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Date: Thu, 17 Dec 2020 19:43:04 +0100
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Subject: Re: Rsync + SSH slow speed
To: cygwin AT cygwin DOT com
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From: Luis Gonzalez via Cygwin <cygwin AT cygwin DOT com>
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I have tried new things.
I have copied deltaCopy into cygwin64 directory
when i made the rsync command i use the rsync from deltacopy
(--rsync-path=/DeltaCopy/rsync.exe )
/usr/bin/rsync -rlptDvh  --partial --del --progress -s --ignore-errors
--rsync-path=/DeltaCopy/rsync.exe  -og --timeout=500
--include-from=/scripts/clients/pattern.txt
--rsh='ssh -p 2230  -o CheckHostIP=no  -o Compression=no '
Administrator AT host:/cygdrive/ /dst/client/

with this configuration the speed goes to 30MBps  :-OOOOOO
i supposed that this version of rsync is optimized for speed.
best regards

El vie, 11 dic 2020 a las 11:59, Luis Gonzalez
(<luis DOT gonzalez AT gmail DOT com>) escribió:
>
> Hi to everybody,
> i have several windows server in different location with the  latest
> version of cygwin with open ssh and rsync installed openssh 8.4p1-2
> rsync  3.2.4dev
> i'm trying to rsync from centos with rsync 3.2.3
> The problem is that if i use rsync
> /usr/bin/rsync -rlptDvh  --partial --del --progress -s --ignore-errors
>   -og --timeout=500 --include-from=/scripts/clients/pattern.txt
> --rsh='ssh -p 2230  -o CheckHostIP=no  -o Compression=no '
> Administrator AT host:/cygdrive/ /dst/client/
>
> speed is only above 2.0MBps. CPu is over 5%, hard disk is about 1% and
> network speed is about 2%
> if i made the same rsync over linux machine on the same location speed
> is up to 60MBps(network speed on both sides is 600Mbps)
>
> i've tried to install rsync as a service on windows machine and use
> ssh as a tcp fordwarding and then the rsync speed is over 20MBps :-O
>
> Do you know what is the config problem for this slow speed with rsync
> directly over ssh?
> best regards
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