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Re: Building cloud images on Debian infrastructure

On 2016-03-30 16:13:44 +0300 (+0300), Riku Voipio wrote:
> Is there a specific usecase for using tar as input, or is
> it to make image building faster?

At least one benefit: it's a convenient hack as a penultimate step
to ensure that blocks for the resulting image are composed as
contiguously as possible. Contiguousness has a significant impact on
compression (such as for qcow2 format).
Jeremy Stanley

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