Re: autovacuum recommendations for Large tables

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Atul Kumar <akumar14871(at)gmail(dot)com>
Cc: Olivier Gautherot <ogautherot(at)gautherot(dot)net>, pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: autovacuum recommendations for Large tables
Date: 2020-11-16 23:04:57
Message-ID: CAKFQuwYWLB82jh8ZLq91E4w_YLH8=-HBon0R8kUSjw34D4=AUA@mail.gmail.com
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On Mon, Nov 16, 2020 at 3:57 PM Atul Kumar <akumar14871(at)gmail(dot)com> wrote:

> I only have this one big table in the database of size 3113 GB with rows
> 7661353111.
>
> Right Now the autovacuum setting for that table is set to
>
> {autovacuum_enabled=true,autovacuum_vacuum_scale_factor=0.2,autovacuum_analyze_scale_factor=0.2}
>
>>
>>>
auto-vacuum doesn't care directly about absolute size, it cares about
change (relative to absolute size in many cases, hence the scale factors).

David J.

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