Robert,

> The weird thing is that while the system is slow and the HDD shows at around
> 100% use in resource monitor, the actually data throughput is about 1 ro 5MB a
> sec. This is can be much higher when the system runs normally. This made me
> think the HDD might be faulty but all indications are that its not (according to a
> hardware technician) and of course the problem fixes itself when stopping
> Firebird.
>
> System is
> i7 quad core (8 cores in Windows)
> 10 GB Ram
> Windows 7 64bit
> 16GB free hdd space
>
> Firebird 2.5.2 64bit
> DB size is 2.7 GB

Have you check the database sweep setting of the database?

If the engine is running a sweep, the task manager/resource manager would show that usage profile.


Sean