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From: Leonardo Francalanci <m_lists@yahoo.it>
To: Gael Le Mignot <gael@pilotsystems.net>
To: pgsql-performance@postgresql.org
Subject: Re: Periodically slow inserts
Date: Thu, 21 Oct 2010 14:15:40 +0100 (BST)
Message-ID: <857928.20870.qm@web29002.mail.ird.yahoo.com> (raw)
In-Reply-To: <plop8762wvspfb.fsf@aoskar.kilobug.org>
References: <plop8762wvspfb.fsf@aoskar.kilobug.org>

 
> We are  using PostgreSQL for  storing data and  full-text  search indexes
> for the webiste of a daily newspaper. We are  very happy overall with the
> results, but we have one "weird" behaviour that  we would like to solve.


I think there's a lot of missing info worth knowing:

1) checkpoints logs? Enable them, maybe the "slowness" happens
at checkpoints:

log_checkpoints=true

2) How many rows does each table contain?

3) HW: how many discs you have, and which controller you're using (and:
does it use a BBU?)

The more you tell the list, the better help you'll get...


      



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