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JES3 to JES2 Migration Considerations by Tom Wasik, John Unterholzner, John A. O'Leary, Brad Habbershaw, Bruce Dennis, Karan Singh, Frank Kyne

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Performance and throughput considerations
Performance, like beauty, is in the eye of the beholder. It can be very subjective but at the same time, can be precisely measured. This chapter discusses the performance attributes of JES2 and JES3. Though it will not be able to answer the question of how JES2 will perform in your environment, it will improve your understanding of the performance differences.
13.1 Performance of JES2 compared to JES3
Measuring performance involves looking at factors such as CPU usage, I/O rates, and memory usage. Comparing ...

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