The value of zfs_arc_min specified in /etc/system must be over 64MB
(0x4000000).
Otherwise the setting is ignored. The value is in bytes not pages.
Jim
---
n 10/ 6/11 05:19 AM, Frank Van Damme wrote:
Hello,
quick and stupid question: I'm breaking my head over how to tunz
zfs_arc_min on a running system. There must be some magic word to pipe
into mdb -kw but I forgot it. I tried /etc/system but it's still at the
old value after reboot:
ZFS Tunables (/etc/system):
set zfs:zfs_arc_min = 0x200000
set zfs:zfs_arc_meta_limit=0x100000000
ARC Size:
Current Size: 1314 MB (arcsize)
Target Size (Adaptive): 5102 MB (c)
Min Size (Hard Limit): 2048 MB (zfs_arc_min)
Max Size (Hard Limit): 5102 MB (zfs_arc_max)
I could use the memory now since I'm running out of it, trying to delete
a large snapshot :-/
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