[cisco-voip] Unity memory leak

[Pat Hayes]

I've yet to see an actual memory leak in Unity, but I've sure seen 
plenty of folks who thought that SQL had one. SQL can easily fool you 
into thinking you've got a memory problem, as it'll expand to take 
pretty well as much memory as it can get, but it hands it back over to 
any other processes looking for it.

If they're observing trouble accessing exchange via outlook as well as 
troubles via TUI (delays, I assume?), it sounds like they're pointing 
the blame arrow in the wrong direction, Exchange is slowing down Unity. 
Outside of high CPU, all of the delays I've seen via TUI have been 
attributed to the exchange server. If this is happening frequently 
enough, try shutting down one to see the effect on the other. Do the 
exchange problems go away if Unity is down? Do the Unity problems go 
away if exchange is down?

If you (or the customer) are really worried about a memory leak, get 
some data, what process does taskmon say is using all of the memory? 
Turn on perfmon counters so you can chart it over time. Easier still, 
use the CUPID service, which will turn on all the basic perfmon counters 
for the system as well as each Unity and Exchange process, and output it 
to CSV.

-------- Original Message  --------
From: "Joel P" <tman701 at gmail.com>
To: "Cisco Voip Mailing list" <cisco-voip at puck.nether.net>
Subject: [cisco-voip] Unity memory leak
Date: 2/19/2008 2:37 PM

> Hey guys,
> 
> I was wondering if there are any known memory issues with Unity version 4.x?
> 
> Every once in a while this customers particular Unity server eats up all
> available RAM and it starts to give users trouble with VM, and supposedly
> starts to slow down Exchange 2k3 also as in it takes users a long time to
> access their email using outlook. Btw this is a Unified installation.
> 
> I think it is something else from the event errors im seeing but the
> customers insists that it is a memory leak issue with Unity.
> 
> 
> Thanks,
> 
> Joel P
> 
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