Re: Very slow record-retrieval through cursor

> I noticed a phenomena that, if I stop the program during the
> initializaiton and start it again,
> it will be very fast before it reaches where it's stopped last time.
> After that, the db read becomes
> slow again.

> If I clean the evironment (just delete those __db* files), the db read
> becomes slow very quickly.

I think this is because of the operating system's cache, because there
is no I/O during this "fast" period. I think it has no relation with
the environment after a few times of tests.