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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13715) Add isErasureCoded() API to FileStatus class
Date Fri, 14 Oct 2016 03:45:21 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15574080#comment-15574080
] 

Rakesh R commented on HADOOP-13715:
-----------------------------------

Thanks [~drankye] for the useful thoughts. I could see encryption feature has exposed APIs
like, HdfsFileStatus has {{#getFileEncryptionInfo()}} exposed and FileStatus contains {{#isEncrypted()}}
flag, to tell whether the underlying file or directory is encrypted or not. imho, EC could
expose APIs in similar lines.

> Add isErasureCoded() API to FileStatus class
> --------------------------------------------
>
>                 Key: HADOOP-13715
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13715
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>
> Per the discussion in [HDFS-10971|https://issues.apache.org/jira/browse/HDFS-10971?focusedCommentId=15567108&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15567108]
I would like to add a new API {{isErasureCoded()}} to {{FileStatus}} so that tools and downstream
applications can tell if it needs to treat a file differently.
> Hadoop tools that can benefit from this effort include: distcp and teragen/terasort.
> Downstream applications such as flume or hbase may also benefit from it.



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