anishek created HIVE-19188:

             Summary: Replication Resiliency: for listing files for a partition 
/  table
                 Key: HIVE-19188
             Project: Hive
          Issue Type: Bug
            Reporter: anishek

When for listing files for a partition /  table fails during dump we should 
have ability to *retry with wait,* so the whole dump process does not fail. 
additionally  the filesystem object used to list the files might have to be 
recreated since only IOException is thrown by the object for various operations 
and we dont know if the internal DFSClient it holds has a broken connection due 
to network error.  This has to be done using Filesystem.newInstance() since 
caching of fs object might be enabled.
currently caching of the filesystem object is depended upon
* Scheme
* Authority
* And a long called unique defaults to 0 unless explicitly provided, which is 
never the case from Hive since we call default constructor which uses 0L by 
default internally.

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