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https://issues.apache.org/jira/browse/HADOOP-9187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsuyoshi OZAWA updated HADOOP-9187:
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Attachment: HADOOP-9187.1.patch
Support to handle compressed input and output.
> 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
> Attachments: HADOOP-9187.1.patch
>
>
> 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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