> In Firebird 2.5 there is config paramter to control this but it's still
> RC.
> In 2.1 I can either:
> 1. switch to classic
> 2. disable filesystemcache
> What are the experiences with disabling filesystemcache, pros and cons?

Switching to Classic won't help -- it is Windows x64 giving you the problems, not Firebird.

Have a look at the CacheSet utility from SysInternals http://technet.microsoft.com/en-us/sysinternals/bb897561.aspx


Sean