March 2005
Intermediate to advanced
298 pages
9h 21m
English
book
IBM iDoctor iSeries Job Watcher: Advanced Performance Tool
by Jim Cook, Sandi Chromey, Tom Edgerton, Debbie Hatt
Content preview from IBM iDoctor iSeries Job Watcher: Advanced Performance Tool
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Appendix E. Job Watcher advanced topics 257
If you specified Collect data for idle threads in the first interval as shown in Figure E-1,
then at the end of the second snapshot, the data for all task counts on the system is written to
the QAPYJWTDE file; this causes additional overhead on busy systems.
Figure E-1 Collect idle job/thread data for first interval
Collect data as fast as possible?
This collection option is intended for use over a few jobs and LIC tasks. You should not use
this collection option for all jobs and LIC tasks unless directed to do so by IBM Service. Of
course, this does not apply if you are only collecting data for one
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