[ceph-users] cephfs: some metadata operations take seconds to complete

2017-10-16 Thread Tyanko Aleksiev
Hi, At UZH we are currently evaluating cephfs as a distributed file system for the scratch space of an HPC installation. Some slow down of the metadata operations seems to occur under certain circumstances. In particular, commands issued after some big file deletion could take several seconds

Re: [ceph-users] cephfs: some metadata operations take seconds to complete

2017-10-16 Thread Linh Vu
-users on behalf of Tyanko Aleksiev Sent: Tuesday, 17 October 2017 4:07:26 AM To: ceph-users Subject: [ceph-users] cephfs: some metadata operations take seconds to complete Hi, At UZH we are currently evaluating cephfs as a distributed file system for the scratch space of an HPC installation. S

Re: [ceph-users] cephfs: some metadata operations take seconds to complete

2017-10-17 Thread Tyanko Aleksiev
Thanks for the replies. I'll move all our testbed installation to Luminous and redo the tests. Cheers, Tyanko On 17 October 2017 at 10:14, Yan, Zheng wrote: > On Tue, Oct 17, 2017 at 1:07 AM, Tyanko Aleksiev > wrote: > > Hi, > > > > At UZH we are currently evaluating cephfs as a distributed fi