> ---In firebird-support@yahoogroups.com, <trskopo@...> wrote :

>

> Hi guys,
>
> Am I correct that maximum allowed RAM for database cache on SS FB 3.0 in Win64 is only 2 GB?
> Calculated from max DefaultDbCachePages (131072) x max Page Size (16384) = 2 GB.

  No. This is limit for 32-bit builds (and it is the same as in v2.5, btw)
 

> Setting DefaultDbCachePages more than allowed caused a crashed.

  Reproducible example, please. I work with cache of 12GB with no issues for a few years since v2.5

> If this true, how to optimaze free RAM for performance?

  File system cache already used "free RAM", don't worry ;)

Regards,
Vlad