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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7859) Erasure Coding: Persist erasure coding policies in NameNode
Date Sun, 26 Feb 2017 07:50:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15884596#comment-15884596
] 

Wei-Chiu Chuang commented on HDFS-7859:
---------------------------------------

Hello [~andrew.wang] [~drankye] [~xinwei] [~zhz]
Appreciate your work in this big patch which I quickly skimmed through it.
Now that new fsimage entry is added, we should also add support for OIV XML/ReverseXML. And
add OEV XML output for edits. How about we file follow-up jiras for them? They are not as
high priority as this patch itself.

> Erasure Coding: Persist erasure coding policies in NameNode
> -----------------------------------------------------------
>
>                 Key: HDFS-7859
>                 URL: https://issues.apache.org/jira/browse/HDFS-7859
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>         Attachments: HDFS-7859.001.patch, HDFS-7859.002.patch, HDFS-7859.004.patch, HDFS-7859.005.patch,
HDFS-7859.006.patch, HDFS-7859.007.patch, HDFS-7859.008.patch, HDFS-7859.009.patch, HDFS-7859-HDFS-7285.002.patch,
HDFS-7859-HDFS-7285.002.patch, HDFS-7859-HDFS-7285.003.patch
>
>
> In meetup discussion with [~zhz] and [~jingzhao], it's suggested that we persist EC schemas
in NameNode centrally and reliably, so that EC zones can reference them by name efficiently.



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