Ethan Rose created HDDS-12593:
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Summary: Create datanode API to verify the existence of groups of
blocks
Key: HDDS-12593
URL: https://issues.apache.org/jira/browse/HDDS-12593
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Ethan Rose
In order to implement the block metadata existence check for replicas, we could
use existing datanode APIs like {{listBlock}} or {{getBlock}}, but these are
not optimal for the use case. It would be more efficient to add a new datanode
API that takes a list of blocks from any container, and returns one result
indicating whether each block and/or container is present on that node. This
would allow the check to batch calls to datanodes for faster processing, and
reduce the amount of unused metadata transmitted.
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