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From "Kai Sasaki (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8196) Erasure Coding related information on NameNode UI
Date Fri, 20 Jan 2017 00:41:26 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830899#comment-15830899

Kai Sasaki commented on HDFS-8196:

[~andrew.wang] Thanks. I can do. 

My first thoughts are some counts on how much data in the cluster is erasure coded, in terms
capacity, blocks, files, average # blocks / file
Yes. In addition to these capacity metrics, I think showing available codecs, configs are
useful for admins. I'll list up the information should be shown.

> 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
> 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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