From: Maila Fatticcioni <mfatticcioni@mbigroup.it>
To: Evgeniy Shishkin <itparanoia@gmail.com>
To: Andrea Suisani <sickpig@opinioni.net>
Cc: pgsql-performance@postgresql.org
Subject: Re: Tuning the configuration
Date: Thu, 11 Dec 2014 13:48:09 +0100
Message-ID: <54899289.40307@mbigroup.it> (raw)
In-Reply-To: <6B084BAC-82C6-410A-88D4-9CDC01DA8C09@gmail.com>
References: <548823F8.4070003@mbigroup.it>
<548987D7.7040304@opinioni.net>
<6B084BAC-82C6-410A-88D4-9CDC01DA8C09@gmail.com>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-performance>
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 12/11/2014 01:11 PM, Evgeniy Shishkin wrote:
>
>> On 11 Dec 2014, at 15:02, Andrea Suisani <sickpig@opinioni.net>
>> wrote:
>>
>> On 12/10/2014 11:44 AM, Maila Fatticcioni wrote:
>>> 2- I would like to use the two SDD to store the wal file. Do
>>> you think it is useful or how should I use them?
>>
>> I definitely would give it a try.
>>
>
>
> I don't understand the logic behind using drives, which are best
> for random io, for sequent io workloads.
>
> Better use 10k sas with BBU raid for wal, money wise.
>
>
>
Would you mind to explain me better why you do suggest me to use the
sas raid for wal please?
Thanks,
M.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
iEYEARECAAYFAlSJkokACgkQi2q3wPb3FcOOZQCgrhy3sOP3Jds1eGlPqjSW+GhM
xFIAn3YbZgEFAlwTC+SX7GG2My0pElys
=Bsn7
-----END PGP SIGNATURE-----
--
Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance
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: mfatticcioni@mbigroup.it, itparanoia@gmail.com, sickpig@opinioni.net
Subject: Re: Tuning the configuration
In-Reply-To: <54899289.40307@mbigroup.it>
* 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