Re: Assistance Required: Ceph OSD Out of Memory (OOM) Issue

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Joachim
Thank you for sharing the information. I appreciate it. I have successfully
activated the OSD after trimming, and it's a really useful tool."

Regards
Mosharaf Hossain
Manager, Product Development
Bangladesh Online (BOL)

Level 8, SAM Tower, Plot 4, Road 22, Gulshan 1, Dhaka 1212, Bangladesh
Tel: +880 9609 000 999, +880 2 58815559, Ext: 14191, Fax: +880 2 2222 95757
Cell: +880 1787 680828, Web: www.bol-online.com



On Wed, Oct 30, 2024 at 1:58 PM Joachim Kraftmayer <
joachim.kraftmayer@xxxxxxxxx> wrote:

> Hi Mosharaf,
>
> read this article to identify if you are facing this issue:
> https://docs.clyso.com/blog/osds-with-unlimited-ram-growth/
>
> Regards, Joachim
>
>
>   www.clyso.com
>
>   Hohenzollernstr. 27, 80801 Munich
>
> Utting | HR: Augsburg | HRB: 25866 | USt. ID-Nr.: DE275430677
>
>
>
> Am Mi., 30. Okt. 2024 um 08:27 Uhr schrieb Md Mosharaf Hossain <
> mosharaf.hossain@xxxxxxxxxxxxxx>:
>
>> Dear Ceph Community,
>>
>> I hope this message finds you well.
>>
>> I am encountering an out-of-memory (OOM) issue with one of my Ceph OSDs,
>> which is repeatedly getting killed by the OOM killer on my system. Below
>> are the relevant details from the log:
>>
>> *OOM Log*:
>> [Wed Oct 30 13:14:48 2024]
>>
>> oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/system-ceph\x2dosd.slice,task=ceph-osd,pid=6213,uid=64045
>> [Wed Oct 30 13:14:48 2024] Out of memory: Killed process 6213 (ceph-osd)
>> total-vm:216486528kB, anon-rss:211821164kB, file-rss:0kB, shmem-rss:0kB,
>> UID:64045 pgtables:418836kB oom_score_adj:0
>> [Wed Oct 30 13:14:58 2024] oom_reaper: reaped process 6213 (ceph-osd), now
>> anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
>>
>> *Ceph OSD Log*:
>>
>> 2024-10-30T13:15:30.207+0600 7f906c74dd80  0 _get_class not permitted to
>> load lua
>> 2024-10-30T13:15:30.211+0600 7f906c74dd80  0 <cls>
>> /build/ceph-15.2.17/src/cls/hello/cls_hello.cc:312: loading cls_hello
>> 2024-10-30T13:15:30.215+0600 7f906c74dd80  0 _get_class not permitted to
>> load kvs
>> 2024-10-30T13:15:30.219+0600 7f906c74dd80  0 _get_class not permitted to
>> load queue
>> 2024-10-30T13:15:30.223+0600 7f906c74dd80  0 <cls>
>> /build/ceph-15.2.17/src/cls/cephfs/cls_cephfs.cc:198: loading cephfs
>> 2024-10-30T13:15:30.223+0600 7f906c74dd80  0 osd.13 299547 crush map has
>> features 432629239337189376, adjusting msgr requires for clients
>> 2024-10-30T13:15:30.223+0600 7f906c74dd80  0 osd.13 299547 crush map has
>> features 432629239337189376 was 8705, adjusting msgr requires for mons
>> 2024-10-30T13:15:30.223+0600 7f906c74dd80  0 osd.13 299547 crush map has
>> features 3314933000854323200, adjusting msgr requires for osds
>> 2024-10-30T13:15:30.223+0600 7f906c74dd80  1 osd.13 299547
>> check_osdmap_features require_osd_release unknown -> octopus
>> 2024-10-30T13:15:31.023+0600 7f906c74dd80  0 osd.13 299547 load_pgs
>> *Environment Details*:
>>
>>    - Ceph Version: 15.2.17 (Octopus)
>>    - OSD: osd.13
>>    - Kernel: Linux kernel version
>>
>> It seems that the OSD process is consuming a substantial amount of
>> memory (total-vm:
>> 216486528kB, anon-rss: 211821164kB), leading to OOM kills on the node. The
>> OSD service restarts but continues to showing consumption excessive memory
>> and OSD get down.
>>
>> Could you please provide guidance or suggestions on how to mitigate this
>> issue? Are there any known memory management settings, configuration
>> adjustments, or OSD-specific tuning parameters that could help prevent
>> this
>> from recurring?
>>
>> Any help would be greatly appreciated.
>>
>> Thank you for your time and assistance!
>>
>>
>>
>> Regards
>> Mosharaf Hossain
>> Manager, Product Development
>> Bangladesh Online (BOL)
>>
>> Level 8, SAM Tower, Plot 4, Road 22, Gulshan 1, Dhaka 1212, Bangladesh
>> Tel: +880 9609 000 999, +880 2 58815559, Ext: 14191, Fax: +880 2 2222
>> 95757
>> Cell: +880 1787 680828, Web: www.bol-online.com
>> _______________________________________________
>> ceph-users mailing list -- ceph-users@xxxxxxx
>> To unsubscribe send an email to ceph-users-leave@xxxxxxx
>>
>
_______________________________________________
ceph-users mailing list -- ceph-users@xxxxxxx
To unsubscribe send an email to ceph-users-leave@xxxxxxx




[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux