Allan,

> Server example as a snapshot today with 12 simultaneous connections:
> Task Manager:
> Mem Usage: 114,528K
> Peak Mem Usage: 185,344K
> VM Size: 159,816K
>
> isc_database_info() returns
> CurrentMemory: 68,881K
> MaxMemory: 116,125K
>
> New connections add another approx 2Mb of RAM usage and when they
> disconnect the ram drops back - I can reliably observe the recovery in ram
> usage.
>
> I am trying to find why over the last couple of days I have experienced
> (twice) a case of an exception (cannot allocate memory from OS) where the
> server MemUsage in Task manager was reporting over 1Gb of ram and
> connections were being refused.

What value were you looking at to see that 1GB of RAM was free?

How much physical RAM is in the server?

What OS is the server running?


Sean