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Status Under review
Workspace Db2 for z/OS
Created by Guest
Created on Feb 7, 2024

RELATED IDEAS

Allow reset of all High Water Mark Statistics values

Currently some statistics HWM values are not reset while Db2 is active - e.g. Q3STCTHW.  Consequently a transient event can hide a long term situation.

This idea would allow those statistics to be re-set to zero - allowing performance management to identify long-ish term trends without a sudden event hiding them.

It could be implemented by a command or a zparm to reset the value at some specified interval.

 

Needed By Not sure -- Just thought it was cool
  • Guest
    Reply
    |     Mar 20, 2024

    I like this idea. Normally the only way to reset HWMs is to cycle the subsystem.


    The command would work Something like:

    -MODIFY STATS RESET(THREADS) would zero the Q3ST thread HWMs

    -MODIFY STATS RESET(DATASETS) would zero the DSMAX HWM in QTST blocks

    -MODIFY STATS RESET(ALL) would reset all eligible HWM fields

    Etc...

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