"Kevin Grittner" <Kevin.Grittner@wicourts.gov> writes:
> Oh, well, if you load all the data into Java's heap and are accessing
> it through HashMap or similar, I guess a factor of 100 is about right.
> I see the big difference as the fact that the Java implementation is
> dealing with everything already set up in RAM, versus needing to deal
> with a "disk image" format, even if it is cached.
Eliminating interprocess communication overhead might have something
to do with it, too ...
regards, tom lane