产品架构 Greenplum数据仓库 UDW Copyright © 2012-2021 UCloud 优刻得 7/206 1. Client：访问 UDW 的客⼾端 ⽀持通过 JDBC、ODBC、PHP、Python、命令⾏ Sql 等⽅式访问 UDW 2. Master Node：访问 UDW 数据仓库的⼊⼝ 接收客⼾端的连接请求 负责权限认证 处理 SQL 命令 调度分发执⾏计划 汇总 = ", row[3], "\n" print "Operation done successfully"; conn.close() 3.php客⼾端 yum install php-pgsql ⽰例1. 连接 conn.php php $host = "host=hostIP"; $port = "port=port"; $dbname = "dbname=dbname"; successfully\n"; } ?> 快速上⼿ Greenplum数据仓库 UDW Copyright © 2012-2021 UCloud 优刻得 30/206 ⽰例2. 创建表 create.php php $host = "host=hostIP"; $port = "port=port"; $dbname = "dbname=dbname"; $credentials = "user=user

X4600一台，4路dual-core CPU 共8core，32GB – 存储平台：NetApp一台 – 网络平台：千兆网络 – 软件平台：RedHat linux + mysql – 应用软件：基于Apache的PHP程序 • 现有运行现状 – 随着数据量的不断增长，应用在现有平台上的运行效率极度恶化。 – 实际运行采样，9月份月度数据处理时，该应用耗时42小时；经过两个月 的数据累加，到11月份月度数据处理时，该应用耗时达到65小时。

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