> Is there a way to create an external table on a directory, extract 'key' as 
> file name and 'value' as file content and write to a sequence file table?

Do you care that it is a sequence file?

The HDFS HAR format was invented for this particular problem, check if the 
"hadoop archive" command works for you and offers a filesystem abstraction.

Otherwise, there's always the old Mahout "seqdirectory" job, which is great if 
you have like .jpg files and want to pack them for HDFS to handle better (like 
GPS tiles).

Cheers,
Gopal


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