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https://issues.apache.org/jira/browse/HDFS-3598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13564540#comment-13564540
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Plamen Jeliazkov commented on HDFS-3598:
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Ok here's what I've got so far:
I will add concat to FileSystem. Where needed I will introduce its dummy body
to throw an UnsupportedOperationException for concat.
In WebHDFS I will implement concat as a POST operation (similar to append). The
initial path variable will be the target destination.
I will introduce a ConcatSourcesParam class in order to facilitate the multiple
FileSystem path parameters required in concatenation (inline with the other
Param classes already existing).
> WebHDFS: support file concat
> ----------------------------
>
> Key: HDFS-3598
> URL: https://issues.apache.org/jira/browse/HDFS-3598
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Plamen Jeliazkov
>
> In trunk and branch-2, DistributedFileSystem has a new concat(Path trg, Path
> [] psrcs) method. WebHDFS should support it.
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