pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  

help / color / mirror / Atom feed
From: Andrew Dunstan <andrew@dunslane.net>
To: Jean-David Beyer <jeandavid8@verizon.net>
Cc: pgsql-performance@postgresql.org
Subject: Re: xfs perform a lot better than ext4 [WAS: Re: Two identical systems, radically different performance]
Date: Wed, 05 Dec 2012 12:00:56 -0500
Message-ID: <50BF7DC8.7040702@dunslane.net> (raw)
In-Reply-To: <50BF7B7C.9000204@verizon.net>
References: <CAFwQ8rcvw4mSoJ9q+ouONCeB9dg1T9gAUV5J27MpVZrehRHayQ@mail.gmail.com>
	<CAFwQ8rfm2AcuoFHDfBLA_hg7ffbsYNsrsaJPDqcOeGqaVW02OQ@mail.gmail.com>
	<CAFwQ8rcyCKcoeEn62_QHMRSmJM03ULERtW6_R=3TaO0twOEV9A@mail.gmail.com>
	<5076D433.7090605@opinioni.net>
	<CAGTBQpYGyq70q_S_dUngSwB7yLbbCxetnfXpaMC9LEr7zL6iWA@mail.gmail.com>
	<5076DA4E.80504@opinioni.net>
	<507BC8DE.9050109@opinioni.net>
	<50BF6980.3090800@opinioni.net>
	<50BF7B7C.9000204@verizon.net>
List-Unsubscribe:  <mailto:majordomo@postgresql.org?body=unsub%20pgsql-performance>


On 12/05/2012 11:51 AM, Jean-David Beyer wrote:
>>
>>
> I thought that postgreSQL did its own journalling, if that is the 
> proper term, so why not use an ext2 file system to lower overhead?


Postgres journalling will not save you from a corrupt file system.

cheers

andrew



-- 
Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance



view thread (9+ messages)  latest in thread

Message-ID: <50BF7DC8.7040702@dunslane.net>
Permalink:  ../50BF7DC8.7040702@dunslane.net/
Also on:    postgresql.org/message-id/50BF7DC8.7040702@dunslane.net

 · 

reply
Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: andrew@dunslane.net, jeandavid8@verizon.net
  Subject: Re: xfs perform a lot better than ext4 [WAS: Re: Two identical systems, radically different performance]
  In-Reply-To: <50BF7DC8.7040702@dunslane.net>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox