Horton

Re: 2nd Level Buffer Cache

Josh Berkus <josh@agliodbs.com>

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From: Josh Berkus <josh@agliodbs.com>
To: Alvaro Herrera <alvherre@commandprompt.com>
Cc: pgsql-hackers@postgresql.org
Date: 2011-03-21T19:45:54Z
Lists: pgsql-hackers 
> 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