新手请教，dataStage PX 中的 PX 是啥意思啊？ 先谢了

Parallel

parallel extender

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Version History
This is a list of the features added between DataStage Server Edition versions. Most major release of the product came with performance improvements such as improved data buffering and memory sharing.

DataStage 4 Released May 2000, known as Ardent DataStage 4 it was the first release since the acquisition of the company by Informix.

Clickstream analysis. The ability to read and parse web server log files.
DataStage 5 Released November 2001, the company had split off from Informix and become Ascential Software.

The Version Control tool was bundled with the product for the first time.
Sequence Jobs provided a way to control server jobs via a GUI interface.
DataStage 6 Released in the second half of 2002 it was the first version to be released alongside QualityStage, ProfileStage and Enterprise Edition.

The Version Control tool is bundled with the product at no additional cost for the first time.
Sequence jobs are introduced to control and order server and parallel jobs via a GUI interface.
QualityStage plugin for DataStage.
DataStage 7 Released in June 2003.

DataStage 8 Released in October 2006 The first version to be hosted on the IBM Information Server.