Date: Thu, 29 Nov 2007 16:57:34 +0100 From: "Claus Guttesen" <kometen@gmail.com> To: "Pete French" <petefrench@ticketswitch.com> Cc: freebsd-stable@freebsd.org Subject: Re: Also seeing 2 x quad-core system slower that 2 x dual core Message-ID: <b41c75520711290757w6c004602kc529676ae04a31b6@mail.gmail.com> In-Reply-To: <E1IxklH-000ElU-3w@dilbert.ticketswitch.com> References: <E1IxklH-000ElU-3w@dilbert.ticketswitch.com>
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> I think I also just came up against the same effect that the original poster > saw. I have two sets of machines here - one is a pair of dual core Xeons, > the other a pair of quad core Xeons. They are HP servers, more or less > identical apart from the processors I belive. > > Both have 7.0-BETA3 installed, and the same config on them with the > same files. I am trying to delete a gigabyte of files using 'rm -rf' > > On the dual core processors this takes about 20 seconds. On the quad > cores it takes about 3 minutes! This is true for both the 32 and 64 bit > versions of FreeBSD :-( ULE- or 4BSD-scheduler? Bit OT: Are the servers DL360 or DL380 (G5)? I will upgrade a DL380 server from 6.2 to 7.0 (beta3) in order to gain some performance tomorrow. -- regards Claus When lenity and cruelty play for a kingdom, the gentlest gamester is the soonest winner. Shakespeare
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