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Merge pull request #3570 from facebook/rsync_doc

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[easy] minor doc update for --rsyncable
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Yann Collet
2023-03-27 09:07:13 -07:00
committed by GitHub
parent 167157dd74 35c0c2075e
commit 7306832e8a
1 changed files with 4 additions and 3 deletions
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programs/zstd.1.md
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@@ -177,9 +177,10 @@ the last one takes effect.
(i.e. 4096), and by setting a large `--zstd=chainLog=`. (i.e. 4096), and by setting a large `--zstd=chainLog=`.
* `--rsyncable`: * `--rsyncable`:
`zstd` will periodically synchronize the compression state to make the `zstd` will periodically synchronize the compression state to make the
compressed file more rsync-friendly. There is a negligible impact to compressed file more rsync-friendly.
compression ratio, and the faster compression levels will see a small There is a negligible impact to compression ratio,
compression speed hit. and a potential impact to compression speed, perceptible at higher speeds,
for example when combining `--rsyncable` with many parallel worker threads.
This feature does not work with `--single-thread`. You probably don't want This feature does not work with `--single-thread`. You probably don't want
to use it with long range mode, since it will decrease the effectiveness of to use it with long range mode, since it will decrease the effectiveness of
the synchronization points, but your mileage may vary. the synchronization points, but your mileage may vary.