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https://issues.apache.org/jira/browse/HDFS-3788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13434463#comment-13434463
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Jason Lowe commented on HDFS-3788:
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I tested out the patch on trunk and am unable to reproduce Eli's issue.
Without the patch both -get and distcp via webhdfs fail, but after the patch I
can successfully -get and distcp large files. This is on a pseudo-distributed
tarball without security, distcp is {{hadoop distcp
webhdfs://localhost:50070/user/someuser/distcpsrc
hdfs://localhost:8020/user/someuser/distcpdest}} where distcpsrc/ contains a
3GB file.
> distcp can't copy large files using webhdfs due to missing Content-Length
> header
> --------------------------------------------------------------------------------
>
> Key: HDFS-3788
> URL: https://issues.apache.org/jira/browse/HDFS-3788
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 0.23.3, 2.0.0-alpha
> Reporter: Eli Collins
> Assignee: Tsz Wo (Nicholas), SZE
> Priority: Critical
> Attachments: distcp-webhdfs-errors.txt, h3788_20120813.patch,
> h3788_20120814.patch
>
>
> The following command fails when data1 contains a 3gb file. It passes when
> using hftp or when the directory just contains smaller (<2gb) files, so looks
> like a webhdfs issue with large files.
> {{hadoop distcp webhdfs://eli-thinkpad:50070/user/eli/data1
> hdfs://localhost:8020/user/eli/data2}}
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