Comment #2 on issue 2777 by vlad.rom...@gmail.com: rbssh is very slow
https://code.google.com/p/reviewboard/issues/detail?id=2777
Replace the contents of /usr/bin/rbssh with the following:
#!/bin/sh
EXTRA_OPTS="-o UserKnownHostsFile=$HOME/.ssh/known_hosts -o ForwardX11=no
-o LogLevel=ERROR"
# see https://en.wikibooks.org/wiki/OpenSSH/Cookbook/Multiplexing
EXTRA_OPTS="-o ControlPath=/tmp/master-%r@%h:%p -o ControlMaster=auto -o
ControlPersist=10m $EXTRA_OPTS"
for k in $HOME/.ssh/id_{dsa,rsa} ; do
test -e "$k" && EXTRA_OPTS="$EXTRA_OPTS -i $k"
done
exec /usr/bin/ssh $EXTRA_OPTS "$@"
Using native ssh was about 5x faster than the default Python rbssh
implementation. Moreover, using the connection multiplexing feature of ssh
further sped up things another 5x or so.
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