Hi and thanks Dimitry,

> RJ> When monitoring the system via the Windows PerformanceCounters i
> RJ> see writes to the database. In my test environment when having
> RJ> around 400 Readonly Transactions per second (and nothing else) it
> RJ> sums up to around 2.5MB per second.

> start and commit/rollback of any transaction will write at least
> header page and transaction inventory page (s). The exception is
> read-only database.

I assume the transaction inventory page(s) gets written multiple times for a transaction?
Something like setting active, setting commit/rollback, deleting from page?

Regards
Ralf