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hi,
it's a little bit weird that OOM kicks in with VMs <32GB RAM when you
have 64GB
take a closer look why this happens , i.e. why OOM thinks there is ram
pressure
roland
Am 07.07.25 um 11:26 schrieb Marco Gaiarin:
We have upgraded a set of clusters from PVE6 to PVE8, and we have found that
in newer kernels, OOM is a bit more 'aggressive' and sometime kill a VMs.
Nodes have plently of RAM (64GB, VMs are 2-3, each 8GB ram), VMs have qemu
agent installed and ballooning enabled, but still sometime OOM happen.
Clearly, if get OOM the main VMs that have the local DNS, we get some
trouble.
I've looked in PVE wiki, but found nothing. There's some way to relax OOM,
or control their behaviour?
In nodes there's no swap, so probably the best thing to do (but the hardest
one ;-) is to setup some swap with a lower swappiness, but i'm seeking
feedback.
Thanks.
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