kernel Memory Leak Issue

[Ezra Taylor]

Hello Rangi:
                       This is not a bug.  Linux will release the memory
when it is needed again.  I've noticed this myself a few years ago using
cacti to view memory usage.  Also, you should make sure that the Java apps
is using GC(garbage collection) correctly.

On Fri, Feb 6, 2009 at 8:04 PM, Rangi, Jai <jrangi at automotive.com> wrote:

> All,
>
> Here I have a little issue with System memory and Java application. We
> have this java application that uses all the memory. If we shut down the
> application the memory does not come back. The developer think that this
> is bug in the Kernel.
>
>
>
> This is what I see on the server.
>
>
>
> [root at halapcnt4s ~]# ps aux | awk '{sum +=$4}; END {print sum}'
>
> 28.7
>
> Total Memory % used.
>
> [root at halapcnt4s ~]# free -t -m
>
>             total       used       free     shared    buffers
> cached
>
> Mem:         24108      24083         24          0         66
> 659
>
> -/+ buffers/cache:      23358        750
>
> Swap:         2047          0       2046
>
> Total:       26155      24084       2071
>
> According to this 23.3 Gb is used out of 24GB.
>
> 29% of 24GB is 6.96GB. Now where is rest of (23.6-6.96) 16.34 GB memory
> is used?
>
> Thank you,
>
>
> Jai Rangi
>
>
>
>
>
>
>
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-- 
Ezra Taylor