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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10916) Switch from "raw" to "system" xattr namespace for erasure coding policy
Date Tue, 11 Oct 2016 17:07:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Lei (Eddy) Xu updated HDFS-10916:
       Resolution: Fixed
    Fix Version/s: 3.0.0-alpha2
           Status: Resolved  (was: Patch Available)

+1.  Thanks [~andrew.wang].

> Switch from "raw" to "system" xattr namespace for erasure coding policy
> -----------------------------------------------------------------------
>                 Key: HDFS-10916
>                 URL: https://issues.apache.org/jira/browse/HDFS-10916
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: erasure-coding
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>             Fix For: 3.0.0-alpha2
>         Attachments: HDFS-10916.001.patch
> Currently EC policy is stored as in the raw xattr namespace. It would be better to store
this in "system" like storage policy.
> Raw is meant for attributes which need to be preserved across a distcp, like encryption
info. EC policy is more similar to replication factor or storage policy, which can differ
between the src and target of a distcp. 

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