On Mon, Mar 26, 2012 at 12:19 PM, Richard Elling
> Apologies to the ZFSers, this thread really belongs elsewhere.
Some of the info in it is informative for other zfs users as well though :)
> Here is the output, I changed to "tick-5sec" and "trunc(@, 5)".
> No.2 and No.3 is what I care about.
> The sort is in reverse order. The large number you see below the
> stack trace is the number of times that stack was seen. By far the
> most frequently seen is tmpfs`tmp_readdir
So to summarize, even though there are locks in zfs, they are normal,
and insignificant performance-wise (at least in this case). And if
performance is a problem, the cause is elsewhere.
Is that correct?
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