Re: MySQL4 on Linux with Intel Hyperthreading CPUs?

2002-12-12 Thread Mark Matthews
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Keith Sauvant wrote: Hi Group, I have a new dedicated mysql 4.0.5 server running redhat 8.0 that we are testing. The new server is a dual Intel Xeon 2.4GHZ with hyperthreading enabled, so Linux thinks there are 4 cpu's rather than the 2 re

RE: MySQL4 on Linux with Intel Hyperthreading CPUs?

2002-12-12 Thread Mike Grabski
If the OS can use hyperthreading, fortunately, benchmarks are showing that there's no preformance hits because of overhead created trying to keep resource contention down. This is good! So if your system _can_ support hyperthreading, leaving it on won't hurt, if it doesn't improve your system's per

Re: MySQL4 on Linux with Intel Hyperthreading CPUs?

2002-12-12 Thread Keith Sauvant
Hi Group, > I have a new dedicated mysql 4.0.5 server running redhat 8.0 that we are testing. > The new server is a dual Intel Xeon 2.4GHZ with hyperthreading enabled, so Linux > thinks there are 4 cpu's rather than the 2 real CPU's. I have a similar hardware running mysql 3.23.52 on linux. In

RE: MySQL4 on Linux with Intel Hyperthreading CPUs?

2002-12-11 Thread Adam Erickson
We're running a 4x1.6Ghz Xeon box. Linux reports 8 procs. We've been running MySQL on it for a couple months now in production under a good load. Database sits around 60GB with anywhere from 200-800 concurrent connections. Both InnoDB and MyISAM types are used and we're not having a single proble