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Posted to common-issues@hadoop.apache.org by "dmtran (JIRA)" <ji...@apache.org> on 2017/04/12 15:55:42 UTC
[jira] [Commented] (HADOOP-9187) FileUtil.CopyMerge should handle
compressed input and output
[ https://issues.apache.org/jira/browse/HADOOP-9187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15966102#comment-15966102 ]
dmtran commented on HADOOP-9187:
--------------------------------
Hi, I am interested by this feature. It is possible to include it in Hadoop 3.x ?
> 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
> Affects Versions: 2.3.0
> Reporter: Ranadip
> Assignee: Tsuyoshi Ozawa
> Labels: BB2015-05-TBR
> Attachments: HADOOP-9187.1.patch, HADOOP-9187.2.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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