>>1) We do monitor the transaction gab and if needed, we interact.
how often and how? By MON$ tables or you read header page?
>>2) We do run gbak daily. We do not use nbackup - we would like to and tried
>>it but it's corrupting the db.
and this slowdown is not in time of backup i suppose?
> 1) We have sweep set to 0. We do monitor the transaction gab and if
> needed, we interact. Any kind of automatic sweep under high load will kill
> the server :)
1- Do you run a manual sweep on a regular basis?
2- What is the CPU % like when Firebird "slows down"?
3- Have you tried using