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Posted to hdfs-dev@hadoop.apache.org by "Deepak Majeti (JIRA)" <ji...@apache.org> on 2017/10/26 20:20:00 UTC

[jira] [Created] (HDFS-12724) Add retry logic when data node block moves while reading

Deepak Majeti created HDFS-12724:
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             Summary: Add retry logic when data node block moves while reading
                 Key: HDFS-12724
                 URL: https://issues.apache.org/jira/browse/HDFS-12724
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Deepak Majeti
            Assignee: Deepak Majeti


It is possible for a data node block to move due to re-balance.
Libhdfs++ must try a replica block when a block re-balance happens while reading data from that block.



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