GNU bug report logs - #24850
need your help！strange problem.shred sometimes slow sometimes normal.

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Package: coreutils;

Reported by: qq <276345114 <at> qq.com>

Date: Tue, 1 Nov 2016 15:39:02 UTC

Severity: normal

Done: Assaf Gordon <assafgordon <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Pádraig Brady <P <at> draigBrady.com>
To: qq <276345114 <at> qq.com>, 24850 <at> debbugs.gnu.org
Subject: bug#24850: need your help！strange problem.shred sometimes slow sometimes normal.
Date: Tue, 1 Nov 2016 15:55:59 +0000

On 01/11/16 06:30, qq wrote:
> 
> 
> [shred v8.20 sometimes takes 18min to shred 1G of /dev/sda,
>  but usually takes 20seconds, on my ironic minios container]

I'm not sure, but I suspect the issue is outside of shred.
Note shred >= 8.21 enables direct IO which bypasses a
lot of the system VM chicanery, and so may performance better for you.
This bug report was last modified 6 years and 207 days ago.

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