From: Ron <ronljohnsonjr@gmail.com>
To: pgsql-admin@lists.postgresql.org
Subject: Re: Postgres DB Slowness
Date: Thu, 22 Aug 2019 09:25:41 -0500
Message-ID: <9840f6c7-5644-1928-e224-b06ecd9297eb@gmail.com> (raw)
In-Reply-To: <2A91BEF8171A5349931391E0C721CC5359E73FC3@CPEMS-KPN301.KPNCNL.LOCAL>
References: <2A91BEF8171A5349931391E0C721CC5359E73FC3@CPEMS-KPN301.KPNCNL.LOCAL>
On 8/22/19 9:04 AM, soumik.bhattacharjee@kpn.com wrote:
>
> Hello Members,
>
> We have the below PostgreSQL database recently migrated from Oracle.
>
> The postgres DB parameters are *_attached_* here.
>
> # DB Version: 10
>
> # OS Type: Linux
>
> # Total Memory (RAM): 30 GB
>
> #CPU
>
> nproc --all
>
> 2
>
> There is huge slowness in the database now with any queries.
>
> *Oracle*- Select * from TABLENAME- in takes 0.009 milliseconds
>
> *PostgreSQL*- Same query takes more than 2 minutes.
>
Have you validated that the Postgres server has the same indexes?
If so, did you ANALYZE all the tables?
--
Angular momentum makes the world go 'round.
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To: pgsql-admin@postgresql.org
Cc: ronljohnsonjr@gmail.com, pgsql-admin@lists.postgresql.org
Subject: Re: Postgres DB Slowness
In-Reply-To: <9840f6c7-5644-1928-e224-b06ecd9297eb@gmail.com>
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