Rsync / ssh high cpu load

Eberhard Moenkeberg emoenke at
Wed Feb 17 13:25:11 MST 2010


On Thu, 18 Feb 2010, Henri Shustak wrote:

>> Although there is a small version difference in the rsync versions, I would
>> say that this is caused by the cygwin layer.
> When using rsync over SSH you may find that the CPU load is substantial 
> depending upon multiple factors including but not limited to your 
> processor, disks and network.
> Hopefully, someone on the cygwin mailing list will be able to provide 
> further details. However, high CPU load for when using rsync over SSH is 
> not something that I would be overly surprised about.
> One possibility would be to nice the process.

This would not help if the high CPU load is a result of i/o wait.

Viele Gruesse
Eberhard Moenkeberg (emoenke at, em at

Eberhard Moenkeberg
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