Re: concurrent IO in postgres? - Mailing list pgsql-performance

From Scott Marlowe
Subject Re: concurrent IO in postgres?
Date
Msg-id AANLkTim_m4m-AJsPs0ZvC5zuiXgJpBYmkbJEabYtj2yg@mail.gmail.com
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In response to concurrent IO in postgres?  (Przemek Wozniak <wozniak@lanl.gov>)
Responses Re: concurrent IO in postgres?
List pgsql-performance
On Thu, Dec 23, 2010 at 10:37 AM, Przemek Wozniak <wozniak@lanl.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.

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