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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10974) Document replication factor for EC files.
Date Fri, 31 Mar 2017 02:18:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950202#comment-15950202
] 

Yiqun Lin commented on HDFS-10974:
----------------------------------

Thanks a lot for the review and commit, [~jojochuang]!
{quote}
Looking at code again, I think we can improve the handling of EC files better:
...
{quote}
It's a good proposal! I will take some time to work for this improvement these days.

> Document replication factor for EC files.
> -----------------------------------------
>
>                 Key: HDFS-10974
>                 URL: https://issues.apache.org/jira/browse/HDFS-10974
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: documentation, erasure-coding
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Wei-Chiu Chuang
>            Assignee: Yiqun Lin
>             Fix For: 3.0.0-alpha3
>
>         Attachments: HDFS-10974.001.patch, HDFS-10974.002.patch, HDFS-10974.003.patch,
HDFS-10974.004.patch
>
>
> The replication factor of an EC file is 0 from a user perspective. This affects all user
visible commands and APIs, such as {{hdfs dfs -ls}}, {{hdfs dfs -stat}}, webhdfs, httpfs...etc.
> In addition, FileSystem#setReplication API for an EC file is ignored. So is the command
{{hdfs dfs -setrep}}



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