From: | Vijaykumar Jain <vijaykumarjain(dot)github(at)gmail(dot)com> |
---|---|
To: | aditya desai <admad123(at)gmail(dot)com> |
Cc: | pgsql-sql <pgsql-sql(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Query out of memory |
Date: | 2021-10-18 16:48:23 |
Message-ID: | CAM+6J94jeTQeu4wmTuBwPA1YAp-aRQSVgT8_Niq=NrZ1YWY8fQ@mail.gmail.com |
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Thread: | |
Lists: | pgsql-performance pgsql-sql |
Work memory 2 GB ?
Is this intentional?
How many max active connections do you see?
if you have too many connections. You can try toning it down to
https://pgtune.leopard.in.ua/ to start with.
On Mon, Oct 18, 2021, 10:13 PM aditya desai <admad123(at)gmail(dot)com> wrote:
> Hi,
> I am running the below query. Table has 21 million records. I get an Out
> Of Memory error after a while.(from both pgadmin and psql). Can someone
> review DB parameters given below.
>
> select t.*,g.column,a.column from
> gk_staging g, transaction t,account a
> where
> g.accountcodeis not null AND
> g.accountcode::text <> '' AND
> length(g.accountcode)=13 AND
> g.closeid::text=t.transactionid::text AND
> subsrting(g.accountcode::text,8)=a.mask_code::text
>
> Below are system parameters.
> shared_buffers=3GB
> work_mem=2GB
> effective_cache_size=10GB
> maintenance_work_mem=1GB
> max_connections=250
>
> I am unable to paste explain plan here due to security concerns.
>
> Regards,
> Aditya.
>
>
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