Re: MySQL Performance on Dual Processor machine

2002-04-30 Thread Frankie Gravato
t;[EMAIL PROTECTED]> To: "Jay Blanchard" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Tuesday, April 30, 2002 5:09 PM Subject: Re: MySQL Performance on Dual Processor machine > Just becareful not to use too much memory unless you raise the DMAX > and such values (see

Re: MySQL Performance on Dual Processor machine

2002-04-30 Thread Ken Menzel
TED]> Sent: Tuesday, April 30, 2002 3:34 PM Subject: RE: MySQL Performance on Dual Processor machine > [snip] > I would suspect other things first such as the my.cnf configuration > (show variables) or has the kernel been optimised on the old box. > Did you check kernel configurati

RE: MySQL Performance on Dual Processor machine

2002-04-30 Thread adam nelson
times the indexes don't copy. -Original Message- From: Jay Blanchard [mailto:[EMAIL PROTECTED]] Sent: Tuesday, April 30, 2002 3:34 PM To: [EMAIL PROTECTED] Subject: RE: MySQL Performance on Dual Processor machine [snip] I would suspect other things first such as the my.cnf configura

RE: MySQL Performance on Dual Processor machine

2002-04-30 Thread Jay Blanchard
[snip] I would suspect other things first such as the my.cnf configuration (show variables) or has the kernel been optimised on the old box. Did you check kernel configurations and disk subsystems? Also the default process size on FreeBSD is 256Meg, so more memory won't help much unless you use

Re: MySQL Performance on Dual Processor machine

2002-04-30 Thread Joseph Bueno
Hi, I don't have any experience with FreeBSD; however, I use MySQL on SMP servers with Linux. 1. due to MySQL architecture (1 thread per connection) you should not expect any performance inprovement on a dual processor for a SINGLE SQL query compared to an uniprocessor machine. This is what

Re: MySQL Performance on Dual Processor machine

2002-04-30 Thread Ken Menzel
, so more memory won't help much unless you use it in my.cnf and the kernel configuration allows it! Hope this helps, Ken - Original Message - From: "Jay Blanchard" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, April 30, 2002 2:04 PM Subject

MySQL Performance on Dual Processor machine

2002-04-30 Thread Jay Blanchard
Howdy all, We have a curious situation here, and I was wondering if any of you have encountered this before. We have MySQL installed on a FreeBSD machine (733mHz, 256Mb RAM). Compiled from source. We installed MySQL on another FreeBSD machine (dual 866mHz, 512Mb RAM). Compiled from source. The