42IBM iDoctor for iSeries Job Watcher: Advanced Performance Tool
The following list shows the ENUMs that are associated with this bucket.
2.9.18 Bucket 17: Object lock contention
These are the conflicts between threads involving objects. The OS frequently needs and
obtains locks during such operations as:
Opening a DB2 file
Creating or deleting an object into a library
Moving an object to a different library
Ownership changes
The operating system can also use
symbolic locks as a serialization mechanism. These are
called
space location locks.
Application code can explicitly use locks via the Allocate Object (ALCOBJ) command.
The following list ...
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