Re: Re: patch: fix performance problems with repated decomprimation of varlena values in plpgsql

Kevin Grittner <kevin.grittner@wicourts.gov>

From: "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
To: "Robert Haas" <robertmhaas@gmail.com>, "Tom Lane" <tgl@sss.pgh.pa.us>
Cc: "Pavel Stehule" <pavel.stehule@gmail.com>, "Noah Misch" <noah@leadboat.com>, "PostgreSQL Hackers" <pgsql-hackers@postgresql.org>
Date: 2011-01-19T21:00:24Z
Lists: pgsql-hackers
Tom Lane <tgl@sss.pgh.pa.us> wrote:
 
> If we could solve the refcounting problem I think this would be a
> very significant win.
 
Instead of trying to keep a refcount, how about just evicting from
the buffer as needed based on LRU?
 
-Kevin