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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10327) Open files in WEBHDFS which are stored in folders by Spark
Date Tue, 26 Apr 2016 00:01:24 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15257291#comment-15257291

Chris Nauroth commented on HDFS-10327:

As originally described, it was an ask for WebHDFS to handle these "Spark directories", but
HDFS doesn't handle knowledge of specific applications.  Likewise, I'm not sure a SPARK JIRA
would be useful, because the Spark community probably doesn't easily have a way to alter the
behavior of WebHDFS.

> Open files in WEBHDFS which are stored in folders by Spark
> ----------------------------------------------------------
>                 Key: HDFS-10327
>                 URL: https://issues.apache.org/jira/browse/HDFS-10327
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: webhdfs
>            Reporter: Thomas Hille
>              Labels: features
> When Spark saves a file in HDFS it creates a directory which includes many parts of the
file. When you read it with spark programmatically, you can read this directory as it is a
normal file.
> If you try to read this directory-style file in webhdfs, it returns 
> {"exception":"FileNotFoundException","javaClassName":"java.io.FileNotFoundException","message":"Path
is not a file: [...]

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