K 10
svn:author
V 2
mm
K 8
svn:date
V 27
2011-07-08T09:20:32.348831Z
K 7
svn:log
V 240
MFC r223622:
Disable vdev cache (readahead) by default.

The vdev cache is very underutilized (hit ratio 30%-70%) and may consume
excessive memory on systems with many vdevs.

Illumos-gate revision:	13346
Obtained from:		Illumos (Bug #175)

END