Re: 2nd Level Buffer Cache

> Was it really all that bad?  IIRC we replaced ARC with the current clock
> sweep due to patent concerns.  (Maybe there were performance concerns as
> well, I don't remember).

Yeah, that was why the patent was frustrating.  Performance was poor and
we were planning on replacing ARC in 8.2 anyway.  Instead we had to
backport it.

--                                  -- Josh Berkus                                    PostgreSQL Experts Inc.
                        http://www.pgexperts.com