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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Chapter 2. Overview of job waits and iDoctor for iSeries Job Watcher 29
2.7 iDoctor for iSeries Job Watcher
All preceding material was a generic discussion of wait analysis. Now we focus on the wait
analysis capabilities that are built into Job Watcher.
Job Watcher is a sampling-based performance tool. At specified time intervals, or as fast as
possible, a Job Watcher command or function will sample anywhere from 1 thread or job to all
threads and jobs on an iSeries i5/OS partition (or single system when there are no partition
configurations). This gathers a large variety of performance data, much of it beyond the scope
of this book. But one ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.