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Posted to hdfs-dev@hadoop.apache.org by "Ivan Kelly (JIRA)" <ji...@apache.org> on 2010/12/23 10:37:01 UTC

[jira] Created: (HDFS-1557) Separate Storage from FSImage

Separate Storage from FSImage
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                 Key: HDFS-1557
                 URL: https://issues.apache.org/jira/browse/HDFS-1557
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: name-node
    Affects Versions: 0.21.0
            Reporter: Ivan Kelly
             Fix For: 0.22.0


FSImage currently derives from Storage and FSEditLog has to call methods directly on FSImage to access the filesystem. This JIRA is to separate the Storage class out into NNStorage so that FSEditLog is less dependent on FSImage. From this point, the other parts of the circular dependency should be easy to fix.

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