Re: slow query

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Sathish Nelson <satson(dot)csc17(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: slow query
Date: 2015-02-11 13:44:48
Message-ID: 2083.1423662288@sss.pgh.pa.us
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Sathish Nelson <satson(dot)csc17(at)gmail(dot)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

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  • slow query at 2015-02-11 06:41:27 from Sathish Nelson

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