James Clampffer created HDFS-10951:
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Summary: libhdfs++: FileHandle should handle DN failure internally
Key: HDFS-10951
URL: https://issues.apache.org/jira/browse/HDFS-10951
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: James Clampffer
Assignee: James Clampffer
Priority: Minor
Currently if a read hits a bad DN it will add it to the DN exclusion set and
return an error. It'd be nice if it'd exhaust attempts to all replica
locations before returning an error so client applications don't have to
attempt to figure out the difference between "File not found" and "DN not
responsive, go try a different DN".
Related to HDFS-10937
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