Date: Tue, 21 Aug 2001 16:40:54 -0400 (EDT) From: Mike Silbersack <silby@silby.com> To: Giorgos Verigakis <verigak@algol.vtrip-ltd.com> Cc: <freebsd-hackers@freebsd.org> Subject: Re: Zope's performance issues Message-ID: <Pine.BSF.4.30.0108211638490.74527-100000@niwun.pair.com> In-Reply-To: <Pine.BSF.4.30.0108211539240.74527-100000@niwun.pair.com>
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On Tue, 21 Aug 2001, Mike Silbersack wrote: > On Tue, 21 Aug 2001, Giorgos Verigakis wrote: > > The current scheme causes problems with TIME_WAIT recycling, which may > cause long delays in establishing new connections if you're connection to > the same host rapidly enough to cause TIME_WAIT recycling to be an issue. > This is why there's a huge spike only when you get to 1000 hits/second. > > There could be other reasons, of course, but this will overshadow the > others. I tested your test program with apache, and the change is > noticeable. So, hold off on further testing until later this week. > > Mike "Silby" Silbersack There's a second problem with your program too: It causes TIME_WAITs to pile up on the client side, which is not a well-handled situation for us. Use apachebench for future testing, it will automatically generate the stats you are looking for. 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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