Re: [PLUG] vmstat and swapping out pages; need more RAM?

["Douglas Muth" <doug.muth@gmail.com>]

On 5/15/06, Mike Leone <turgon@mike-leone.com> wrote:
> I have a question from one of my consultants. He's an AIX guy, and we've
> been looking at my primary webserver (which is running Pick, a database
> environment, on RedHat Enterprise). While investigating some performance
> issues, I noticed this, from a "vmstat 1":
[snip]

It looks like there is a lot of swap space being used, even though you
look okay on RAM.

However, this is just a single piece of data.  What I'd recommend is
installing something that tracks memory and swap usage over time so
you can determine if the numbers you just posted here are the
exception or the normal.

I haven't (yet) used munin, but judging from this article:

http://www.howtoforge.com/server_monitoring_monit_munin

It might be able to meet your needs on determining memory usage.
Besides, bosses like graphs. :-)

-- Doug
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