Richard,

> We have a reproducible problem where the FB server hangs when we try
> to hammer on it with about 10 threads running queries simultaneously.
> The hang seems to happen in the middle of a connect.
>
> What sort of diagnostic output can we generate to try to narrow this
> down?

Let's start with details of the Firebird and server config:
- Classic or SuperServer?
- Server details (CPU, RAM, HDD)
- Database size
- size of query result


Sean