[jira] [Created] (HDFS-5450) better API for getting the cached blocks locations

["Colin Patrick McCabe (JIRA)" <ji...@apache.org>]

Colin Patrick McCabe created HDFS-5450:
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             Summary: better API for getting the cached blocks locations
                 Key: HDFS-5450
                 URL: https://issues.apache.org/jira/browse/HDFS-5450
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: hdfs-client
    Affects Versions: 3.0.0
            Reporter: Colin Patrick McCabe
            Assignee: Andrew Wang
            Priority: Minor


Currently, we have to downcast the {{BlockLocation}] to {{HdfsBlockLocation}} to get information about whether a replica is cached.  We should have this information in {{BlockLocation}} instead.



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