[PVE-User] Kernel Memory Leak on PVE6?

[Alexandre DERUMIER]

can send detail of 

cat /proc/slabinfo

?

----- Mail original -----
De: "Aaron Lauterer" <a.lauterer at proxmox.com>
À: "proxmoxve" <pve-user at pve.proxmox.com>
Envoyé: Vendredi 20 Septembre 2019 15:12:04
Objet: Re: [PVE-User] Kernel Memory Leak on PVE6?

On 9/20/19 3:04 PM, Chris Hofstaedtler | Deduktiva wrote: 
> * Aaron Lauterer <a.lauterer at proxmox.com> [190920 14:58]: 
>> Curious, I do have a very similar case at the moment with a slab of ~155GB, 
>> out of ~190GB RAM installed. 
>> 
>> I am not sure yet what causes it but things I plan to investigate are: 
>> 
>> * hanging NFS mount 
> 
> Okay, to rule storage issues out, this setup has: 
> - root filesystem as ext4 on GPT 
> - efi system partition 
> - two LVM PVs and VGs, with all VM storage in the second LVM VG 
> - no NFS, no ZFS, no Ceph, no fancy userland filesystems 
> 
>> * possible (PVE) service starting too many threads -> restarting each and 
>> checking the memory / slab usage. 
> 
> Do you have a particular service in mind? 

Not at this point. I would restart all PVE services (systemctl| grep -e 
"pve.*service") one by one to see if any of it will result in memory 
being released by the kernel. 

If that is not the case at least they are ruled out. 
> 
> Chris 
> 

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