From: Justin Pryzby <pryzby@telsasoft.com>
To: Vishwa Kalyankar <vishwakalyankar8@gmail.com>
Cc: pgsql-performance@lists.postgresql.org
Subject: Re: Same query taking less time in low configuration machine
Date: Thu, 16 Jul 2020 11:04:23 -0500
Message-ID: <20200716160423.GL23581@telsasoft.com> (raw)
In-Reply-To: <CAFWaVn3=DO-_Q3vO30XB49hq+Cx=cgVU1A+qJtkdswvbjt=_WA@mail.gmail.com>
References: <CAFWaVn3=DO-_Q3vO30XB49hq+Cx=cgVU1A+qJtkdswvbjt=_WA@mail.gmail.com>
On Thu, Jul 16, 2020 at 09:13:45PM +0530, Vishwa Kalyankar wrote:
> Hi,
>
> I have two machines - one with 8GB RAM & 4core CPU and the other with 64GB
> Ram & 24 core CPU. Both machines have the same DB (Postgres 12 + Postgis
> 2.5.3). Same query is taking less time in low end machine whereas more
> time in high end machine. Any thoughts on where to look? I have tuned the
When you say "the same DB" what do you mean ?
Is one a pg_dump and restore of the other ?
Or a physical copy like rsync/tar of the data dir ?
> Please find the attachment for query explain & analyze and bonnie result
> of both the machines.
Are the DB settings the ame or how do they differ ?
Maybe you could send explain(analyze,buffers,timing,settings) ?
https://wiki.postgresql.org/wiki/Slow_Query_Questions
--
Justin
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To: pgsql-performance@postgresql.org
Cc: pryzby@telsasoft.com, vishwakalyankar8@gmail.com, pgsql-performance@lists.postgresql.org
Subject: Re: Same query taking less time in low configuration machine
In-Reply-To: <20200716160423.GL23581@telsasoft.com>
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