Using up memory and swap space
Percy Barboza
p_barboza at hotmail.com
Tue Jun 2 23:24:00 UTC 2009
A good way to check process-specific memory consumption is seeing the DATA column by running top command (type f key once top is running)
DATA column reports the amount of memory in each process's data and stack segments
Percy
> From: Margaret_Doll at brown.edu
> To: redhat-list at redhat.com
> Date: Tue, 2 Jun 2009 17:10:57 -0400
> Subject: Re: Using up memory and swap space
>
> I should have mentioned that I do use top. "top" however, on our
> system does not show a big user of memory.
>
> On Jun 2, 2009, at 4:57 PM, Margaret Doll wrote:
>
> > I have a ROCKS cluster running RedHat 2.6.18-53.1.14.e15 on the
> > kernel.
> >
> > From time to time the memory and swap space on the system is almost
> > completely used and the system hesitates. The users logged onto the
> > system are not taking up the memory.
> >
> > How do I find which process is using the memory?
> > If the memory is no longer being used by a process, how do I "free"
> > it up.
> >
> > Same question with the swap space.
> >
> > free
> > total used free shared buffers
> > cached
> > Mem: 2054132 2026008 28124 0 1816
> > 1348832 -/+ buffers/cache: 675360 1378772
> > Swap: 1020116 983328 36788
> >
> > Thanks.
> >
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