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Niklas Hambuechen

  • Registered on: 03/01/2018
  • Last connection: 06/21/2020

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08/22/2022

01:34 PM CephFS Documentation #57062: Document access patterns that have good/pathological performance on CephFS
Hi Venky, I'm using the kclient on Linux 5.10.88 in this cluster.

08/12/2022

05:22 PM CephFS Documentation #57062: Document access patterns that have good/pathological performance on CephFS
I think that a good place for this info to be added would be https://docs.ceph.com/en/quincy/cephfs/app-best-practice...
05:18 PM Ceph Revision c367f7d5 (ceph): doc/man/rbd: Mention changed `bluestore_min_alloc_size`
This change was done in: https://github.com/ceph/ceph/pull/34588
Signed-off-by: Niklas Hambüchen <mail@nh2.me>
(cher...
04:43 PM Ceph Revision dc8e8672 (ceph): doc/man/rbd: Mention changed `bluestore_min_alloc_size`
This change was done in: https://github.com/ceph/ceph/pull/34588
Signed-off-by: Niklas Hambüchen <mail@nh2.me>
(cher...
03:00 PM Ceph Revision 25402534 (ceph): doc/man/rbd: Mention changed `bluestore_min_alloc_size`
This change was done in: https://github.com/ceph/ceph/pull/34588
Signed-off-by: Niklas Hambüchen <mail@nh2.me>

08/11/2022

03:44 AM CephFS Bug #54253: Avoid OOM exceeding 10x MDS cache limit on restart after many files were opened
Unfortunately I must report that I'm still hitting this issue even with Ceph 16.2.7 and...

08/08/2022

07:03 PM CephFS Documentation #57062 (New): Document access patterns that have good/pathological performance on C...
I have a CephFS 16.2.7 with 200 M small files (between 1 KB and 100 KB; ther are a few larger ones up to 200 MB) and ...

08/02/2022

03:36 AM Ceph Bug #56998 (New): dump_historic_slow_ops formats "throttled" event with weird duration
...

07/18/2022

08:38 PM CephFS Documentation #49406: Exceeding osd nearfull ratio causes write throttle.
After wondering for a long time why my clusters get slow at some point, I finally found this as well.
It would be ...

04/11/2022

07:51 AM Ceph Documentation #53752: bluestore_min_alloc_size and similar options are undocumented
Awesome, great job!

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