Re: Looking for some design inspiration

bob wrote:
> We at GemStone Systems have spent a great deal of time and effort to
> develop a system much like the one you describe, in which we map plain
> old Java objects (POJO) to pages that are then stored transparently in
> a disk file. Our virtual machine (an extention of the Sun VM)
> transparently handles the details of moving the objects from disk into
> a shared memory cache that is accessable to multiple VMs on the same
> machine, and then into the VM heap space.

 From a theory standpoint, it sounds like crap. Networks of object instances with lots of pointer chasing?

> We also implement a number of our own collection classes, but these are
> usually to help avoid using too much heap in the virtual machine... for
> example a ScalableHashMap in which the table size can be large
> (millions) but only a portion of the table needs to be in the Java heap
> at any instant in time.
>
> You can find more details about Facets persistent Java and a free
> download on our website at http://facetsodb.org.

Yippee. That's almost as exciting as cleaning up my dog's vomit after a round of chemotherapy. Received on Sat Aug 05 2006 - 02:16:46 CEST