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AW: Compressed Pristines (Design Doc)

From: Markus Schaber <m.schaber_at_3s-software.com>
Date: Fri, 23 Mar 2012 15:44:46 +0000

Hi, Erik,

Von: Erik Huelsmann [mailto:ehuels_at_gmail.com]
> To substantiate that claim, I took the pristines directory from my Subversion working copy and did some experimenting. See results  below:

> $ ls -ls uncompressed-pristines/*/*.svn-base | awk '{ tot += $1; } END { print "total size " tot; }'
total size: 188724

> $ cp -Rp uncompressed-pristines/ compressed-pristines
> $ gzip compressed-pristines/*/*.svn-base
> $ ls -ls compressed-pristines/*/*.svn-base.gz | awk '{ tot += $1; } END { print "total size " tot; }'
total size: 52320

> $ cat compressed-pristines/*/*.svn-base.gz > combined-compressed-file

Are you sure you should not combine the uncompressed pristines, and compress them afterwards? AFAICS, one of the points of the proposal is to profit from the inter-file redundancies.

Mit freundlichen Grüßen

Markus Schaber

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Received on 2012-03-23 16:45:27 CET

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