Re: [PERFORM] High %SYS CPU usage

2012-12-31 Thread Cesar Martin
Finally I resolv the problem setting /sys/kernel/mm/redhat_transparent_hugepage/enabled to "never" 2012/11/2 Cesar Martin > Hi Josh, > > Today is not the worse day for this issue, because Fridays DB have little > workload... But I have this output: > > http://pastebin.com/bKg8tfKC > > I don't h

Re: [PERFORM] High %SYS CPU usage

2012-11-02 Thread Cesar Martin
Hi Josh, Today is not the worse day for this issue, because Fridays DB have little workload... But I have this output: http://pastebin.com/bKg8tfKC I don't have updated OS server from the install. I also begin to think that the problem is OS misconfiguration (Kernel parameters??) or Hardware pro

Re: [PERFORM] High %SYS CPU usage

2012-10-30 Thread Josh Berkus
Cesar, > On this server I have only one database with 312GB of data. The database > had run fine during 4 months, but from two months ago, during high work > load periods, the server is collapsed by "%sys" type load. Hmmm. Have you updated Linux any time recently? I'm wondering if this is a Pos