Re: Performance problem - MySQL at 99.9% CPU

2008-01-08 Thread Gunnar R.
that's particularly problematic, perhaps optimizing the indexes etc on the table might help with the performance. Also, make sure your HD's aren't full... that will kill performance very quickly if the needed disk space isn't there. Erik On Jan 3, 2008, at 3:44 PM, Gunnar R. wrote: Hello

Re: Performance problem - MySQL at 99.9% CPU

2008-01-08 Thread Gunnar R.
that's particularly problematic, perhaps optimizing the indexes etc on the table might help with the performance. Also, make sure your HD's aren't full... that will kill performance very quickly if the needed disk space isn't there. Erik On Jan 3, 2008, at 3:44 PM, Gunnar R. wrote: Hello

Re: Performance problem - MySQL at 99.9% CPU

2008-01-03 Thread Gunnar R.
, except that it seems I can now be sure that it's the phpBB board that's causing the problems. Not a lot of other processes, and they're sleeping. Anyone wanna explain what else to look for? Cheers, Gunnar R. On ons, januar 2, 2008, 07:10, Ady Wicaksono wrote: Hi, please monitor what happened

RE: Performance problem - MySQL at 99.9% CPU

2008-01-03 Thread Gunnar R.
PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND 2410 mysql 15 0 470m 310m 4464 S 99.9 30.8 4200:25 mysqld How come the CPUs can have idle time even though mysqld is running at 99.9%, AND there's a processor queue (4.36)? Cheers, Gunnar R. On ons, januar 2, 2008, 13:07, Andrew

Performance problem - MySQL at 99.9% CPU

2008-01-01 Thread Gunnar R.
Hello, I am running a community site mainly based on phpBB. It has about 9.300 registered users, 650.000 posts and about 200.000 visitors/month (12 mill hits). The SQL database is about 700MB. It's all running on a couple of years old Dell box with two P4 Xeon 1.7Ghz CPUs, 1GB of RAMBUS memory