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Re: question about parallelism in cp command
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From: |
L A Walsh |
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Subject: |
Re: question about parallelism in cp command |
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Date: |
Fri, 28 Jun 2019 04:15:22 -0700 |
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User-agent: |
Thunderbird |
On 2019/06/06 09:25, Marc Roos wrote:
>
> Hmmm without being a maintainer. I would say cp -r is most used on
> single disk, so one thread is using the maximum disk iops taking y time
> to copy.
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not exactly true, if the 1 disk as a 20 disk raid10.
You can target 10 areas at a time and get considerable benefit
if they are spread across multiple disks in the raid.