On Fri, 2005-05-13 at 11:38 -0600, mbeltran@xxxxxxxxxxxxxxxxx wrote:
> Hi all
>
> I have a box with Centos 4 and qmail with all pathches. since Last month i
> have had twice the same problem. The process kswapd0 uses all my resources
> of CPU and RAM memory and the consequence is that my local queue grow up and
> the box go slow too.
>
> The first time i guess the problem was the version of the kernel, so i did
> an upgrade form kernel.i686 2.6.9-5.0.3.EL to kernel.i686 2.6.9-5.0.5.EL
>
> apparently the problem was solved but today the problem came again. The
> following snapshot shows the situation:
>
>
> top - 10:53:48 up 16 days, 20:05, 1 user, load average: 119.27, 116.16,
> 114.33
> Tasks: 528 total, 13 running, 515 sleeping, 0 stopped, 0 zombie
> Cpu(s): 5.4% us, 89.4% sy, 0.0% ni, 0.3% id, 4.8% wa, 0.0% hi, 0.1% si
> Mem: 2075012k total, 2073404k used, 1608k free, 71056k buffers
> Swap: 4192924k total, 4192924k used, 0k free, 36380k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 60 root 17 0 0 0 0 D 75.4 0.0 585:22.79 kswapd0
> 2164 root 15 0 1736 484 432 S 31.0 0.0 31:57.07 couriertcpd
> 16334 vpopmail 19 0 2660 804 668 R 24.7 0.0 0:01.69 imapd
> 2158 root 15 0 3264 488 432 S 23.4 0.0 1:17.51 couriertcpd
> 32608 apache 16 0 21604 8440 3016 R 15.5 0.4 1:38.09 httpd
> 15284 vpopmail 18 0 4384 1032 760 R 14.9 0.0 0:08.32
> vdelivermail
>
>
>
> I really do not know what thing should i do for solve this problem
>
> thanks in advance
>
> Mario
I think this bug is your problem:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=150971
You can try the kernel at:
http://people.redhat.com/davej/kernels/RHEL4/RPMS.kernel/
(or I can give you version 2.6.9-6.37.EL that is in 4Update1 beta)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: This is a digitally signed message part
Url : http://lists.centos.org/pipermail/centos/attachments/20050513/0ed9a048/attachment.bin
