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From "Xiaowei Zhu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11305) Log Datanode information when reading an HDFS block
Date Mon, 09 Jan 2017 21:22:00 GMT
Xiaowei Zhu created HDFS-11305:
----------------------------------

             Summary: Log Datanode information when reading an HDFS block
                 Key: HDFS-11305
                 URL: https://issues.apache.org/jira/browse/HDFS-11305
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Xiaowei Zhu
            Assignee: Xiaowei Zhu
            Priority: Minor


The information can be logged as debug log and contain hostname, ip address, with file path
and offset. With these information, we can check things like rack locality, etc.



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