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 41
2.9.16 Bucket 15: Seize contention
Think of seizes as the LIC’s equivalent of locks. A seize almost always occurs on or against
an MI object (DB2 physical file member, data queue, program, library, user profile, and so
forth). Seizes can conflict with locks and can cause lock conflicts. There is a large variety of
seizes: shared, exclusive, fair, and intent-exclusive. Explaining everything about seizes is
beyond the scope of this book; they are, after all, internal LIC primitives that are subject to
change at any time. If seizes are a significant percentage of a run/wait ...
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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.