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bug#24850: need your help！strange problem.shred sometimes slow sometimes
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From: |
Pádraig Brady |
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Subject: |
bug#24850: need your help！strange problem.shred sometimes slow sometimes normal. |
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Date: |
Tue, 1 Nov 2016 15:55:59 +0000 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
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.