[Bug 244665] zfs: Very slow NFS I/O during resilver - _sleep() sleeps really long...

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244665

Kubilay Kocak <koobs at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fs at FreeBSD.org
            Summary|Very slow NFS I/O during    |zfs: Very slow NFS I/O
                   |ZFS resilver - _sleep()     |during resilver - _sleep()
                   |sleeps really long...       |sleeps really long...
              Flags|                            |mfc-stable12?,
                   |                            |mfc-stable11?
           Keywords|                            |needs-qa, performance
           Assignee|bugs at FreeBSD.org            |fs at FreeBSD.org
             Status|New                         |Open

--- Comment #2 from Kubilay Kocak <koobs at FreeBSD.org> ---
@Peter Could you provide additional information including:

- Exact FreeBSD version (uname -a)
- /var/run/dmesg.boot (as an attachment)
- `zpool status` and `zfs list -v` output (as an attachment)
- zfs-stats -a output (as an attachment). [1] 
- /boot/loader.conf and /etc/sysctl.conf output (as an attachment)

[1] https://www.freshports.org/sysutils/zfs-stats/

If possible and ideally, it would be great to be able to upgrade the system to
the latest 12.x release to reproduce the issue there, as the issue may have
already been fixed. If so, we may be able to identify the relevant commits to
merge them to stable/11 if they can be

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