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Joey Hess 2018-03-09 12:57:23 -04:00
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doc/todo/accellerate_ssh_remotes_with_git-annex-shell_mass_protocol.mdwn
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@ -44,3 +44,20 @@ Implementation todos:
and it moves between networks? and it moves between networks?
* If it's unable to ssh to a host to run p2pstdio, it will fall back to the * If it's unable to ssh to a host to run p2pstdio, it will fall back to the
old method. What if the host is down, does this double the timeout? old method. What if the host is down, does this double the timeout?
----
Benchmarks
Dropping 200 files from a remote over a satellite internet connection,
speed increased from 364s to 183s.
Dropping 1000 files from a remote over ssh to localhost, with -J4,
speed increased from 20s to 6s. Without -J4, speed increased from 41s to
10s.
(By comparison, dropping 1000 files from a remote on the same filesystem
took 12s, so remote access over localhost seems faster now! Possibly
there's a little bit more concurrency when git-annex and git-annex-shell
are both running?)