DO NOT REPLY [Bug 5801] Speed up delta-transfer of zeros in new files with --sparse

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=5801





------- Comment #3 from matt at mattmccutchen.net  2009-11-21 00:00 CST -------
Fedora has a similar RFE:

https://bugzilla.redhat.com/show_bug.cgi?id=525545

There, the further suggestion is made that the receiver should be able to skip
long runs of zeros without reconstructing them in memory.  A simple approach
would be to skip one delta-transfer block at a time.  Or, if the protocol is
changed (rather than just having the generator fabricate an all-zero block), it
would be easy to add a token representing a run of zeros of arbitrary length.


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