Ceph

03/30/2023

06:24 AM CephFS Documentation #57062: Document access patterns that have good/pathological performance on CephFS

Venky Shankar wrote:
> Niklas Hambuechen wrote:
> > Hi Venky, I'm using the kclient on Linux 5.10.88 in this cluste... hongsong wu

05/08/2021

02:56 AM Messengers Bug #34525: MDS Daemon msgr-worker-2 thread crush

This issue happened on our cluster too(ceph version is 12.2.13). not only mds have this problem，osd may encounter thi... hongsong wu

12/22/2020

03:29 AM bluestore Bug #48696 (Resolved): osd assert because of aios will be truncated.

* 1.anomalies
osd assert after it‘s reboot，just like the following:... hongsong wu

07/15/2020

09:51 AM bluestore Bug #46411: mimic: Disks associated to osds have small write io even on an idle ceph cluster

I have fixed this bug in pr: https://github.com/ceph/ceph/pull/36108 , can you help to have a review ? @Igor Fedotov... hongsong wu

08:51 AM bluestore Bug #46411: mimic: Disks associated to osds have small write io even on an idle ceph cluster

I am sorry, There is a problem with the pr link given above( This abnormal phenomenon is caused by the pr(https://git... hongsong wu

08:36 AM bluestore Bug #46411: mimic: Disks associated to osds have small write io even on an idle ceph cluster

hongsong wu wrote:
> Affected Versions: v12.2.12~~v12.2.13, v13.2.5 ~~ v13.2.10
hongsong wu

07/08/2020

06:44 AM bluestore Bug #46411: mimic: Disks associated to osds have small write io even on an idle ceph cluster

Affected Versions: v12.2.12~~v12.2.13, v13.2.5 ~~ v13.2.9 hongsong wu

06:09 AM bluestore Bug #46411 (Rejected): mimic: Disks associated to osds have small write io even on an idle ceph cluster

* 1.anomalies
When the ceph cluster is idle,you can found that the disks associated to osds have small write io e... hongsong wu

06/30/2020

06:18 AM CephFS Bug #46269 (Resolved): ceph-fuse: ceph-fuse process is terminated by the logratote task and what is more serious is that one Uninterruptible Sleep process will be produced

*1. reproduce the scene as shown below：*
(1) step 1:
Open the terminal_1, and
Prepare the cmd: "killall -q -1 ce... hongsong wu