[Bug 228464] vfs.zfs.vdev.max_pending - does not exist anymore

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu May 24 16:59:14 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228464

            Bug ID: 228464
           Summary: vfs.zfs.vdev.max_pending - does not exist anymore
           Product: Documentation
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Documentation
          Assignee: doc at FreeBSD.org
          Reporter: vermaden at interia.pl

https://www.freebsd.org/doc/handbook/zfs-advanced.html

Documentation states:

vfs.zfs.vdev.max_pending - Limit the number of pending I/O requests per device.
A higher value will keep the device command queue full and may give higher
throughput. A lower value will reduce latency. This value can be adjusted at
any time with sysctl(8).

But vfs.zfs.vdev.max_pending does not exist anymore.
% sysctl vfs.zfs.vdev.max_pending
sysctl: unknown oid 'vfs.zfs.vdev.max_pending'

% uname -srnm
FreeBSD t420s.local 11.2-BETA2 amd64

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