Re: concurrent IO in postgres?

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: wozniak(at)lanl(dot)gov
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: concurrent IO in postgres?
Date: 2010-12-23 18:24:43
Message-ID: AANLkTim_m4m-AJsPs0ZvC5zuiXgJpBYmkbJEabYtj2yg@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

On Thu, Dec 23, 2010 at 10:37 AM, Przemek Wozniak <wozniak(at)lanl(dot)gov> wrote:
> When testing the IO performance of ioSAN storage device from FusionIO
> (650GB MLC version) one of the things I tried is a set of IO intensive
> operations in Postgres: bulk data loads, updates, and queries calling
> for random IO. So far I cannot make Postgres take advantage of this

So, were you running a lot of these at once? Or just single threaded?

I get very good io concurrency with lots of parallel postgresql
connections on a 34 disk SAS setup with a battery backed controller.

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message John W Strange 2010-12-23 18:47:58 Re: concurrent IO in postgres?
Previous Message Przemek Wozniak 2010-12-23 17:37:53 concurrent IO in postgres?