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Andrew Ruthwen reported that a small backup delta was very slow, and had these
performance stats:
2014-04-17 18:56:34 INFO Backup performance statistics:
2014-04-17 18:56:34 INFO * files found: 3643
2014-04-17 18:56:34 INFO * files backed up: 7
2014-04-17 18:56:34 INFO * uploaded chunk data: 18818 bytes (18 KiB)
2014-04-17 18:56:34 INFO * total uploaded data (incl. metadata): 3097917
bytes (2 MiB)
2014-04-17 18:56:34 INFO * total downloaded data (incl. metadata):
89711629838 bytes (83 GiB)
2014-04-17 18:56:34 INFO * transfer overhead: 89714708937 bytes (83 GiB)
2014-04-17 18:56:34 INFO * duration: 29275.9613361 s (8h7m56s)
2014-04-17 18:56:34 INFO * average speed: 0.642779917077 B/s
This is way too much downloaded data.
<http://listmaster.pepperfish.net/pipermail/obnam-support-obnam.org/2014-April/002979.html>
--liw
There's been some fixes to this, and Obnam is now much clearer about
the overhead. Also, most fixes are going into FORMAT GREEN ALBATROSS.
[[done]] --liw
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