Re: explosive WAL growth

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To: Karthik Yellapragada <karthik.yellapragada@xxxxxxxxx>
Subject: Re: explosive WAL growth
From: Scott Ribe <scott_ribe@xxxxxxxxxxxxxxxx>
Date: Tue, 27 Feb 2024 12:19:25 -0700
Cc: Alvaro Herrera <alvherre@xxxxxxxxxxxxxx>, Pgsql-admin <pgsql-admin@xxxxxxxxxxxxxxxxxxxx>
In-reply-to: <CACXtxt8X=UkJvdawDuaaOFmPeKQcNnzFgH7xuf=FYOvCstup3Q@mail.gmail.com>
References: <202402271822.t4vbqds7mjge@alvherre.pgsql> <1334AE42-2DBF-4DA5-8F7B-529013796F55@elevated-dev.com> <CACXtxt8X=UkJvdawDuaaOFmPeKQcNnzFgH7xuf=FYOvCstup3Q@mail.gmail.com>

> On Feb 27, 2024, at 11:58 AM, Karthik Yellapragada <karthik.yellapragada@xxxxxxxxx> wrote:
> 
> Just out of curiosity, what was the job doing?

Large batch upsert. But something is wrong for it to be generating WAL that quickly. Having identified it, now we can drill down to see what's wrong with it.

References:
- Re: explosive WAL growth
  - From: Alvaro Herrera
- Re: explosive WAL growth
  - From: Scott Ribe
- Re: explosive WAL growth
  - From: Karthik Yellapragada

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