From: | Tomas Vondra <tomas(at)vondra(dot)me> |
---|---|
To: | Andrea Gelmini <andrea(dot)gelmini(at)gmail(dot)com>, Michael Harris <harmic(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: FileFallocate misbehaving on XFS |
Date: | 2024-12-09 10:14:22 |
Message-ID: | a13585e6-9fcf-49b6-aa52-587664fb7d02@vondra.me |
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Lists: | pgsql-hackers |
On 12/9/24 10:47, Andrea Gelmini wrote:
>
>
> Il Lun 9 Dic 2024, 10:19 Michael Harris <harmic(at)gmail(dot)com
> <mailto:harmic(at)gmail(dot)com>> ha scritto:
>
>
> Is this already being looked into?
>
>
> Funny, i guess it's the same reason I see randomly complain of WhatsApp
> web interface, on Chrome, since I switched to XFS. It says something
> like "no more space on disk" and logout, with more than 300GB available.
>
If I understand the fallocate issue correctly, it essentially ignores
the offset, so "fallocate -o 0 -l LENGTH" fails if
LENGTH + CURRENT_LENGTH > FREE_SPACE
But if you have 300GB available, that'd mean you have a file that's
close to that size already. But is that likely for WhatsApp?
> Anyway, just a stupid hint, I would try to write to XFS mailing list.
> There you can reach XFS maintainers of Red Hat and the usual historical
> developers, of course!!!
>
Yes, I think that's a better place to report this. I don't think we're
doing anything particularly weird / wrong with fallocate().
regards
--
Tomas Vondra
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