:: One possibility is that your "couple thousand things a day"
:: are all being executed by way of a single Autocommit

Almost everything is in an explicit transaction. The only thing that isnt,
are selects.

:: Except for bad UDFs, that is the *most* common cause of
:: server crashes when the application is written in Delphi.

Its C# using the FB.NET provider.

:: service is what the server is expected to do. I posted your
:: previous message to firebird-devel, since it would be handy
:: to get some overflow scenarios.

Thanks.