[jira] [Created] (ARROW-473) [C++/Python] Add public API for retrieving block locations for a particular HDFS file

["Wes McKinney (JIRA)" <ji...@apache.org>]

Wes McKinney created ARROW-473:
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             Summary: [C++/Python] Add public API for retrieving block locations for a particular HDFS file
                 Key: ARROW-473
                 URL: https://issues.apache.org/jira/browse/ARROW-473
             Project: Apache Arrow
          Issue Type: New Feature
          Components: C++, Python
            Reporter: Wes McKinney


This is necessary for applications looking to schedule data-local work. libhdfs does not have APIs to request the block locations directly, so we need to see if the {{hdfsGetHosts}} function will do what we need. For libhdfs3 there is a public API function 



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