I tried again using 1.7.0-52 (-54 is not working for me) my current
uname -a is
CYGWIN_NT-6.0-WOW64 SAGER9262 1.7.0(0.212/5/3) 2009-07-24 09:59 i686 Cygwin
I simplified things a bit this time by using scp instead of rsync, I
still see 100% cpu usage by ssh while sending data. An strace can be
found at http://serenity.kc8onw.net/strace.log or the compressed version
http://serenity.kc8onw.net/strace.log.tbz
Not being all that familiar with debugging at this level the only things
that stand out to me are the (relatively) long times spent when scp
calls peek_pipe and when ssh calls writev (if that is the correct
interpretation of the strace).
Any suggestions for further digging or anything about the trace that
seems odd?
Jonathan
On 6/26/2009 10:02 PM, Jonathan wrote:
I've noticed that most of the time when doing an rsync tranfser over ssh
from my laptop to my server both ssh and rsync will max out a processor
core each and the transfer rate, even on a gigabit LAN, is only about
250KB/s.
Other than the slow transfer rate and significant CPU usage rsync seems
to run correctly.
I tried to browse the strace output from a partial run but I don't know
enough to see anything obviously wrong in the strace output.
uname -a
CYGWIN_NT-6.0-WOW64 SAGER9262 1.7.0(0.210/5/3) 2009-06-18 12:51 i686 Cygwin
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