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Merge pull request #2846 from wzyboy/segment-filename

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Document consequences of changing the segments_per_dir value
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TW 2017-07-21 22:23:13 +02:00 committed by GitHub
commit c2f7e738ba
1 changed files with 6 additions and 3 deletions
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9
docs/internals/data-structures.rst
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@ -60,8 +60,8 @@ and looks like this::
[repository]
version = 1
segments_per_dir = 10000
max_segment_size = 5242880
segments_per_dir = 1000
max_segment_size = 524288000
id = 57d6c1d52ce76a836b532b0e42e677dec6af9fca3673db511279358828a21ed6
This is where the ``repository.id`` is stored. It is a unique
@ -88,7 +88,10 @@ Segments
~~~~~~~~
Objects referenced by a key are stored inline in files (`segments`) of approx.
500 MB size in numbered subdirectories of ``repo/data``.
500 MB size in numbered subdirectories of ``repo/data``. The number of segments
per directory is controlled by the value of ``segments_per_dir``. If you change
this value in a non-empty repository, you may also need to relocate the segment
files manually.
A segment starts with a magic number (``BORG_SEG`` as an eight byte ASCII string),
followed by a number of log entries. Each log entry consists of: