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RE: Benchmarks for PUT for various fsfs config settings.

From: Markus Schaber <m.schaber_at_codesys.com>
Date: Tue, 1 Aug 2017 13:08:12 +0000

Hi, Paul,

Just out of curiosity: Do you have benchmarks when just a few bytes of the binary files change (this could e. G. reflect a JPEG EXIF data edit, or tagging MP3 files with author and title)?

Best regards

Markus Schaber

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From: Paul Hammant [mailto:paul_at_hammant.org]
Sent: Tuesday, August 01, 2017 9:05 AM
To: Subversion Development
Subject: Benchmarks for PUT for various fsfs config settings.

Chart:

    http://imgur.com/cKe2l4J

In Python I made two 128GB random files, then uploaded them alternately six ties three each to the same endpoint in Svn over DAV. That would be a run. After wiping the server repo and repeating that, I performed four runs all in all. For each datapoint, I took the quickest time.

Settings that were part of the benchmark, compression off (0) versus compression as default. delticication off versus default, and rep-sharing on versus off.

Conclusion for my intended Svn use (biiig binary files):

1. compression off
2. deltification off
3. all else default

- Paul
Received on 2017-08-01 15:08:32 CEST

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