[jira] [Created] (HDDS-2848) Verify OM HA works as expected with Recon.

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

Aravindan Vijayan created HDDS-2848:
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             Summary: Verify OM HA works as expected with Recon.
                 Key: HDDS-2848
                 URL: https://issues.apache.org/jira/browse/HDDS-2848
             Project: Hadoop Distributed Data Store
          Issue Type: Sub-task
          Components: Ozone Recon
            Reporter: Aravindan Vijayan


Since Recon already uses the OzoneManagerClientProtocol to query the OzoneManager, on an OM HAcluster, the RPC client automatically routes the request to the leader. Recon only needs the updates from the OM RocksDB store, and does not need the in flight updates in the OM DoubleBuffer. Due to the guarantee from Ratis that the leader’s RocksDB will always be up to date, Recon does not need to worry about going back in time when a current OM leader goes down.  In this version of Recon, the plan is to test out OM HA scenarios and add unit/integration tests to verify correct behavior



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