DataStage 学习版文档 V0.65
MSN:shirly_li@163.com
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目录 .................................................................................................................................................. 4
1、 简介 ................................................................................................................................... 8
2、 工作原理 ........................................................................................................................... 9
3、DataStage 安装配置 ................................................................................................................ 10
3．1．EE 版在 AIX unix 安装(English) ........................................................................... 10
3．2 .EE 版在 AIX unix 安装(Chinese) ............................................................................ 28
3.2.1．先决条件 ............................................................................................................. 28
3.2.2．准备好必备文件 ................................................................................................. 28
3.2.3. 解压缩文件 .......................................................................................................... 28
3.2.4.开始安装 ................................................................................................................ 29
3.2.5 Datastage EE 版 For AIX 的基础操作 ................................................................ 47
3．3 .EE 版在 windows Nt and Win2003 and Winxp 安装 ................................................ 50
4、我的第一个 Server Job 工程 ................................................................................................... 53
5、DataStage 程序介绍 ................................................................................................................. 64
5．1．DataStage Administrator ............................................................................................. 65
5．2．DataStage Version Control .......................................................................................... 69
5．3．DataStage Director ...................................................................................................... 70
5.4．DataStage Designer ........................................................................................................ 73
5.4.1．DataStage Stage 介绍 ......................................................................................... 73
5.4.2 DataStage Design 环境介绍（Server Job 部分） ........................................ 77
5.4.2.1 Aggregator Stage ...................................................................................... 79
5.4.2.2 Transformer Stage ................................................................................. 82
5.4.3.3 Transformer stage 高级用法 ...................................................................... 86
5.5.5.4 . Sort Stage .................................................................................................. 88
5.4.4.5 Merge Stage .............................................................................................. 91
5.4.4.6 .Job Sequence 的用法 ................................................................................ 96
5.4.3 DataStage Design 环境介绍（Parallel Job 部分） ...................................... 108
5.4.3.1 parallel job 阐述 ....................................................................................... 108
5.4.3.2 一个基本的 parallel job 开发 .............................................................. 108
5.5 ．DataStage Manager .................................................................................................... 121
5．6．MetaStage .................................................................................................................. 122
6、DataStage 性能优化 .............................................................................................................. 122
6.1 瓶颈分析 ......................................................................................................................... 122
6.1.1 源数据读写 .......................................................................................................... 122
6.1.2 磁盘 I/O .............................................................................................................. 123
6.1.3 内存限制 ............................................................................................................. 123
6.1.4 并行度 ................................................................................................................. 123
6.2 优化策略 ........................................................................................................................ 124
6.2.1 提高源数据读取速度 .......................................................................................... 124
6.2.1.1 调整数据在磁盘上的分布 ...................................................................... 124
6.2.1.2 在读入文件是采用多
readers ................................................................. 124
6.2.1.3 去掉字段中的 Unicode 编码方式 ................................................................ 124
6.2.1.4 调整读写 Buffer ...................................................................................... 125
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2008-11-25
10:43:24
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nihaowangxinwei2012-08-02怎么都差不多呀，就感觉都是相互抄来的，或是从官网翻译来的，看了几个就没有什么新意了
