[PVE-User] Proxmox Ceph high memory usage

Gilberto Nunes gilberto.nunes32 at gmail.com
Wed Jan 16 14:18:04 CET 2019


SO I use this command

ceph config set osd_memory_target 1073741824
And set it into /etc/pve/ceph.conf
It's seems to me that have a positive effect...
I am monitoring yet

Thanks a lot
---
Gilberto Nunes Ferreira

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

Skype: gilberto.nunes36





Em qua, 16 de jan de 2019 às 11:11, Gilberto Nunes <
gilberto.nunes32 at gmail.com> escreveu:

> 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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>


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