[PVE-User] Proxmox Ceph high memory usage

Gilberto Nunes gilberto.nunes32 at gmail.com
Wed Jan 16 16:25:57 CET 2019


Well I realize that set memory to 1GB cause me a lot of trouble.
Now set to 2GB and all is ok...


---
Gilberto Nunes Ferreira

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

Skype: gilberto.nunes36





Em qua, 16 de jan de 2019 às 11:40, Gilberto Nunes <
gilberto.nunes32 at gmail.com> escreveu:

> My other question is if I could use affinity to prevent performance
> bottlenecks...
> I have 5 HDD which is 5 900 RPM.... So can I apply this affinity to this
> slow disks?
> ---
> Gilberto Nunes Ferreira
>
> (47) 3025-5907
> (47) 99676-7530 - Whatsapp / Telegram
>
> Skype: gilberto.nunes36
>
>
>
>
>
> Em qua, 16 de jan de 2019 às 11:18, Gilberto Nunes <
> gilberto.nunes32 at gmail.com> escreveu:
>
>> 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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