[Users] high load average on OpenVZ servers

Scott Dowdle dowdle at montanalinux.org
Wed Mar 18 12:37:28 EDT 2009


Frank,

That is weird.  I've not had a problem with high loads even when I had a ton of containers running.

Your idle is very high, your wait is 0... and everything looks normal accept for the load.

Any luck finding more clues on the problem?

----- "Frank" <frank at si.ct.upc.edu> wrote:

> Hi,
> we are using a couple of OpenVZ servers with 
> 2.6.18-92.1.18.el5.028stab060.2PAE kernel
> Both have 4 CPU and 16 GB of RAM (they are Dell Servers)
> 
> One of them have 12 VEs, not CPU intensive, and we are having this
> load:
> 
> top - 15:09:53 up 7 days,  2:08,  2 users,  load average: 14.13,
> 14.15, 
> 14.13
> Tasks: 589 total,   2 running, 587 sleeping,   0 stopped,   0 zombie
> Cpu(s):  0.3%us,  2.4%sy,  0.0%ni, 97.2%id,  0.0%wa,  0.0%hi,  0.0%si,
>  
> 0.0%st
> Mem:  16610436k total,  2076208k used, 14534228k free,   229628k
> buffers
> Swap:  4095992k total,        0k used,  4095992k free,   302844k
> cached
> 
> Tho other have 2 VEs, also not CPU intensive, and these are its
> numbers:
> 
> top - 15:11:00 up 2 days,  3:45,  1 user,  load average: 6.15, 6.20,
> 6.18
> Tasks: 352 total,   1 running, 351 sleeping,   0 stopped,   0 zombie
> Cpu(s):  0.3%us,  1.8%sy,  0.0%ni, 97.6%id,  0.0%wa,  0.0%hi,  0.2%si,
>  
> 0.0%st
> Mem:  16610436k total,  2968484k used, 13641952k free,    96052k
> buffers
> Swap:  4095992k total,        0k used,  4095992k free,  1425816k
> cached
> 
> Isn't that too much load average? What can be the problem?
> Regards.
> 
> 
> 
> 
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-- 
Scott Dowdle
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