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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8196) Erasure Coding related information on NameNode UI
Date Mon, 27 Feb 2017 23:52:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15886785#comment-15886785
] 

Andrew Wang commented on HDFS-8196:
-----------------------------------

Looks like the 04 patch doesn't address my comments about not iterating the whole block map
to calculate these counts, also thread safety.

I think [~manojg] is planning to add these counts in the context of HDFS-10999, so maybe we
revisit this JIRA after that.

> Erasure Coding related information on NameNode UI
> -------------------------------------------------
>
>                 Key: HDFS-8196
>                 URL: https://issues.apache.org/jira/browse/HDFS-8196
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: HDFS-7285
>            Reporter: Kai Sasaki
>            Assignee: Kai Sasaki
>              Labels: NameNode, WebUI, hdfs-ec-3.0-nice-to-have
>         Attachments: HDFS-8196.01.patch, HDFS-8196.02.patch, HDFS-8196.03.patch, HDFS-8196.04.patch,
Screen Shot 2017-02-06 at 22.30.40.png, Screen Shot 2017-02-12 at 20.21.42.png, Screen Shot
2017-02-14 at 22.43.57.png
>
>
> NameNode WebUI shows EC related information and metrics. 
> This is depend on [HDFS-7674|https://issues.apache.org/jira/browse/HDFS-7674].



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