{"id":61513,"date":"2024-10-13T11:40:13","date_gmt":"2024-10-13T03:40:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61513\/"},"modified":"2024-10-13T11:40:13","modified_gmt":"2024-10-13T03:40:13","slug":"greenplum%e9%ab%98%e6%80%a7%e8%83%bd%e6%95%b8%e6%93%9a%e5%bc%95%e6%93%8e%e6%8e%a2%e7%a7%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61513\/","title":{"rendered":"Greenplum\u9ad8\u6027\u80fd\u6578\u64da\u5f15\u64ce\u63a2\u79d8"},"content":{"rendered":"<h1 id=\"greenplum%e9%ab%98%e6%80%a7%e8%83%bd%e6%95%b8%e6%93%9a%e5%bc%95%e6%93%8e%e6%8e%a2%e7%a7%98-GhyuggELyT\">Greenplum\u9ad8\u6027\u80fd\u6578\u64da\u5f15\u64ce\u63a2\u79d8<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u4f01\u696d\u5c0d\u65bc\u6578\u64da\u8655\u7406\u548c\u5206\u6790\u7684\u9700\u6c42\u65e5\u76ca\u589e\u52a0\u3002Greenplum\u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u6578\u64da\u5eab\u5f15\u64ce\uff0c\u56e0\u5176\u512a\u8d8a\u7684\u6027\u80fd\u548c\u64f4\u5c55\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eGreenplum\u7684\u67b6\u69cb\u3001\u7279\u6027\u53ca\u5176\u5728\u5927\u6578\u64da\u74b0\u5883\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"greenplum%e7%9a%84%e6%9e%b6%e6%a7%8b-GhyuggELyT\">Greenplum\u7684\u67b6\u69cb<\/h2>\n<p>Greenplum\u662f\u4e00\u500b\u57fa\u65bcPostgreSQL\u7684\u958b\u6e90\u6578\u64da\u5eab\uff0c\u5c08\u70ba\u5927\u6578\u64da\u5206\u6790\u800c\u8a2d\u8a08\u3002\u5176\u67b6\u69cb\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u7bc0\u9ede\uff08Master Node\uff09<\/strong>\uff1a\u8ca0\u8cac\u7ba1\u7406\u6574\u500b\u96c6\u7fa4\u7684\u5143\u6578\u64da\uff0c\u5354\u8abf\u67e5\u8a62\u7684\u57f7\u884c\u3002<\/li>\n<li><strong>\u6578\u64da\u7bc0\u9ede\uff08Segment Nodes\uff09<\/strong>\uff1a\u8ca0\u8cac\u5b58\u5132\u6578\u64da\u548c\u57f7\u884c\u67e5\u8a62\u3002\u6bcf\u500b\u6578\u64da\u7bc0\u9ede\u90fd\u662f\u4e00\u500b\u7368\u7acb\u7684PostgreSQL\u5be6\u4f8b\u3002<\/li>\n<li><strong>\u5ba2\u6236\u7aef\uff08Client\uff09<\/strong>\uff1a\u7528\u6236\u901a\u904e\u5ba2\u6236\u7aef\u767c\u9001\u67e5\u8a62\u8acb\u6c42\uff0c\u4e26\u63a5\u6536\u7d50\u679c\u3002<\/li>\n<\/ul>\n<p>\u9019\u7a2e\u5206\u4f48\u5f0f\u67b6\u69cb\u4f7f\u5f97Greenplum\u80fd\u5920\u5728\u591a\u500b\u6578\u64da\u7bc0\u9ede\u4e0a\u4e26\u884c\u8655\u7406\u67e5\u8a62\uff0c\u5f9e\u800c\u986f\u8457\u63d0\u9ad8\u4e86\u6578\u64da\u8655\u7406\u7684\u901f\u5ea6\u548c\u6548\u7387\u3002<\/p>\n<h2 id=\"greenplum%e7%9a%84%e7%89%b9%e6%80%a7-GhyuggELyT\">Greenplum\u7684\u7279\u6027<\/h2>\n<p>Greenplum\u64c1\u6709\u591a\u9805\u7279\u6027\uff0c\u4f7f\u5176\u5728\u5927\u6578\u64da\u5206\u6790\u4e2d\u8868\u73fe\u51fa\u8272\uff1a<\/p>\n<ul>\n<li><strong>\u4e26\u884c\u8655\u7406\uff08MPP\uff09<\/strong>\uff1aGreenplum\u63a1\u7528\u5927\u898f\u6a21\u4e26\u884c\u8655\u7406\u67b6\u69cb\uff0c\u80fd\u5920\u540c\u6642\u5728\u591a\u500b\u6578\u64da\u7bc0\u9ede\u4e0a\u57f7\u884c\u67e5\u8a62\uff0c\u5f9e\u800c\u52a0\u5feb\u6578\u64da\u8655\u7406\u901f\u5ea6\u3002<\/li>\n<li><strong>\u9ad8\u53ef\u64f4\u5c55\u6027<\/strong>\uff1a\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u96a8\u6642\u6dfb\u52a0\u65b0\u7684\u6578\u64da\u7bc0\u9ede\uff0c\u5be6\u73fe\u6c34\u5e73\u64f4\u5c55\uff0c\u6eff\u8db3\u4e0d\u65b7\u589e\u9577\u7684\u6578\u64da\u8655\u7406\u9700\u6c42\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b<\/strong>\uff1aGreenplum\u652f\u6301\u7d50\u69cb\u5316\u548c\u975e\u7d50\u69cb\u5316\u6578\u64da\uff0c\u80fd\u5920\u8655\u7406\u5404\u7a2e\u6578\u64da\u4f86\u6e90\u3002<\/li>\n<li><strong>\u5f37\u5927\u7684\u5206\u6790\u529f\u80fd<\/strong>\uff1a\u5167\u5efa\u591a\u7a2e\u5206\u6790\u51fd\u6578\u548c\u64f4\u5c55\uff0c\u652f\u6301\u8907\u96dc\u7684\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u751f\u6210\u3002<\/li>\n<\/ul>\n<h2 id=\"greenplum%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-GhyuggELyT\">Greenplum\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>Greenplum\u5728\u591a\u500b\u884c\u696d\u4e2d\u5f97\u5230\u4e86\u5ee3\u6cdb\u61c9\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5178\u578b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u91d1\u878d\u884c\u696d<\/strong>\uff1a\u7528\u65bc\u98a8\u96aa\u7ba1\u7406\u3001\u5ba2\u6236\u5206\u6790\u548c\u4ea4\u6613\u76e3\u63a7\u7b49\u3002<\/li>\n<li><strong>\u96fb\u4fe1\u884c\u696d<\/strong>\uff1a\u7528\u65bc\u7528\u6236\u884c\u70ba\u5206\u6790\u3001\u7db2\u7d61\u512a\u5316\u548c\u6545\u969c\u6aa2\u6e2c\u3002<\/li>\n<li><strong>\u96f6\u552e\u884c\u696d<\/strong>\uff1a\u7528\u65bc\u92b7\u552e\u9810\u6e2c\u3001\u5eab\u5b58\u7ba1\u7406\u548c\u5ba2\u6236\u95dc\u4fc2\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u61c9\u7528\u5834\u666f\u5c55\u793a\u4e86Greenplum\u5728\u8655\u7406\u5927\u898f\u6a21\u6578\u64da\u96c6\u6642\u7684\u9748\u6d3b\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%96%8b%e5%a7%8b%e4%bd%bf%e7%94%a8greenplum-GhyuggELyT\">\u5982\u4f55\u958b\u59cb\u4f7f\u7528Greenplum<\/h2>\n<p>\u8981\u958b\u59cb\u4f7f\u7528Greenplum\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<ol>\n<li>\u4e0b\u8f09\u4e26\u5b89\u88ddGreenplum\u6578\u64da\u5eab\u3002<\/li>\n<li>\u914d\u7f6e\u4e3b\u7bc0\u9ede\u548c\u6578\u64da\u7bc0\u9ede\u3002<\/li>\n<li>\u5275\u5efa\u6578\u64da\u5eab\u548c\u8868\uff0c\u4e26\u5c0e\u5165\u6578\u64da\u3002<\/li>\n<li>\u4f7f\u7528SQL\u67e5\u8a62\u9032\u884c\u6578\u64da\u5206\u6790\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT customer_id, COUNT(*) AS purchase_count\nFROM sales\nGROUP BY customer_id\nORDER BY purchase_count DESC;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6bcf\u4f4d\u5ba2\u6236\u7684\u8cfc\u8cb7\u6b21\u6578\uff0c\u4e26\u6309\u6b21\u6578\u964d\u5e8f\u6392\u5217\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GhyuggELyT\">\u7e3d\u7d50<\/h2>\n<p>Greenplum\u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u6578\u64da\u5f15\u64ce\uff0c\u6191\u85c9\u5176\u5f37\u5927\u7684\u4e26\u884c\u8655\u7406\u80fd\u529b\u548c\u9ad8\u53ef\u64f4\u5c55\u6027\uff0c\u6210\u70ba\u5927\u6578\u64da\u5206\u6790\u7684\u7406\u60f3\u9078\u64c7\u3002\u7121\u8ad6\u662f\u5728\u91d1\u878d\u3001\u96fb\u4fe1\u9084\u662f\u96f6\u552e\u884c\u696d\uff0cGreenplum\u90fd\u80fd\u6709\u6548\u5730\u8655\u7406\u548c\u5206\u6790\u6d77\u91cf\u6578\u64da\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684\u6578\u64da\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u57fa\u790e\u8a2d\u65bd\u652f\u6301\uff0c\u52a9\u529b\u4f01\u696d\u5728\u6578\u64da\u5206\u6790\u9818\u57df\u53d6\u5f97\u6210\u529f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Greenplum\u9ad8\u6027\u80fd\u6578\u64da\u5f15\u64ce\u7684\u6838\u5fc3\u7279\u6027\uff0c\u4e86\u89e3\u5176\u5982\u4f55\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u5206\u6790\u80fd\u529b\uff0c\u52a9\u529b\u4f01\u696d\u6c7a\u7b56\u3002<\/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-61513","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61513","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=61513"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61513\/revisions"}],"predecessor-version":[{"id":61514,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61513\/revisions\/61514"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}