On 04/02/2017 12:35, Alwin Antreich wrote:
Hi Michele,
On 02/04/2017 10:44 AM, Michele Bonera wrote:
Hi.
I have an issue with OOM Killer (Proxmox 4.4-5 - Kernel 4.4.35-1-pve) on
my infrastructure: even if there is a lot of free memory (15GB used over
32GB available), OOM Killer is still killing my VM processes.
Are you over committing your machines?
Not at all: the total amount of RAM assigned to the VMs running on this
node is 12GB (and the host has 32GB).
Another consideration could be NUMA, if one node runs out of memory the
kernel might also kill processes.
This is plausible. I'll do some checks... Thanks for the hint.
This morning I had 3 over 6 VM powered down because OOM Killer decided
to kill the related processes even if there were a lot of free memory.
total used free shared buffers cached
Mem: 32725572 32286280 439292 196428 3772084 18648708
-/+: 9865488 22860084
Swap: 1499124 33736 1465388
It could also be possible that your swap space can't be utilized
properly due to your workload.
I exclude this: the cpu utilization rarely exceed 20%
Bye
--
Michele Bonera
www.zipoware.com
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