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From "SammiChen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10994) Support an XOR policy XOR-2-1-64k in HDFS
Date Sat, 26 Nov 2016 15:06:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15698060#comment-15698060
] 

SammiChen commented on HDFS-10994:
----------------------------------

Double checked two failed test case.
1. hadoop.fs.TestSymlinkHdfsFileSystem
First, I run the test locally with latest trunk plus v5 patch, the test case all passed in
my local environment. Second, this file is not part of this patch. Also, it doesn't involve
striped file. 
2. hadoop.hdfs.server.namenode.TestDecommissioningStatus
error message is "roblem binding to [localhost:44807] java.net.BindException: Address already
in use; "

With all above observation, I think these 2  test case failure are irrelavent to this patch.

> Support an XOR policy XOR-2-1-64k in HDFS
> -----------------------------------------
>
>                 Key: HDFS-10994
>                 URL: https://issues.apache.org/jira/browse/HDFS-10994
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: erasure-coding
>    Affects Versions: 3.0.0-alpha1
>            Reporter: SammiChen
>            Assignee: SammiChen
>              Labels: hdfs-ec-3.0-must-do
>         Attachments: HDFS-10994-v1.patch, HDFS-10994-v2.patch, HDFS-10994-v3.patch, HDFS-10994-v4.patch,
HDFS-10994-v5.patch
>
>
> So far, "hdfs erasurecode" command supports three policies, RS-DEFAULT-3-2-64k, RS-DEFAULT-6-3-64k
and RS-LEGACY-6-3-64k. This task is going to add XOR-2-1-64k policy to this command.



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