[jira] [Created] (HDDS-3081) Should replication manager detect and correct containers which don't meet the replication policy

["Stephen O'Donnell (Jira)" <ji...@apache.org>]

Stephen O'Donnell created HDDS-3081:
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             Summary: Should replication manager detect and correct containers which don't meet the replication policy
                 Key: HDDS-3081
                 URL: https://issues.apache.org/jira/browse/HDDS-3081
             Project: Hadoop Distributed Data Store
          Issue Type: Sub-task
          Components: SCM
    Affects Versions: 0.6.0
            Reporter: Stephen O'Donnell


In the current implementation, replication manager does not consider the container placement when checking if a container is healthy. Only the number of replicas are checked.

Now we have network topology available, we should consider whether replication manager should detect and correct mis-replicated containers.

In HDFS, the namenode will not automatically correct mis-replicated containers automatically, except at startup when all blocks are checked.



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