The fact that FB 1.5 also had the same problem is irrelevant.

The problem itself is not Firebird, but Windows "bad" cache
intelligence reharding memory usage, and in the latest weeks, I'm
seeing more and more people affected by this problem (specially the
ones using Win 2008 64bits).

Carlos
Firebird Performance in Detail - http://videos.firebirddevelopersday.com
www.firebirdnews.org - www.FireBase.com.br

jr> i don't think that is the problem. Also FB1.5 had the same
jr> problem on the same server and then i installed 2.5