Date: Sat, 03 Feb 2007 17:19:58 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> To: Alexandre Biancalana <ale@seudns.net> Cc: freebsd-performance@freebsd.org Subject: Re: PHP Performance problem after upgrade to 5.1.6 or 5.2.0 Message-ID: <45C4B62E.6030501@quip.cz> In-Reply-To: <45C495F1.5030408@seudns.net> References: <45C47D49.4040101@quip.cz> <45C495F1.5030408@seudns.net>
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Alexandre Biancalana wrote: > Miroslav Lachman wrote: > >> Hi all, >> >> I have performance problem with PHP after upgrading from PHP 5.1.4 to >> newer version regardles if newer version is 5.1.6 or 5.2.0. I tested >> both with same result. >> I have two same servers (IBM x336 with dual Xeon 3GHz and 2GB RAM) >> serving one webapplication (loadbalancing). Both machines are running >> FreeBSD 6.0 SMP + Apache 2.0.59. If both machines have PHP 5.1.4, >> everything is fine and load is about 1.5 (Apache is running 16-20 >> childs). >> After upgrade to PHP 5.1.6 or 5.2.0, performance goes down - average >> load is about 3-5 with peaks at 12-40 (in this peaks Apache starts to >> run more childs, sometimes to MaxClients). >> Both machines are serving identical content with same requests per >> second, both versions of PHP are compiled from ports with same options. >> Both have in loader.conf: >> accf_data_load="YES" >> accf_http_load="YES" >> > > First of all you should upgrade the FreeBSD to 6.2-STABLE, since this > has a LOT of improvements in the overall system. I would recommend you > to disable HT too. Yes, you are right, this is the last project, where I have 6.0, but I have not spare machine to do some testing with 6.2 for this type of usage. Those two are in production and if I turn off one of them, the second can't survive the load. ;o( I can't risk that result would be worse than is. And even if your are right, the problem it self is in PHP version upgrade... Miroslav Lachman
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