Swaminathan Balachandran created HDDS-14015:
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Summary: Atomic Switch of Snapshot db after defrag should be done
under a SNAPSHOT_DB_LOCK
Key: HDDS-14015
URL: https://issues.apache.org/jira/browse/HDDS-14015
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Swaminathan Balachandran
Assignee: Swaminathan Balachandran
A snapshot handle present inside a snapshot cache can be reused. Once the
snapshot content lock is taken a rocksdb handle could be still present in the
snapshot cache and after the atomic switch the old db handle could still get
reused for writes thus missing potential writes on the newly switched db. Hence
while performing the move directory a snapshot cache lock should be acquired to
ensure the next db handle would always be from the new rocksdb handle.
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