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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11072) Add ability to unset and change directory EC policy
Date Fri, 28 Oct 2016 05:16:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15614340#comment-15614340
] 

Andrew Wang commented on HDFS-11072:
------------------------------------

Hi Sammi, your thinking is accurate. One little note though, we'd like to be able to be able
to support arbitrary replication factors, not just 3x. I hope this is possible without too
much extra work.

> Add ability to unset and change directory EC policy
> ---------------------------------------------------
>
>                 Key: HDFS-11072
>                 URL: https://issues.apache.org/jira/browse/HDFS-11072
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: erasure-coding
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Andrew Wang
>            Assignee: SammiChen
>              Labels: hdfs-ec-3.0-must-do
>
> Since the directory-level EC policy simply applies to files at create time, it makes
sense to make it more similar to storage policies and allow changing and unsetting the policy.



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