On 21 August, 2008 - Ben Rockwood sent me these 2,2K bytes:
> Thanks, not as much as I was hoping for but still extremely helpful.
>
>
> Can you, or others have a look at this: http://cuddletech.com/arc_summary.html
>
> This is a PERL script that uses kstats to drum up a report such as the
> following:
It breaks with a division by zero (line 102) if you have disabled zfs
prefetch (set zfs:zfs_prefetch_disable = 1) and gives some interesting
stats on the same machine..
CACHE HITS BY CACHE LIST:
Anon: -6% -121314224
Most Frequently Used: 69% 1282896887 (mfu)
Most Recently Used: 30% 572058573 (mru)
Most Frequently Used Ghost: 2% 41192924 (mfu_ghost)
Most Recently Used Ghost: 4% 80121300 (mru_ghost)
Disk backend with 2G ram and 2.7TB working set, so data cache is a lost
cause. (Waiting for snv96 with primarycache=metadata)
Other than that.. I like it.
/Tomas
--
Tomas Ögren, [EMAIL PROTECTED], http://www.acc.umu.se/~stric/
|- Student at Computing Science, University of Umeå
`- Sysadmin at {cs,acc}.umu.se
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