>I am definitely not out of memory or any other sensitive resource.=A0=A0Whe=
> n=A0Firebird becomes unresponsive, I am able to use every other service or =
> application on this server except for Firebird.=A0 This did not seem to sta=
> rt occurring until I added some logic to my application which does some int=
> ernal monitoring using the monitoring tables.=A0 My guess this has somethin=
> g to do with the lock manager or monitoring, or both.

Then we need more info or, much better, reproducible test case.
Also i have still not committed patch for XNET stability on high loads.
I hope it will be ready to be included into upcoming Fireird 2.1.2
I can send patched binaries to you when it will be ready.


Regards,
Vlad