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InfoSphere DataStage Parallel Framework Standard Practices by Paul Christensen, Julius Lerm

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Performance tuning job designs
The ability to process large volumes of data in a short period of time depends on all aspects of the flow and environment being optimized for maximum throughput and performance. Performance tuning and optimization is an iterative process that begins at job design and unit tests, proceeds through integration and volume testing, and continues throughout an application’s production life cycle.
This section provides tips for designing a job for optimal performance, and for optimizing the performance of a given data flow ...

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