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Posted to hdfs-dev@hadoop.apache.org by "Konstantin Shvachko (JIRA)" <ji...@apache.org> on 2009/10/13 03:09:31 UTC

[jira] Created: (HDFS-701) DataNode's volumeMap should be private.

DataNode's volumeMap should be private.
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                 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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