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Re: [PATCH] savedir: optionally produce ordered directory list
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From: |
Ludovic Courtès |
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Subject: |
Re: [PATCH] savedir: optionally produce ordered directory list |
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Date: |
Thu, 13 Feb 2014 14:28:53 +0100 |
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User-agent: |
Gnus/5.130007 (Ma Gnus v0.7) Emacs/24.3 (gnu/linux) |
Hi,
Sergey Poznyakoff <address@hidden> skribis:
> According to [1], using directory lists ordered by inode can speed up
> tar archivation by up to 40% on ext[34] filesystems (confirmed by my own
> measurements). Please take a look at the attached patch. Is it OK
> to apply?
FWIW I think it’s very important that tar --sort=name remains the
default, as it guarantees that archive production is deterministic.
That’s definitely one of the important things for people working on
deterministic builds (Debian, GNU Guix, NixOS, etc.)
Ludo’.