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Job Watcher is a great tool for identifying and resolving contention issues.
It can identify who has the lock, who is waiting for the lock, the length of time the issue occurred, as well as call stacks and SQL statements to identify how you got there.
However, it’s not a beginner tool and you need to have the Performance Tools LPP, Job Watcher feature installed to review the data (or use iDoctor, which is for advanced users).

Collection Services data will show you the lock contention time and affected jobs, but it does not have the additional information Job Watcher can give you.

Dawn


On Mar 6, 2019, at 6:29 PM, Matt Olson <Matt.Olson@xxxxxxxx<mailto:Matt.Olson@xxxxxxxx>> wrote:

What deadlock detection and mitigation tools do you use on IBMi DB2?

We are having a hard time narrowing in the reasons for random "Resource error - SQLSTATE 57014, SQLCODE -1044." Messages which we have recently found appear to be related to locking contention on DB2.

Matt
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