topic Re: Qvs does not use all available RAM in QlikView

Qvs does not use all available RAM

huning — Sat, 16 Nov 2024 18:08:12 GMT

Hi there,

We have a SBE server with 40 GB RAM. I've noticed today that the QVS.exe never uses more than 14 GB of RAM. In fact the whole day it is limited to 14GB. So 26 GB of RAM is still (and always) available. Whatever I try - like opening all dashboards on the same time - it never exceeds this 14 GB. How is that possible? Somebody has an idea?

Working set: Low / High = 70% / 90%

We are running version 12.40.20000.0

Regards Frank

Re: Qvs does not use all available RAM

Brett_Bleess — Tue, 08 Sep 2020 21:25:43 GMT

Have a look at the following Article and attachment to that:

QIX engine

That should help to a degree, but what should be occurring is some other process has a lock on the additional memory, otherwise the QVS process should be able to get hold of it. If you check the QVS Event log, you should on a QVS service restart that it lists the Low and High Working Set limits, that should be another thing to check to be sure those values returned there are what you expect to see, as the memory limits are determined when the service starts, so if there was another process running at that time that was using the other memory, that would change the limits for QVS etc. Hopefully this may get you on the right track to getting things sorted out.

Regards,
Brett

Re: Qvs does not use all available RAM

cwolf — Tue, 08 Sep 2020 22:36:49 GMT

It appears that your server has 2 CPUs and NUMA is enabled.