dhaval jaiswal wrote:
> I did check and found it was the bloated size of pg_class which was slowing down the performance.
>
> It got fixed by adding in routine maintenance task. Things are fine now.
Good to know.
> However, I want to know how come pg_class (system table) get bloated/affected.
>
> What could be the possible ways, where i can look into.
The most common cause is high traffic temp table usage.
> Due to business impact auto vacuum is off.
Yeah, that's a really bad idea and you should turn it on and configure
it so that it doesn't impact business. Having it turned off is
definitely not recommended.
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Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
