On Mon, 24 Jun 2002, Patrick Thomas wrote:

> Two things about this interested me:
>
> a) watching `top` output anytime of the day, i see several httpd processes
> in "sbwait" - granted I can only see 40 lines of processes or so in `top`,
> but usually at least two show "sbwait".  Worrisome ?

sbwait is _NOT_ necessarily a bad thing.  A httpd sending data to someone
on a modem will show this most of the time, as it is waiting for ACKs
coming back from the other end.  mclalloc is the state you should be
worried about seeing: it does mean that you have run out of mbufs.

> Is it possible that within 30 seconds or so current mbufs would skyrocket
> and my percentage of mb_map in use would skyrocket and I would start to
> see requests for memory denied ?
>
> All comments appreciated.
>
> --PT

I doubt it.  The problem probably lies elsewhere.

Mike "Silby" Silbersack


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