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From: Michael Torrie <torriem@gmail.com>
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Subject: Re: creating zipfile with symlinks
Date: Fri, 4 Mar 2016 21:45:28 -0700
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Xref: csiph.com comp.lang.python:104079

On 03/04/2016 05:18 AM, Larry Martell wrote:
> Unfortunately very slow - around 8 minutes to zip a 7GB dir using the
> command line zip vs. 13 seconds with the python zipfile module.

And likely Python's zipfile is just giving up and storing the file
without compression.  What does unzip -v say about the compression on
the zip file you made with zipfile.