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Posted to hdfs-dev@hadoop.apache.org by "Aravindan Vijayan (Jira)" <ji...@apache.org> on 2019/11/20 04:42:00 UTC

[jira] [Created] (HDDS-2579) Ozone client should refresh pipeline info if reads from all Datanodes fail.

Aravindan Vijayan created HDDS-2579:
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             Summary: Ozone client should refresh pipeline info if reads from all Datanodes fail.
                 Key: HDDS-2579
                 URL: https://issues.apache.org/jira/browse/HDDS-2579
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: Ozone Client
            Reporter: Aravindan Vijayan
            Assignee: Aravindan Vijayan
             Fix For: 0.5.0


Currently, if the client reads from all Datanodes in the pipleine fail, the read fails altogether. There may be a case when the container is moved to a new pipeline by the time client reads. In this case, the client should request for a refresh pipeline from OM, and read it again if the new pipeline returned from OM is different. 



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