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IBM iDoctor iSeries Job Watcher: Advanced Performance Tool
book

IBM iDoctor iSeries Job Watcher: Advanced Performance Tool

by Jim Cook, Sandi Chromey, Tom Edgerton, Debbie Hatt
March 2005
Intermediate to advanced
298 pages
9h 21m
English
IBM Redbooks
Content preview from IBM iDoctor iSeries Job Watcher: Advanced Performance Tool
256 IBM iDoctor for iSeries Job Watcher: Advanced Performance Tool
Collection specification tips
Interval size
If you suspect that a large number of task counts are active on your system, then you need to
carefully decide what to set the collection interval to. If you suspect that your interval size is
too small, then run the query in Example E-1 over the collection member in the QAPYJWTDE
file to find out the maximum seconds that Job Watcher needed to finish its snapshot work.
Example: E-1 Query to find snapshot times and total active task counts
SELECT interval, count(distinct(taskcount)) as tot_taskcounts,
max(startod) as max_startod, min(sta ...
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Publisher Resources

ISBN: 073849237XPurchase book