Re: xfs_reclaim_inodes_ag taking several seconds

2020-11-18 Thread Donald Buczek
On 8/12/20 8:49 AM, Donald Buczek wrote: On 8/4/20 12:11 AM, Dave Chinner wrote: On Sat, Aug 01, 2020 at 12:25:40PM +0200, Donald Buczek wrote: On 01.08.20 00:32, Dave Chinner wrote: On Fri, Jul 31, 2020 at 01:27:31PM +0200, Donald Buczek wrote: Dear Linux people, we have a backup server wit

Re: xfs_reclaim_inodes_ag taking several seconds

2020-08-11 Thread Donald Buczek
On 8/4/20 12:11 AM, Dave Chinner wrote: On Sat, Aug 01, 2020 at 12:25:40PM +0200, Donald Buczek wrote: On 01.08.20 00:32, Dave Chinner wrote: On Fri, Jul 31, 2020 at 01:27:31PM +0200, Donald Buczek wrote: Dear Linux people, we have a backup server with two xfs filesystems on 101.9TB md-raid6

Re: xfs_reclaim_inodes_ag taking several seconds

2020-08-03 Thread Dave Chinner
On Sat, Aug 01, 2020 at 12:25:40PM +0200, Donald Buczek wrote: > On 01.08.20 00:32, Dave Chinner wrote: > > On Fri, Jul 31, 2020 at 01:27:31PM +0200, Donald Buczek wrote: > > > Dear Linux people, > > > > > > we have a backup server with two xfs filesystems on 101.9TB md-raid6 > > > devices (16 *

Re: xfs_reclaim_inodes_ag taking several seconds

2020-08-01 Thread Donald Buczek
On 01.08.20 12:25, Donald Buczek wrote: So if I understand you correctly, this is expected behavior with this kind of load and conceptual changes are already scheduled for kernel 5.9. I don't understand most of it, but isn't it true that with that planned changes the impact might be better

Re: xfs_reclaim_inodes_ag taking several seconds

2020-08-01 Thread Donald Buczek
On 01.08.20 00:32, Dave Chinner wrote: On Fri, Jul 31, 2020 at 01:27:31PM +0200, Donald Buczek wrote: Dear Linux people, we have a backup server with two xfs filesystems on 101.9TB md-raid6 devices (16 * 7.3 T disks) each, Current Linux version is 5.4.54. . root:done:/home/buczek/linux_p

Re: xfs_reclaim_inodes_ag taking several seconds

2020-07-31 Thread Dave Chinner
On Fri, Jul 31, 2020 at 01:27:31PM +0200, Donald Buczek wrote: > Dear Linux people, > > we have a backup server with two xfs filesystems on 101.9TB md-raid6 devices > (16 * 7.3 T disks) each, Current Linux version is 5.4.54. . > root:done:/home/buczek/linux_problems/shrinker_semaphore/# cat /

Re: xfs_reclaim_inodes_ag taking several seconds

2020-07-31 Thread Darrick J. Wong
On Fri, Jul 31, 2020 at 01:27:31PM +0200, Donald Buczek wrote: > Dear Linux people, > > we have a backup server with two xfs filesystems on 101.9TB md-raid6 devices > (16 * 7.3 T disks) each, Current Linux version is 5.4.54. > > The server is doing lot of metadata i/o to these filesystems (two r

xfs_reclaim_inodes_ag taking several seconds

2020-07-31 Thread Donald Buczek
Dear Linux people, we have a backup server with two xfs filesystems on 101.9TB md-raid6 devices (16 * 7.3 T disks) each, Current Linux version is 5.4.54. The server is doing lot of metadata i/o to these filesystems (two rsync of complete client filesystems with --link-dest to the previous back