Re: Performance hit if I create multiple DBs on same instance

From: Ron <ronljohnsonjr(at)gmail(dot)com>
To: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: Performance hit if I create multiple DBs on same instance
Date: 2020-11-24 17:34:42
Message-ID: 81211276-b0d3-305b-6fcb-4682af73b5f4@gmail.com
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On 11/24/20 8:36 AM, David Gauthier wrote:
> Hi:
>
> 11.3 on linux
>
> I've come up with a plan to archive data from my main DB which involves
> creating other DBs on the same server.  But even though there will be zero
> activity on the archive DBs in terms of insert/update/delete, and almost
> no activity in terms of select, I'm still worried that the mere existence
> of these other DBs will steal resources away from the instance and degrade
> performance in my main DB.

*Why?*  If the data is just sitting there like a dead lump, it's not using
any RAM or CPU cycles... And if you're afraid of autovacuum and autoanalyze
stealing resources, then disable them (at the table level).

--
Angular momentum makes the world go 'round.

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