Date: Wed, 18 Feb 2004 17:19:20 +0800 From: David Xu <davidxu@freebsd.org> To: Kris Gale <kris-fbsd@asn.net> Cc: freebsd-threads@freebsd.org Subject: Re: More on MySQL -- Fatal trap 12 Message-ID: <40332E18.6090209@freebsd.org> In-Reply-To: <49327.68.106.19.246.1077066768.squirrel@mail.asn.net> References: <56666.68.106.19.246.1077058348.squirrel@mail.asn.net> <Pine.GSO.4.10.10402171926550.4193-100000@pcnet5.pcnet.com> <49327.68.106.19.246.1077066768.squirrel@mail.asn.net>
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Can you tell us what scheduler are you using ? if it is ULE, can you try 4BSD too ? I think this is a heavy load for scheduler too, not just for pthread library. Kris Gale wrote: >>You expect 900 threads on the server (perhaps a few more >>for overhead tasks), right? >> >> > >Yep, and that's what I see. MySQL reports 900 threads in >this instance. > > > >>What are the settings for kern.thread.*? >> >> > >kern.threads.debug: 0 >kern.threads.max_threads_per_proc: 2500 >kern.threads.max_groups_per_proc: 2500 >kern.threads.max_threads_hits: 0 >kern.threads.virtual_cpu: 4 > >
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