u6599\u8207\u67e5\u8a62\u4efb\u52d9\u5206\u914d\u5230<strong data-start=\"600\" data-end=\"625\">\u591a\u500b\u904b\u7b97\u7bc0\u9ede\uff08Compute Nodes\uff09<\/strong>\uff0c\u6bcf\u500b\u7bc0\u9ede\u540c\u6642\u8655\u7406\u90e8\u5206\u4efb\u52d9\uff0c\u5f9e\u800c\u986f\u8457\u63d0\u9ad8<strong data-start=\"645\" data-end=\"653\">\u67e5\u8a62\u6548\u7387<\/strong>\uff0c\u9069\u5408\u61c9\u5c0d<strong data-start=\"658\" data-end=\"669\">PB\u7d1a\u8cc7\u6599\u8655\u7406<\/strong>\u9700\u6c42\u3002<\/p>\n<p class=\"\" data-start=\"674\" data-end=\"815\">\u76f8\u8f03\u65bc\u50b3\u7d71\u672c\u5730\u90e8\u7f72\u7684\u8cc7\u6599\u5eab\uff0cRedshift \u5177\u5099\u9ad8\u5ea6\u7684<strong data-start=\"701\" data-end=\"711\">\u5f48\u6027\u64f4\u5c55\u80fd\u529b<\/strong>\uff0c\u80fd\u9748\u6d3b\u97ff\u61c9\u696d\u52d9\u898f\u6a21\u6210\u9577\u3002\u6b64\u5916\uff0c\u5b83\u9084\u53ef\u8207AWS \u751f\u614b\u7cfb\u7d71\u4e2d\u7684\u591a\u7a2e\u670d\u52d9\u96c6\u6210\uff0c\u5982Amazon S3\u3001Amazon RDS\u3001AWS Glue\u3001Data Pipeline \u7b49\uff0c\u5be6\u73fe\u8cc7\u6599\u6e56\u8207\u8cc7\u6599\u5009\u5132\u4e4b\u9593\u7684\u9023\u52d5\u6574\u5408\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4><strong>AWS Redshift \u7684\u95dc\u9375\u529f\u80fd<\/strong><\/h4>\n<p><strong>1.\u53ef\u64f4\u5c55\u6027<\/strong><br \/>\nRedshift \u8b93\u60a8\u5f9e\u5c0f\u898f\u6a21\u958b\u59cb\uff0c\u4e26\u96a8\u8457\u8cc7\u6599\u7684\u6210\u9577\u800c\u64f4\u5c55\u3002\u900f\u904eRedshift Spectrum\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u5728Amazon S3 \u4e2d\u67e5\u8a62EB \u5c64\u7d1a\u6578\u64da\uff0c\u800c\u7121\u9700\u5c07\u5176\u79fb\u81f3Redshift \u8cc7\u6599\u5009\u5132\u3002<\/p>\n<p><strong>2.\u7d93\u6fdf\u9ad8\u6548<\/strong><br \/>\nAWS Redshift \u65e8\u5728\u4ee5\u4f4e\u6210\u672c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3002\u60a8\u53ea\u9700\u70ba\u4f7f\u7528\u7684\u8cc7\u6e90\u4ed8\u8cbb\uff0c\u800c<strong>\u9810\u7559\u5be6\u4f8b<\/strong>\u7b49\u529f\u80fd\u6709\u52a9\u65bc\u9032\u4e00\u6b65\u964d\u4f4e\u53ef\u9810\u6e2c\u5de5\u4f5c\u8ca0\u8f09\u7684\u6210\u672c\u3002<\/p>\n<p><strong>3.\u5927\u898f\u6a21\u4e26\u884c\u8655\u7406(MPP)<\/strong><br \/>\nRedshift \u5c07\u8cc7\u6599\u548c\u67e5\u8a62\u8ca0\u8f09\u5206\u6563\u5230\u591a\u500b\u7bc0\u9ede\u3002\u9019\u7a2e\u4e26\u884c\u6027\u53ef\u78ba\u4fdd\u5373\u4f7f\u662f\u8907\u96dc\u7684\u67e5\u8a62\u4e5f\u80fd\u5feb\u901f\u50b3\u56de\u7d50\u679c\uff0c\u4f7f\u5176\u6210\u70ba\u8cc7\u6599\u5bc6\u96c6\u578b\u64cd\u4f5c\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<p><strong>4.\u5217\u5f0f\u8cc7\u6599\u5b58\u5132<\/strong><br \/>\nRedshift \u4ee5\u5217\u5f0f\u683c\u5f0f\u5132\u5b58\u6578\u64da\uff0c\u9019\u6e1b\u5c11\u4e86\u67e5\u8a62\u57f7\u884c\u6240\u9700\u7684I\/O \u91cf\uff0c\u4e26\u4f7f\u5176\u5728\u5206\u6790\u67e5\u8a62\u4e2d\u975e\u5e38\u6709\u6548\u7387\u3002\u9019\u7a2e\u5217\u5f0f\u5132\u5b58\u683c\u5f0f\u512a\u5316\u4e86\u5132\u5b58\u548c\u67e5\u8a62\u6548\u80fd\u3002<\/p>\n<p><strong>5.\u8cc7\u6599\u5b89\u5168<\/strong><br \/>\nRedshift \u63d0\u4f9b\u591a\u5c64\u5b89\u5168\u6027\uff0c\u5305\u62ec\u975c\u614b\u548c\u50b3\u8f38\u4e2d\u8cc7\u6599\u7684\u52a0\u5bc6\u3001\u7b26\u5408\u696d\u754c\u6a19\u6e96\u4ee5\u53ca\u8207AWS Identity and Access Management (IAM) \u6574\u5408\u4ee5\u5be6\u73fe\u5b58\u53d6\u63a7\u5236\u3002<\/p>\n<p><strong>6.Redshift Spectrum<\/strong><br \/>\nRedshift Spectrum \u8b93\u60a8\u53ef\u4ee5\u76f4\u63a5\u5f9eAmazon S3 \u67e5\u8a62\u6578\u64da\uff0c\u5f9e\u800c\u5be6\u73fe\u8cc7\u6599\u6e56\u67b6\u69cb\uff0c\u800c\u7121\u9700\u5c07\u8cc7\u6599\u79fb\u81f3Redshift \u53e2\u96c6\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u975e\u5e38\u9069\u5408\u5927\u6578\u64da\u5206\u6790\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4 id=\"heading-architecture-of-aws-redshift\" class=\"permalink-heading\"><strong>AWS Redshift \u67b6\u69cb\u89e3\u6790<\/strong><\/h4>\n<p class=\"\" data-start=\"1577\" data-end=\"1620\">Amazon Redshift \u7684\u5e95\u5c64\u67b6\u69cb\u570d\u7e5e\u8457MPP \u69cb\u5efa\uff0c\u7531\u591a\u500b\u6838\u5fc3\u5143\u4ef6\u5354\u540c\u5de5\u4f5c\uff1a<\/p>\n<h5 data-start=\"1622\" data-end=\"1643\">\u9818\u5c0e\u7bc0\u9ede\uff08Leader Node\uff09<\/h5>\n<p class=\"\" data-start=\"1644\" data-end=\"1700\">\u63a5\u6536\u5ba2\u6236\u7aef\u7684SQL \u67e5\u8a62\uff0c<strong data-start=\"1658\" data-end=\"1668\">\u7de8\u8b6f\u57f7\u884c\u8a08\u5283<\/strong>\uff0c\u4e26\u5c07\u5b50\u4efb\u52d9\u5206\u914d\u7d66\u5404\u500b\u8a08\u7b97\u7bc0\u9ede\u3002\u6700\u5f8c\u805a\u5408\u67e5\u8a62\u7d50\u679c\u4e26\u50b3\u56de\u7d66\u5ba2\u6236\u7aef\u3002<\/p>\n<h5 data-start=\"1702\" data-end=\"1725\">\u8a08\u7b97\u7bc0\u9ede\uff08Compute Nodes\uff09<\/h5>\n<p class=\"\" data-start=\"1726\" data-end=\"1783\">\u6bcf\u500b\u8a08\u7b97\u7bc0\u9ede\u8655\u7406\u8cc7\u6599\u7684\u4e00\u500b\u5b50\u96c6\uff0c<strong data-start=\"1742\" data-end=\"1754\">\u4e26\u884c\u57f7\u884c\u67e5\u8a62\u4efb\u52d9<\/strong>\u3002\u7bc0\u9ede\u4e4b\u9593\u900f\u904e\u9ad8\u901f\u7db2\u8def\u9032\u884c\u8cc7\u6599\u4ea4\u63db\uff0c\u69cb\u6210\u4e86\u5f37\u5927\u7684\u8655\u7406\u53e2\u96c6\u3002<\/p>\n<h5 data-start=\"1785\" data-end=\"1806\">\u7bc0\u9ede\u5207\u7247\uff08Node Slices\uff09<\/h5>\n<p class=\"\" data-start=\"1807\" data-end=\"1875\">\u6bcf\u500b\u904b\u7b97\u7bc0\u9ede\u5283\u5206\u70ba\u591a\u500b\u5207\u7247\uff08slices\uff09\uff0c\u6bcf\u500b\u5207\u7247\u64c1\u6709\u7368\u7acb\u7684CPU\u3001\u8a18\u61b6\u9ad4\u548c\u5132\u5b58\u8cc7\u6e90\uff0c\u53ef<strong data-start=\"1852\" data-end=\"1866\">\u540c\u6642\u8655\u7406\u4e0d\u540c\u8cc7\u6599\u5206\u7247<\/strong>\uff0c\u9032\u4e00\u6b65\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h5 data-start=\"1877\" data-end=\"1887\">\u5217\u5f0f\u8cc7\u6599\u5b58\u5132<\/h5>\n<p class=\"\" data-start=\"1888\" data-end=\"1964\">\u8cc7\u6599\u5728Redshift \u4e2d\u662f\u4ee5\u5217\u7684\u65b9\u5f0f\u5132\u5b58\u7684\uff0c\u512a\u5316\u4e86\u58d3\u7e2e\u8207I\/O \u8655\u7406\u3002 Redshift \u81ea\u52d5\u70ba\u4e0d\u540c\u8cc7\u6599\u985e\u578b\u61c9\u7528<strong data-start=\"1946\" data-end=\"1956\">\u9ad8\u6548\u80fd\u58d3\u7e2e\u6f14\u7b97\u6cd5<\/strong>\uff0c\u63d0\u9ad8\u5132\u5b58\u6548\u7387\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4><strong>AWS Redshift \u7684\u5de5\u4f5c\u6a5f\u5236<\/strong><\/h4>\n<p class=\"\" data-start=\"1990\" data-end=\"2030\">Redshift \u662f\u57fa\u65bc\u6a19\u6e96SQL \u5efa\u69cb\u7684\u73fe\u4ee3\u8cc7\u6599\u5009\u5132\u5de5\u5177\uff0c\u67e5\u8a62\u57f7\u884c\u904e\u7a0b\u5305\u62ec\uff1a<\/p>\n<ol data-start=\"2032\" data-end=\"2147\">\n<li class=\"\" data-start=\"2032\" data-end=\"2052\">\n<p class=\"\" data-start=\"2035\" data-end=\"2052\"><strong data-start=\"2035\" data-end=\"2046\">\u5ba2\u6236\u7aef\u63d0\u4ea4\u67e5\u8a62<\/strong>\u7d66\u9818\u5c0e\u7bc0\u9ede\uff1b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2053\" data-end=\"2082\">\n<p class=\"\" data-start=\"2056\" data-end=\"2082\">\u9818\u5c0e\u7bc0\u9ede\u5c07SQL \u67e5\u8a62<strong data-start=\"2068\" data-end=\"2081\">\u8f49\u63db\u70ba\u5e73\u884c\u57f7\u884c\u8a08\u5283<\/strong>\uff1b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2083\" data-end=\"2104\">\n<p class=\"\" data-start=\"2086\" data-end=\"2104\">\u5b50\u4efb\u52d9\u88ab\u50b3\u9001\u5230\u5404\u8a08\u7b97\u7bc0\u9ede\u7684\u4e0d\u540c\u5207\u7247\uff1b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2105\" data-end=\"2132\">\n<p class=\"\" data-start=\"2108\" data-end=\"2132\"><strong data-start=\"2108\" data-end=\"2131\">\u6bcf\u500b\u7bc0\u9ede\u57f7\u884c\u8cc7\u6599\u6383\u63cf\u3001\u904e\u6ffe\u3001\u8a08\u7b97\u7b49\u64cd\u4f5c<\/strong>\uff1b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2133\" data-end=\"2147\">\n<p class=\"\" data-start=\"2136\" data-end=\"2147\">\u7d50\u679c\u532f\u7e3d\u5f8c\u8fd4\u56de\u5ba2\u6236\u7aef\u3002<\/p>\n<\/li>\n<\/ol>\n<p class=\"\" data-start=\"2149\" data-end=\"2204\">\u7531\u65bc\u5176MPP \u67b6\u69cb\uff0cRedshift \u80fd\u5920\u5728\u5e7e\u5206\u9418\u5167\u5b8c\u6210\u5c0dTB \u751a\u81f3PB \u7d1a\u8cc7\u6599\u7684\u8655\u7406\u548c\u50b3\u56de\u67e5\u8a62\u7d50\u679c\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4>\u5178\u578b\u4f7f\u7528\u5834\u666f<\/h4>\n<ul>\n<li><strong>\u5546\u696d\u667a\u6167\u5206\u6790<\/strong><br \/>\n\u8207Tableau\u3001Power BI\u3001Looker \u7b49BI \u5de5\u5177\u7121\u7e2b\u96c6\u6210\uff0c\u5feb\u901f\u7522\u751f\u8996\u89ba\u5316\u5831\u8868\u8207\u5100\u8868\u677f\u3002<\/li>\n<li><strong>\u7d71\u4e00\u8cc7\u6599\u5009\u5132\u5e73\u53f0<\/strong><br \/>\n\u532f\u7e3d\u4f86\u81eaAmazon RDS\u3001\u7b2c\u4e09\u65b9\u61c9\u7528\u3001S3 \u6578\u64da\u6e56\u7684\u6578\u64da\uff0c\u4f5c\u70ba<strong>\u5206\u6790\u7684\u4e2d\u592e\u5e73\u53f0<\/strong>\u3002<\/li>\n<li><strong>\u5927\u6578\u64da\u8655\u7406\u8207\u5efa\u6a21<\/strong><br \/>\n\u9069\u5408\u904b\u884c\u8907\u96dc\u7684\u5206\u6790\u908f\u8f2f\u6216\u8a13\u7df4\u6a21\u578b\uff0c\u5982\u884c\u92b7\u884c\u70ba\u5206\u6790\u3001\u4f7f\u7528\u8005\u756b\u50cf\u7b49\u3002<\/li>\n<li><strong>ETL \u548c\u8cc7\u6599\u9810\u8655\u7406<\/strong><br \/>\n\u53ef\u7d50\u5408AWS Glue\u3001Glue DataBrew \u7b49\u670d\u52d9\uff0c\u5efa\u69cb<strong>\u81ea\u52d5\u5316\u8cc7\u6599\u8655\u7406\u6d41\u7a0b<\/strong>\uff08ETL Pipeline\uff09\uff0c\u63d0\u5347\u8cc7\u6599\u6574\u5408\u8207\u6e05\u6d17\u6548\u7387\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4>Redshift \u4f7f\u7528\u6700\u4f73\u5be6\u8e10<\/h4>\n<ul>\n<li><strong>\u6700\u4f73\u5316\u5206\u4f48\u9375\u8207\u6392\u5e8f\u9375\u8a2d\u8a08<\/strong>\uff0c\u63d0\u5347\u67e5\u8a62\u6548\u7387\u4e26\u6e1b\u5c11\u7bc0\u9ede\u9593\u8cc7\u6599\u50b3\u8f38\u3002<\/li>\n<li><strong>\u555f\u7528\u81ea\u52d5\u58d3\u7e2e\u8207VACUUM 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