From: Torsten Förtsch <torsten.foertsch@gmx.net>
To: Sathish Nelson <satson.csc17@gmail.com>
To: pgsql-performance@postgresql.org
Subject: Re: slow query
Date: Wed, 11 Feb 2015 14:33:05 +0100
Message-ID: <54DB5A11.3030700@gmx.net> (raw)
In-Reply-To: <CAK8rqQkfSERoLDGtC_0=rOLDkOyONU3g=uKEg5xXPqKyqDPZog@mail.gmail.com>
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On 11/02/15 07:41, Sathish Nelson wrote:
> 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
you need more work_mem. The query plan shows multiple external sort nodes.
Otherwise, the query and the plan I received here are too badly
formatted for me to comprehend.
Torsten
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To: pgsql-performance@postgresql.org
Cc: torsten.foertsch@gmx.net, satson.csc17@gmail.com
Subject: Re: slow query
In-Reply-To: <54DB5A11.3030700@gmx.net>
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