Re: SELECT creates millions of temp files in a single directory

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: Peter <pmc(at)citylink(dot)dinoex(dot)sub(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: SELECT creates millions of temp files in a single directory
Date: 2022-04-23 22:55:59
Message-ID: 8019ae53-c90e-7ddc-3827-5d923a4bd8e2@aklaver.com
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On 4/23/22 15:40, Peter wrote:
> On Sat, Apr 23, 2022 at 05:13:41PM -0400, Tom Lane wrote:

> And btw, I probably lost-in-translation the relevant info about the
> running version:
>
> Name : postgresql12-server
> Version : 12.10
> Installed on : Mon Apr 4 04:13:18 2022 CEST
> Origin : databases/postgresql12-server
> Architecture : FreeBSD:13:amd64
>

> | Please see
> |
> | https://wiki.postgresql.org/wiki/Slow_Query_Questions
> |
> | for the sort of information we need to debug performance issues.
>
> It is not a performance issue, it is a design question: You inflict
> pain on my beloved ZFS, and as a lover I react. ;)

Be that as it may, the requested information is still needed.

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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