gianm opened a new pull request, #13394:
URL: https://github.com/apache/druid/pull/13394
Reduces disk usage and makes Historicals able to load segments
instantaneously.
Two changes:
1) Introduce "druid.storage.zip" parameter for local storage, which defaults
to false. This changes default behavior from writing an index.zip to
writing
a regular directory. This is safe to do even during a rolling update,
because
the older code actually already handled unzipped directories being present
on local deep storage.
2) In LocalDataSegmentPuller and LocalDataSegmentPusher, use hard links
instead of copies when possible. (Generally this is possible when the
source and destination directory are on the same filesystem.)
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