Subject Re: [firebird-support] Clearing DB/OS Cache completely + See Plan before Query execution
Author Steve Wiser
If you are running classic on linux maybe you can kill the lock manager
process as well as the other firebird processes. Just a guess though, I
am not sure if it will work...

-steve

Tom Conlon wrote:
>
> Hi,
>
> Whilst testing some queries is there a way to clear the DB (and
> perhaps OS) cache *completely*.
>
> I've tried disconnecting from the database and restarting the service,
> but the first 'cold' run of certain queries still run quick - unless
> I completely reboot the machine.
>
> Also, is there a way of seeing the plan to be used *without* actually
> going onto to run the query against a large table?
>
> Thanks,
> Tom
>
>