Ethan Erchinger wrote:
> correct ratio of arc to l2arc?
from http://blogs.sun.com/brendan/entry/l2arc_screenshots
Thanks Rob. Hmm...that ratio isn't awesome.
TANSTAAFL
A good SWAG is about 200 bytes for L2ARC directory in the ARC for
each record in the L2ARC.
So if your recordsize
>
> > correct ratio of arc to l2arc?
>
> from http://blogs.sun.com/brendan/entry/l2arc_screenshots
>
Thanks Rob. Hmm...that ratio isn't awesome.
___
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-
> correct ratio of arc to l2arc?
from http://blogs.sun.com/brendan/entry/l2arc_screenshots
"It costs some DRAM to reference the L2ARC, at a rate proportional to record
size.
For example, it currently takes about 15 Gbytes of DRAM to reference 600 Gbytes
of
L2ARC - at an 8 Kbyte ZFS record size
> This is a mysql database server, so if you are wondering about the
> smallish arc size, it's being artificially limited by "set
> zfs:zfs_arc_max = 0x8000" in /etc/system, so that the majority of
> ram can be allocated to InnoDb.
>
I was told offline that it's likely because my arc size ha