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Message-ID: <1530168921.2415.13.camel@cybertec.at>
Subject: Re: Bug in PostgreSQL
From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Rambabu V <ram.wissen@gmail.com>, pgsql-performance@postgresql.org
Date: Thu, 28 Jun 2018 08:55:21 +0200
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Rambabu V wrote:
> While taking pgdump we are getting error message cache lookup failed for function 7418447.
> While trying select * from pg_proc where oid=7418447 returns zero rows. Please help us on this. 

That means that some catalog data are corrupted.

If possible, restore from a backup.

Did you experiences any crashes recently?  Is your storage reliable?

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com