Francesco Mari created OAK-4596:
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Summary: The segment info record allows empty segments to be leaked
Key: OAK-4596
URL: https://issues.apache.org/jira/browse/OAK-4596
Project: Jackrabbit Oak
Issue Type: Bug
Components: segment-tar
Reporter: Francesco Mari
Assignee: Francesco Mari
Fix For: Segment Tar 0.0.8
The flush thread writes to disk dirty segment buffers every 5 seconds. A
segment buffer is defined to be dirty if the amount of record bytes it contains
is greater than zero. Since we always write an info record in every segment at
the moment they are created, no segment buffer is ever empty. This means that
the flush thread writes to disk almost empty segments every 5 seconds, that
waste an additional amount of space because of the padding required by the TAR
format.
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