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Status Future consideration
Workspace z/OS
Categories BCP_Service Aids
Created by Guest
Created on Feb 3, 2023

RELATED IDEAS

Implement an equivalent to MAXTNDSP used on the CD command for SDUMP today for IEATDUMP/SYSMDUMP/ABDUMP

The Java agent configured in xdump option CICS JVM server triggered a JVM transaction dump (TDUMP).  We experienced a two minutes service interruption because TDUMP processing, by design, set all TCBs in the CICS address space in non-dispatchable. The size of JVM transaction dump was too large that TDUMP was not optimized to handle.

We understand a mechanism (MAXTNDSP) was implemented in SDUMP that can set the maximum time to keep an address space non-dispatchable. Can IBM consider to implement the same to TDUMP or other dump taking mechanism. It would also be favorable if the parameter can be set on address space level, such that we can control the the various max time for different address space. And would IBM consider to optimize the TDUMP processing with the aim to not interrupt business service as much as possible.

 

 

 

Idea priority High

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