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Status Submitted
Workspace Db2
Created by Guest
Created on Jan 19, 2024

DMC - "Other Waits" detail graphic needs to be dynamic and smarter

DMC v3.1.12 decided to create a fixed bucket named "Other Times" under "Other Waits" main category on Database Time Spent monitor page..

Please see attached screen-shot.

In the main graphic, we can see "other Waits" is the most contributor.
And in the left-bellow detail graphic, the most contributor metrics is a new "Other Times" which does not help at all in RCA and performance analysis.

I understand that there might be too much metrics to show. and it's not worthy to plot metrics that are not contributing with the total time spent. (0 %) .

But hardcoding some metrics in a generic bucket named "other waits" is not ideal, and not a wise approach. You will never know what kind of issue customer databases will face.

in this particular case, that amount is coming from CF-WAITS, as this is a purescale environment, and that is an IMPORTANT METRIC for us.. but DMC is completely blinding us in such analysis.

Per this sample, we can see that CF-Waits is the most contributor with 50%
Later , we have extended latches, with 40%, Log-Disk 1%

So fixing such metrics in a generic bucket is a bad idea. this needs to be more intelligent and dynamically decided what metrics should be plotted , and what should be bundled together in "other times"

In this case, we should have

* CF-Waits (1st contributor) ,
* Extended-Latch (2nd contributor)
* Log-disk (3rd contributor) ;

* and finally "other waits" as all other represents very few contribution, and are not relevant.

This case it happened with CF-WAIT, but tomorrow or other customer might be something else.. like diaglog-writes.. , FCM, etc ...

Needed By Yesterday (Let's go already!)