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z/OS Distributed File Service zSeries File System Implementation z/OS V1R13 by Robert Hering, Paul Rogers

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Performance and tuning
This chapter provides performance and tuning information for using zFS file systems versus using HFS file systems.
It discusses the following topics:
File system access
User file cache
Metadata file cache
Log file cache
Directory cache
Performance monitoring APIs
Comparison of HFS and zFS file systems
6.1 File system access
The performance of zFS can be influenced by controlling the size of the caches used to hold ...

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