some arc_reclaim_needed stats

[Andriy Gapon]

on 21/04/2010 16:04 jhell said the following:
> If these are not tunable values and serve a good purpose as a stat to be
> added at some point, would they not be better in kstat.zfs.misc? rather
> than vfs.zfs so they can be collected with the rest of the stats via
> arc_summary.pl.

Yes, I agree.
But right now no one seems to think that there is anything useful about these
stats :-)

> Without seeing the thread "kstat.zfs.misc.arcstats.hash_collisions" I
> had updated the arc_summary.pl script yesterday to include these under a
> "ARC Misc" section in the output. Just a FYI in case it may be useful to
> you or others.

BTW, it would be nice if hash table size (number of buckets) would be reported
too.  But that's a kernel change, not arc_summary.

-- 
Andriy Gapon