Hi,

> I am running 2.27.57 on Windows and sync up with a Linux directory via
> OpenSSH. It takes long time to scan for changes. Looks like it is
> reading every files to gather info. If I run unison on another linux
> machine to sync with the same linux directory, it is much faster. Is
> this normal? Is it because that some info for a file is not available
> directly in Windows NTFS and the file content has to be scanned? Any
> way to speed it up?

By default, Unison always scan the file contents during update
detection under Windows. You need to add the following line to your
profile if you want Unison to skip file content scanning for files
with unchanged modification time:

fastcheck = true

-- Jerome