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Posted to common-dev@hadoop.apache.org by "Hairong Kuang (JIRA)" <ji...@apache.org> on 2010/07/21 23:54:49 UTC

[jira] Created: (HADOOP-6870) Add FileSystem#listLocatedStatus to list a directory's content together with each file's block locations

Add FileSystem#listLocatedStatus to list a directory's content together with each file's block locations
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                 Key: HADOOP-6870
                 URL: https://issues.apache.org/jira/browse/HADOOP-6870
             Project: Hadoop Common
          Issue Type: New Feature
          Components: fs
    Affects Versions: 0.22.0
            Reporter: Hairong Kuang
            Assignee: Hairong Kuang
             Fix For: 0.22.0


This jira implements the new FileSystem API as proposed in HDFS-202. The new API aims to eliminate individual "getFileBlockLocations" calls to NN for each file in the input directory of a job. Instead, a file's block locations are returned together with FileStatus when listing a directory, thus improving getSplits performance.

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