[CFR][ZFS] merge Illumos rev. 13346 (set vdev_cache to zero)

Martin Matuska mm at FreeBSD.org
Mon Jun 20 09:16:15 UTC 2011


zfs vdev cache (readahead) consumes excessive memory and is very
underutilized.
Set zfs_vdev_cache_size to zero.
This change is present in Solaris 11.

https://www.illumos.org/issues/175
https://www.illumos.org/projects/illumos-gate/repository/revisions/13346

If there are no objections, I will commit this to -HEAD.

-- 
Martin Matuska
FreeBSD committer
http://blog.vx.sk

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