Re: Performance problem - MySQL at 99.9% CPU

2008-01-08 Thread Gunnar R.
c, > 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, Gunna

Re: Performance problem - MySQL at 99.9% CPU

2008-01-08 Thread Gunnar R.
c, > 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, Gunna

RE: Performance problem - MySQL at 99.9% CPU

2008-01-03 Thread Gunnar R.
USER 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:

Re: Performance problem - MySQL at 99.9% CPU

2008-01-03 Thread Gunnar R.
64 872 pts/0R+ 22:34 0:00 ps aux [EMAIL PROTECTED] ~]# - I don't really know what to look for when it comes to the show-commands in MySQL, 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 proce

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