Zita Dombi created HDDS-15641:
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Summary: SCM should send write pipeline version with
DatanodeDetails on block allocation
Key: HDDS-15641
URL: https://issues.apache.org/jira/browse/HDDS-15641
Project: Apache Ozone
Issue Type: Improvement
Reporter: Zita Dombi
Assignee: Zita Dombi
Instead of forwarding the Datanode's software version like it does currently,
SCM should forward the apparent version to use for writes based on the
cluster's finalization status. The DatanodeDetails object currently has two
version fields: currentVersion tracks the Datanode's software version, and
initialVersion tracks the software version it was first initialized with. We
will need to decide whether we should repopulate currentVersion with the
pipeline version at SCM before giving the datanodeDetails to the client, or if
we should create a new field for pipeline version. Note that old clients will
be deserializing the currentVersion field from the proto to use for server side
versioning checks already.
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