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https://issues.apache.org/jira/browse/HDFS-5951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13902022#comment-13902022
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Suresh Srinivas commented on HDFS-5951:
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bq. Hey guys, I'm not really sure this is the sort of thing that should be in
HDFS at all. Doesn't Apache Ambari already do stuff like this?
I think there are lot of folks who use Hadoop as is. This is not to provide
super sophisticated UI, but to flag obvious errors. This helps in debugging and
for people to understand issues in the cluster.
Can you explain the reasons for why this should not be in HDFS?
> Provide diagnosis information in the Web UI
> -------------------------------------------
>
> Key: HDFS-5951
> URL: https://issues.apache.org/jira/browse/HDFS-5951
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Attachments: HDFS-5951.000.patch, diagnosis-failure.png,
> diagnosis-succeed.png
>
>
> HDFS should provide operation statistics in its UI. it can go one step
> further by leveraging the information to diagnose common problems.
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