Date: Mon, 24 Jun 2002 17:46:23 -0500 (CDT) From: Mike Silbersack <silby@silby.com> To: Patrick Thomas <root@utility.clubscholarship.com> Cc: freebsd-hackers@freebsd.org Subject: Re: tunings for many httpds... Message-ID: <20020624174404.P54460-100000@patrocles.silby.com> In-Reply-To: <20020624151650.I68572-100000@utility.clubscholarship.com>
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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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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