Re: patch for new feature: Buffer Cache Hibernation

From: Tatsuo Ishii <ishii(at)postgresql(dot)org>
To: robertmhaas(at)gmail(dot)com
Cc: greg(at)2ndquadrant(dot)com, pgsql-hackers(at)postgresql(dot)org
Subject: Re: patch for new feature: Buffer Cache Hibernation
Date: 2011-06-01 07:03:29
Message-ID: 20110601.160329.861326663923234988.t-ishii@sraoss.co.jp
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

> Yeah, I'm pretty well convinced this whole approach is a dead end.
> Priming the OS buffer cache seems way more useful. I also think
> saving the blocks to be read rather than the actual blocks makes a lot
> more sense.

Well, his proposal works on any platforms PostgreSQL supports. On the
other hand PgFincore works on Linux only. Who wants Linux only tool be
in core?

Also I really want to see the performance comparison between these two
approaches in the real world database.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Alexander Korotkov 2011-06-01 07:20:04 Re: pgsql: Protect GIST logic that assumes penalty values can't be negative
Previous Message Tatsuo Ishii 2011-06-01 06:30:44 Re: Any idea for serializing INSERTING SERIAL column?