[PVE-User] Proxmox Ceph high memory usage

Gilberto Nunes gilberto.nunes32 at gmail.com
Wed Jan 16 14:11:05 CET 2019


Oh! I see it now!
So what I need to change is osd_memory_target instead bluestore_cache_*,
right?

Thanks
---
Gilberto Nunes Ferreira

(47) 3025-5907
(47) 99676-7530 - Whatsapp / Telegram

Skype: gilberto.nunes36





Em qua, 16 de jan de 2019 às 11:07, Alwin Antreich <a.antreich at proxmox.com>
escreveu:

> Hello Gilberto,
>
> On Wed, Jan 16, 2019 at 10:11:06AM -0200, Gilberto Nunes wrote:
> > Hi there
> >
> > Anybody else experiment hight memory usage in Proxmox CEPH Storage
> Server?
> > I have a 6 node PVE CEPH and after upgrade, I have noticed this high
> memory
> > usage...
> > All server has 16GB of ram. I know this is not recomended, but that what
> I
> > have at the moment.
> > In fact, just 3 servers ran with about 90% of memory usage.
> > All server is IBM x3200 m2 with SATA disks...
> > Here's ceph osd tree
> > ceph osd tree
> > ID  CLASS WEIGHT   TYPE NAME           STATUS REWEIGHT PRI-AFF
> >  -1       38.50000 root default
> >  -3        4.00000     host pve-ceph01
> >   0   hdd  1.00000         osd.0           up  1.00000       0
> >   1   hdd  1.00000         osd.1           up  1.00000       0
> >   2   hdd  1.00000         osd.2           up  1.00000       0
> >   3   hdd  1.00000         osd.3           up  1.00000       0
> >  -5        8.00000     host pve-ceph02
> >   4   hdd  2.00000         osd.4           up  1.00000 1.00000
> >   5   hdd  2.00000         osd.5           up  1.00000 1.00000
> >   6   hdd  2.00000         osd.6           up  1.00000 1.00000
> >   7   hdd  2.00000         osd.7           up  1.00000 1.00000
> >  -7        9.00000     host pve-ceph03
> >   8   hdd  3.00000         osd.8           up  1.00000 1.00000
> >   9   hdd  3.00000         osd.9           up  1.00000 1.00000
> >  10   hdd  3.00000         osd.10          up  1.00000 1.00000
> >  -9       12.00000     host pve-ceph04
> >  11   hdd  3.00000         osd.11          up  1.00000 1.00000
> >  12   hdd  3.00000         osd.12          up  1.00000 1.00000
> >  13   hdd  3.00000         osd.13          up  1.00000 1.00000
> >  14   hdd  3.00000         osd.14          up  1.00000 1.00000
> > -11        1.00000     host pve-ceph05
> >  15   hdd  0.50000         osd.15          up  1.00000       0
> >  16   hdd  0.50000         osd.16          up  1.00000       0
> > -13        4.50000     host pve-ceph06
> >  17   hdd  1.00000         osd.17          up  1.00000       0
> >  18   hdd  1.00000         osd.18          up  1.00000       0
> >  20   hdd  1.00000         osd.20          up  1.00000       0
> >  21   hdd  1.50000         osd.21          up  1.00000 1.00000
> >
> Did you see the changle on package upgrade? It explains why it is using
> more memory then before.
>
> http://download.proxmox.com/debian/ceph-luminous/dists/stretch/main/binary-amd64/ceph_12.2.10-pve1.changelog
>
> --
> Cheers,
> Alwin
>
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