Xiaowei Zhu created HDFS-11305:
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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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