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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13715) Add isErasureCoded() API to FileStatus class
Date Tue, 21 Mar 2017 20:59:42 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15935332#comment-15935332
] 

Andrew Wang commented on HADOOP-13715:
--------------------------------------

I found the toStringStable JIRA I was thinking about: HADOOP-13150.

I don't think FileStatus#toString is dumped to the shell anywhere, but Manoj do you mind verifying?
3.0 is a new major release, but we have other ways of exposing this besides toString, and
there's no point needlessly changing stable interfaces.

> 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: Manoj Govindassamy
>            Priority: Blocker
>              Labels: hdfs-ec-3.0-must-do
>         Attachments: HADOOP-13715.01.patch, HADOOP-13715.02.patch
>
>
> 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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