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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10983) OIV tool should make an EC file explicit
Date Tue, 07 Mar 2017 00:20:33 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15898441#comment-15898441
] 

Andrew Wang commented on HDFS-10983:
------------------------------------

Looks good overall, thanks for revving Manoj! One question though, in FSImageFormatPBInode,
is it necessary to set the replication factor for an EC file? I commented this line out and
ran a few EC unit tests successfully. It'd be nice to unit test this to make sure we aren't
writing extraneous fields to the FSImage.

> OIV tool should make an EC file explicit
> ----------------------------------------
>
>                 Key: HDFS-10983
>                 URL: https://issues.apache.org/jira/browse/HDFS-10983
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Wei-Chiu Chuang
>            Assignee: Manoj Govindassamy
>              Labels: hdfs-ec-3.0-nice-to-have
>         Attachments: HDFS-10983.01.patch, HDFS-10983.02.patch
>
>
> The OIV tool's webhdfs interface does not print if a file is striped or not.
> Also, it prints the file's EC policy ID as replication factor, which is inconsistent
to the output of a typical webhdfs call to the cluster, which always shows replication factor
of 0 for EC files.
> Not just webhdfs, but delimiter output does not print if a file is stripped or not either.



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