I posted a question just like this back on January 7, 2008, and the
process that was gradually consuming ram was nbevtmgr.  I have NBU
running on 32 bit linux, and this process seems to consume resources
slowly, but I don't have graphs to show its progress.

Restarting NBU (all of it or just nbevtmgr) seems to fix the problem. 
I just checked it now, and after 23 days, it is sitting on 2g of ram. 
Restarting it fixed a lot of things related to performance, and my swap
utilization went way down.

I'm 6.5.2a.


-Jon

> Hello folks,
>
> We are running NBU 6.5.2 on RHEL 4 on Intel X86_64. The master server
> is a dedicated NBU master, there is one dedicated NBU Media Server
> (also RHEL 4 x86_64) and several RHEL 5 x86_64 SAN Media Servers.
>
> The master has 8 GB of RAM.
>
> I am seeing strange constant growth in "commited" memory usage, on the
> Master server only. Apparently this is memory being requested by an
> allocation, but not actually being used.
>
> It doesn't appear to be causing any problems, other than that memory
> utilisation graphs look pretty whacky....
>
> http://img49.imageshack.us/my.php?image=nbumemoryusagela5.png
>
> This is not occuring on any of the media servers. I can't determine
> what process is allocating the memory.
>
> It's a standard RHEL 4 install with no other applications installed of note.
>
> I didn't actually notice it until our Linux admin installed this Munin
> monitoring tool which produced the graphs linked to above, at which
> time the commited memory was over 300GB. As you can see from the
> graphs, a reboot obviously clears it all out.
>
> Has anyone else seen this?
>
> Cheers,
> Dean
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