Swaminathan Balachandran created HDDS-13906:
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Summary: Reduce Bootstrap Write lock time on OM during
bootstrapping execution
Key: HDDS-13906
URL: https://issues.apache.org/jira/browse/HDDS-13906
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Swaminathan Balachandran
Because of fixes in HDDS-13905 an entire BG service task would be blocked
because of bootstrap operation running on a leader OM. One possible improvement
here would be to just to create a hardlink(which we already do to ensure this
file doesn't get deleted by rocksdb operations but we also write the file into
the Tarball stream synchronously
https://github.com/apache/ozone/blob/96390ac142725195315906400a633f316c899702/hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/Archiver.java#L135-L155)
to the file to be copied into tar outputStream into a tmp directory under the
bootstrap lock and write all the entries corresponding to the link created
outside the lock(The entry should also include the hardLinkFile created in the
last batch).
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