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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11598) Improve -setrep for Erasure Coded files
Date Mon, 03 Apr 2017 14:59:42 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wei-Chiu Chuang updated HDFS-11598:
-----------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha3
           Status: Resolved  (was: Patch Available)

Thanks a lot for the patch [~linyiqun]. I committed your 002 patch to trunk.

> Improve -setrep for Erasure Coded files
> ---------------------------------------
>
>                 Key: HDFS-11598
>                 URL: https://issues.apache.org/jira/browse/HDFS-11598
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: shell
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Wei-Chiu Chuang
>            Assignee: Yiqun Lin
>              Labels: hdfs-ec-3.0-nice-to-have
>             Fix For: 3.0.0-alpha3
>
>         Attachments: HDFS-11598.001.patch, HDFS-11598.002.patch
>
>
> Quoting my comments in HDFS-10974:
> {quote}
> Looking at code again, I think we can improve the handling of EC files better:
> * In SetReplication#processPath, can we check if the file is EC before invoking setReplication()
on it?
> * -setrep also has a command switch -w to wait for the file to be replicated. Can we
ignore this if the file is erasure coded?
> {quote}
> Also, in fact, -setrep only make sense for HDFS file system...



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