RTMT ALERT Available virtual memory below 26 Percent. tomcat (1030 MB) uses most of the memory. The alert is generated on Sat Feb 16 01:35:30 EST 2013

[Robin Thomas]

Tomcat Restart is not helping and the only drop in Memory usage is around 6% after restart i.e. i found that it is associated with Bug CSCsu53542 but not sure if the Call manager version 7.1.3.30000-1 is carrying a fix ?

[bernhardczapp]

The mentioned bug is fixed in 7.1.2.
Your version should not be affected.

26% isn't critical.
You could change the threshold in RTMT.

An other possibility is to reboot the server and test if there is more memory available.


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[Robin Thomas]

Thanks for the above post,

So you mean available memory less than 26% is not critical, so what could be the threshold we should set in RTMT ? We have a planned a weekly restart of the Tomcat service every friday to mitigate this. A reboot is not yet planned as we do not have the % of success ratio

Regards

[bernhardczapp]

I have seen CUCMs working fine with 90% swap / virtual memory usage.

Your version of 7.1 is old and may contain a memory leak. Maybe you search bug toolkit for something like this.
But CUCM 7.1 will soon be end of software maintenance anyway.

Regarding the reboot:
On the one hand you can schedule a reboot during a maintenance window and see if the memory consumption is lower.
On the other hand you can wait till you experience troubles during office hours.


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