Implement something like PAR2 support?
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Key: HDFS-808
URL: https://issues.apache.org/jira/browse/HDFS-808
Project: Hadoop HDFS
Issue Type: New Feature
Reporter: Allen Wittenauer
Priority: Minor
We really need an Idea issue type, because I'm not sure if this is really
viable. :) Just sort of thinking "out loud".
I was thinking about how file recovery works on services like Usenet to fix
data corruption when chunks of files are missing. I wonder how hard it would
be to implement something like PAR2 [ http://en.wikipedia.org/wiki/Parchive ]
automatically for large files. We'd have the advantage of being able to do it
in binary of course and could likely hide the details within HDFS itself.
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