From: Tom Lane <tgl@sss.pgh.pa.us>
To: Sathish Nelson <satson.csc17@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: slow query
Date: Wed, 11 Feb 2015 08:44:48 -0500
Message-ID: <2083.1423662288@sss.pgh.pa.us> (raw)
In-Reply-To: <CAK8rqQkfSERoLDGtC_0=rOLDkOyONU3g=uKEg5xXPqKyqDPZog@mail.gmail.com>
References: <CAK8rqQkfSERoLDGtC_0=rOLDkOyONU3g=uKEg5xXPqKyqDPZog@mail.gmail.com>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-performance>
Sathish Nelson <satson.csc17@gmail.com> writes:
> am connecting three tables in query. one table have 73000 records
> another two tables have 138000 records.
> but its take 12 sec for show 12402 rows in tables
Increasing work_mem would make those sort steps faster ...
regards, tom lane
--
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: tgl@sss.pgh.pa.us, satson.csc17@gmail.com
Subject: Re: slow query
In-Reply-To: <2083.1423662288@sss.pgh.pa.us>
* 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