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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3788) distcp can't copy large files using webhdfs due to missing Content-Length header
Date Mon, 13 Aug 2012 15:28:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13433211#comment-13433211
] 

Jason Lowe commented on HDFS-3788:
----------------------------------

A -get of a large file also fails, but it works on smaller files:

{noformat}
$ hadoop fs -ls bigfile
Found 1 items
-rw-r--r--   3 someuser hdfs 3246391296 2012-08-13 15:04 bigfile
$ hadoop fs -get webhdfs://clusternn:50070/user/someuser/bigfile
get: Content-Length header is missing
{noformat}

                
> 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
>            Priority: Critical
>         Attachments: distcp-webhdfs-errors.txt
>
>
> 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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