Ranadip created HADOOP-9187:
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Summary: FileUtil.CopyMerge should handle compressed input and
output
Key: HADOOP-9187
URL: https://issues.apache.org/jira/browse/HADOOP-9187
Project: Hadoop Common
Issue Type: Improvement
Components: fs
Reporter: Ranadip
This method, if run on compressed input, results in corrupt output since it
just does a byte-by-byte concatenation disregarding compression codecs. It
should automatically detect compression codecs from input files and handle them
intelligently.
Additionally, there should be an option to create a compressed output file so
that the output can be efficiently stored and sent out to customers (over the
network outside the cluster).
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