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TortoisePlink performance

From: Steve Borho <steve_at_borho.org>
Date: Sun, 4 Apr 2010 12:28:34 -0500

Hello,

The TortoiseHg project has been using your TortoisePlink application
as our default ssh transport for a couple of years. A while ago some
performance problems [1] were raised with it and just recently I had
the opportunity to investigate in more detail. I compared a clone[2]
operation using several tools and configurations, and this is what I
found (apologies for ascii table art):

openssh -C: 0:30
openssh: 1:10
Plink: 1:20
paramiko: 2:00
TortoisePlink: 4:00

I built Plink and TortoisePlink myself to get the tip version of each.
 The clone time for both Plink and TortoisePlink was unchanged when
using the -C compression option. I suspect the compression was only
being used for upstream direction, but that's speculation on my part.

The executive summary is there seems to be a lot to gain from pulling
the tip of Plink into TortoisePlink.

--
Steve Borho
[1] http://bitbucket.org/tortoisehg/stable/issue/139/very-poor-performance-using-tortoiseplinkexe-even-with
[2] clone is a mercurial command for replicating a repository
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Received on 2010-04-04 19:29:13 CEST

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