Date: Wed, 30 Jun 2004 19:05:47 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: Aaron Bannert <aaron@clove.org> Cc: stable@freebsd.org Subject: Re: Apache2 threaded MPM? Message-ID: <20040630190307.Q66769@carver.gumbysoft.com> In-Reply-To: <FBB2849B-CAB3-11D8-8206-000393B3C494@clove.org> References: <40E26F4A.80004@fer.hr> <FBB2849B-CAB3-11D8-8206-000393B3C494@clove.org>
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On Wed, 30 Jun 2004, Aaron Bannert wrote: > > On Jun 30, 2004, at 12:44 AM, Ivan Voras wrote: > > > Can apache2 be run on FreeBSD 4.x using a threaded MPM (e.g. > > "mpm_worker")? Is anybody using this in production? > > There are some serious problems with FreeBSD 4.x's thread support that > cause Apache's worker MPM to fail in strange and horrible ways. It is > possible to force Apache to build the worker MPM under FreeBSD 4.x, but > you have to hack around the safeguards we put in that disallow this. > Even if you manage to get it to work I'd completely avoid it for > production machines. I've heard good reports from people running worker > under 5.x though. Yes, the threaded MPMs are MUCH better under 5.x, which has proper kernel-based thread support. On 4.x, its a userland scheduler running as a single process (libc_r), and performance _SUCKS_. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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