Re: tmpfs and postgres memory

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Anj Adu <fotographs(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: tmpfs and postgres memory
Date: 2010-04-28 00:56:56
Message-ID: o2j603c8f071004271756l5be15855h52eb08bfe44ef206@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

On Mon, Apr 26, 2010 at 7:24 PM, Anj Adu <fotographs(at)gmail(dot)com> wrote:
> I have a 16G box and tmpfs is configured to use 8G for tmpfs .
>
> Is a lot of memory being wasted that can be used for Postgres ? (I am
> not seeing any performance issues, but I am not clear how Linux uses
> the tmpfs and how Postgres would be affected by the reduction in
> memory)

What does the output of "free -m" look like when the database is as
heavily used as it typically gets?

...Robert

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Cédric Villemain 2010-04-28 07:49:05 Re: Optimization idea
Previous Message Robert Haas 2010-04-28 00:55:11 Re: autovacuum strategy / parameters