[jira] [Created] (HDDS-3924) Move away from proto serialization for RocksDB keys in Ozone

["Aravindan Vijayan (Jira)" <ji...@apache.org>]

Aravindan Vijayan created HDDS-3924:
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             Summary: Move away from proto serialization for RocksDB keys in Ozone
                 Key: HDDS-3924
                 URL: https://issues.apache.org/jira/browse/HDDS-3924
             Project: Hadoop Distributed Data Store
          Issue Type: Task
          Components: Ozone Manager, SCM
            Reporter: Aravindan Vijayan
            Assignee: Aravindan Vijayan
             Fix For: 0.6.0


Currently there are a few places where we rely on protobuf serialization to convert the key type to byte array for a RocksDB column family 'key'. However, from the proto [documentation|https://developers.google.com/protocol-buffers/docs/encoding#implications] it looks like the serialization of proto is unreliable (especially across versions). If the byte[] got from proto serialization changes, this will be a problem since old keys will be unreadable.

Thanks to [~arp] who helped unearth this problem.



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