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List:       gentoo-dev
Subject:    Re: [gentoo-dev] systems-246 changes tmpfs default size from 50% to 10% of RAM
From:       Brian Evans <grknight () gentoo ! org>
Date:       2020-07-29 1:10:42
Message-ID: 4e50980a-ab87-d04b-3399-b13e750b2eca () gentoo ! org
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On 7/28/20 2:50 PM, Zoltan Puskas wrote:
> Hi,
> 
> I've upgraded to and running systemd-246_rc2 on one of my systems and
> noticed that tmpfs mounted directories are significantly smaller.
> 
> This is because with commit
> https://github.com/systemd/systemd/commit/7d85383edbab73274dc81cc888d884bb01070bc2
> they have changed them to be 10% of the physical memory instead of the
> default of 50%.
> 
> This is a potentially breaking, or at least an unexpected behaviour
> change, especially for people using tmpfs on /tmp for compiling.

This could also affect any Gentoo admin running a MySQL/MariaDB database
with the default settings as it will sometimes write temporary tables to
${EPREFIX}/tmp.

Brian


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