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Posted to hdfs-dev@hadoop.apache.org by "Plamen Jeliazkov (JIRA)" <ji...@apache.org> on 2015/03/09 20:18:38 UTC

[jira] [Created] (HDFS-7906) BlockReport of a RUR can have a FINALIZED original replica from Truncate

Plamen Jeliazkov created HDFS-7906:
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             Summary: BlockReport of a RUR can have a FINALIZED original replica from Truncate
                 Key: HDFS-7906
                 URL: https://issues.apache.org/jira/browse/HDFS-7906
             Project: Hadoop HDFS
          Issue Type: Sub-task
    Affects Versions: 2.7.0
            Reporter: Plamen Jeliazkov
            Assignee: Plamen Jeliazkov


HDFS-7886 revealed that there is a new replica state change as part of Truncate.

It is now possible that a FINALIZED replica become a RUR replica with an original replica pointing back to the FINALIZED replica.

As a result, it is possible to hit an assert in BlockLIstAsLongs.setBlock() whereby you are trying to add a FINALIZED replica to the ucList because a RUR only had an under-construction replica prior to Truncate.



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