From: John Wiencek <jwiencek3@comcast.net>
To: Ebin Jozer <ebinjozer@gmail.com>
Cc: pgsql-admin <pgsql-admin@lists.postgresql.org>
Subject: Re: need suggestion on querying big tables
Date: Mon, 5 Dec 2022 08:50:17 -0600
Message-ID: <74322C20-BFDD-484A-9566-1644480F8253@comcast.net> (raw)
In-Reply-To: <CAJuN1jj6NQDUjbMH=n4zry10JMJEZ8bRi=j6uA-3_108-Tq9cQ@mail.gmail.com>
References: <CAJuN1jj6NQDUjbMH=n4zry10JMJEZ8bRi=j6uA-3_108-Tq9cQ@mail.gmail.com>
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John
> On Dec 5, 2022, at 12:29 AM, Ebin Jozer <ebinjozer@gmail.com> wrote:
>
> Hi Team,
> in postgresql 11 version we have two tables of size 435 GB and 347 GB.
> if we query on single table or if we are doing inner join on both the big tables, it is not displacing any output, it keeps running
>
> We can see the wait event is IO and directDatafile .
>
> Server Spec : 8 cores and 64GB RAM
> PG config : 53 GB(effective_cache), 12 GB(shared buffer)
>
> can you please suggest some ideas , how we can query on big tables and fasten them to get the output??
>
> Thanks & Regards,
> Ebin
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To: pgsql-admin@postgresql.org
Cc: jwiencek3@comcast.net, ebinjozer@gmail.com, pgsql-admin@lists.postgresql.org
Subject: Re: need suggestion on querying big tables
In-Reply-To: <74322C20-BFDD-484A-9566-1644480F8253@comcast.net>
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