DOORS NG_JVM free memory 3%
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We have DOORS NG 605 (no patches), noticing slowness and free JVM less than 10% only when single user is connected to DOORS NG production and updating single line artifact text. User unable to update the requirements at this time.
Configuration details:
RAM: 64GB
CPU: 8Cores
Allocated/Reserved JVM: 56GB
Indices folder size: 56GB
Any recommendation for the performance improvement would be appreciated.
Thank you,
Aljo George
Thermo Fisher Scientific
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2 answers
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Ian Barnard (2.0k●6●13)
| answered Apr 29 '20, 10:48 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER
Hi Aljo
In itself, a very low percentage of free JVM memory doesn't ring alarm bells because that's the way Java works: it uses free memory first, then only does garbage collection when it's nearly run out - i.e. it uses the space you've given it.
There is more information about tuning DOORS Next here: https://jazz.net/wiki/bin/view/Deployment/ConfiguringAndTuningDNG
In particular you should refer to the content below heading "Jena Index and File System Memory Consumption" in that second link.
HTH
Ian
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