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zhou yang

  • Registered on: 12/18/2017
  • Last connection: 11/20/2023

Issues

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01/23/2019

02:47 AM RADOS Bug #37980: luminous: osd memery use very high,and missmatch between res and heap stats
Thanks a lot.
> disabling THP or setting max_ptes_none to 0
I will try this later and see if that helps. Since it ...

01/22/2019

03:38 AM RADOS Bug #37980: luminous: osd memery use very high,and missmatch between res and heap stats
I am using bluestore, and my client is rbd with ec datapool.
The cluster is running on Centos 7.0.1406, tcmalloc ver...

01/21/2019

06:53 AM CephFS Bug #37979: mds: use up to 80G memory when have large stress
I have encountered similar problems. The mon daemon's buffer_anon use too much memery,about 10G,but I have no idea.
...
03:36 AM RADOS Bug #37980 (New): luminous: osd memery use very high,and missmatch between res and heap stats
ceph 12.2.1
3 nodes, 30 osds per node
ec pool:4+2
After running for 2 months,we find some osds memery use very h...

03/02/2018

02:45 AM bluestore Bug #22957: [bluestore]bstore_kv_final thread seems deadlock
Adam Kupczyk wrote:
> Hi Zhou,
> 1) Could you next time attach with gdb and "bt" of threads bstore_kv_final and fi...
02:28 AM bluestore Bug #22957: [bluestore]bstore_kv_final thread seems deadlock
Sage Weil wrote:
> I'm pretty sure this is #21470, fixed in 12.2.2. Please upgrade!
Thanks a lot, I will upgrade...

02/08/2018

07:52 AM bluestore Bug #22957 (Duplicate): [bluestore]bstore_kv_final thread seems deadlock
ceph 12.2.1
ec overwrite
cephfs performance test
_pool 2 'fs_data' erasure size 3 min_size 3 crush_rule 1 obj...

01/23/2018

09:36 AM Ceph Support #22471: osd op
Greg Farnum wrote:
> Sounds like the network was slow or something?
Yes,we changed the switch, the problem was solv...

12/21/2017

06:20 AM Ceph Support #22471: osd op
This problem seems to be network related,we add debug in AsyncConnection::process and find it takes a long time in th...

12/18/2017

01:32 PM Ceph Support #22471: osd op
ceph 12.2.1
rbd ec-overwrite.
Some times, osd op was blocked for a long time (such as 106 seconds) from initiated...

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