From: Mladen Gogala <mladen.gogala@vmsinfo.com>
To: Gael Le Mignot <gael@pilotsystems.net>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: Periodically slow inserts
Date: Thu, 21 Oct 2010 12:15:03 -0400
Message-ID: <4CC06707.8090809@vmsinfo.com> (raw)
In-Reply-To: <plop8762wvspfb.fsf@aoskar.kilobug.org>
References: <plop8762wvspfb.fsf@aoskar.kilobug.org>
Gael Le Mignot wrote:
> Hello,
>
> 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.
>
> The problem is when we index objects into the full-text search part of
> the database (which a DELETE and then an INSERT into a specific table),
> the INSERT sometimes take a long time (from 10s to 20s), but the same
> insert (and many other similar ones) are fast (below 0.2s).
>
Have you tried with strace, just to see where the time is spent?
--
Mladen Gogala
Sr. Oracle DBA
1500 Broadway
New York, NY 10036
(212) 329-5251
http://www.vmsinfo.com
The Leader in Integrated Media Intelligence Solutions
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To: pgsql-performance@postgresql.org
Cc: mladen.gogala@vmsinfo.com, gael@pilotsystems.net
Subject: Re: Periodically slow inserts
In-Reply-To: <4CC06707.8090809@vmsinfo.com>
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