[cisco-voip] RTMTSessionsExceedsThreshold CUCM 8.6.2.22028

[Wes Sisk]

I believe this is an attempt to mitigate several recent leaks associated with RTMT and Tomcat. If the leaks continue they slow Tomcat to a crawl and eventually take it down. Tomcat consumes all avialable memory on marginal platforms and begins impacting call processing:

This is the effect of:
CSCtj50884    Tomcat - java.lang.OutOfMemoryError due to large number of RTMT requests

which has affected *many* installations.

Regards,
Wes


On May 23, 2012, at 11:22 PM, Nate VanMaren wrote:

I got that too after moving to an ES.  (I can’t remember which one, there have been soo many bad ones lately.)  I ended up bumping up the Alert threshold for number of sessions.
 
My  assumption it is a new alert, but I agree the number seems to be off for now.
 
-Nate
 
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Steve Gustafson
Sent: Wednesday, May 23, 2012 4:54 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] RTMTSessionsExceedsThreshold CUCM 8.6.2.22028
 
Hi All,
Running CUCM 8.6.2.22028 and getting an annoying RTMT alert.  All known RTMT sessions have been disconnected.  Can't figure out what the deal is.  It started happening Monday morning at around 03:00.  I upgraded the cluster the Friday before from 8.6.2.20000.  Not sure why these annoying alerts are happening all of a sudden.
 
Thanks,
Steve


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