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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-701) DataNode's volumeMap should be private.
Date Tue, 13 Oct 2009 01:09:31 GMT
DataNode's volumeMap should be private.
---------------------------------------

                 Key: HDFS-701
                 URL: https://issues.apache.org/jira/browse/HDFS-701
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: data-node
    Affects Versions: 0.21.0
            Reporter: Konstantin Shvachko
             Fix For: 0.21.0


HADOOP-4584 removed private modifier from {{DataNode.volumeMap}}. This opened a hole to access
internal data-node data structures without holding a lock on FSDataset. This was not the case
in previous version 0.20. {{volumeMap}} should be made private back again.

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