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IBM Employees:
The correct URL for entering your ideas is: https://hybridcloudunit-internal.ideas.aha.io
Thank you for submitting this Aha! Ideas. Db2 development has reviewed it and provided the following:
When an agent fails due to an abend or it is cancelled, Db2 does have code to clean up, including when latches are held such as page latches. There are certain scenarios where this cleanup is not possible, e.g. when the latch holder has gone or if we are in the middle of a process that cannot be rectified. The reason why crashing Db2, or Db2 being recycled, solves this issue is that the the temporary inconsistency that the latch protects against exists in memory only, so by restarting Db2 the in-memory structures and chains are all thrown away.
For this reason there are situations where failing Db2 is unavoidable. It is not done lightly and we continue to make improvements in terms of Db2 resiliency. But this requirement cannot be met wholesale.
Therefore, unfortunately, we will no be implementing this Idea. We do encourage you to continue submitting your enhancement requests as we review each one as potential candidates for Db2 for z/OS.
Sincerely,
The Db2 for z/OS Development team