inefficient: --checksum calculation shouldn't be done for new files

Jamie Lokier jamie at
Sun Jul 3 17:00:27 MDT 2011

Carlos Carvalho wrote:
> When --checksum is used they're calculated in both ends to see if the
> file should be transfered. This is of course not necessary if the file
> doesn't exist in the destination. However, the checksum is still
> calculated by the sender, which is often a very large overhead.
> Would it be possible to avoid it?

Doesn't the receiver use the checksum to verify it received the file
with no errors?

-- Jamie

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