Monitoring true memory utilization
Rick Stevens
rstevens at vitalstream.com
Tue Sep 19 16:27:30 UTC 2006
On Tue, 2006-09-19 at 09:18 -0700, Waldher, Travis R wrote:
> In Redhat how do I do this?
>
>
>
> The top command doesn’t accurately show how much memory is really
> being used since redhat doesn’t immediately release it after a process
> is done with it. For example, top states I am using 9.6GB of RAM, but
> the processes that got it ramped that far up are gone have been
> reduced to three, and should be using roughly 4.5GB of RAM.
Try "vmstat", "sar -r" or "sar -R"
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- Rick Stevens, Senior Systems Engineer rstevens at vitalstream.com -
- VitalStream, Inc. http://www.vitalstream.com -
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- Artificial Intelligence usually beats real stupidity. -
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