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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HDFS-12273) Federation UI
Date Sat, 30 Sep 2017 00:45:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16186753#comment-16186753
] 

Íñigo Goiri commented on HDFS-12273:
------------------------------------

Thanks for the comments [~giovanni.fumarola]:
* I changed the order in {{DFSConfigKeys}}
* The methods in {{RouterDFSCluster}} will be useful in the future. Removing them for now.
* Fixed {{index.html}}.
* The methods in {{RouterHttpServer}} are for the servlets which I will push in the future.
Removed them for now.
* All the {{createXX()}} methods in these services (e.g., {{ResourceManager}}) are usually
protected. I guess is because of the service pattern.

Great observation on the page being slow when the subcluster is slow.
I added a timeout for such methods.

Let me know if you have any other comments.

> Federation UI
> -------------
>
>                 Key: HDFS-12273
>                 URL: https://issues.apache.org/jira/browse/HDFS-12273
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: fs
>            Reporter: Íñigo Goiri
>            Assignee: Íñigo Goiri
>             Fix For: HDFS-10467
>
>         Attachments: federationUI-1.png, federationUI-2.png, federationUI-3.png, HDFS-12273-HDFS-10467-000.patch,
HDFS-12273-HDFS-10467-001.patch, HDFS-12273-HDFS-10467-002.patch, HDFS-12273-HDFS-10467-003.patch,
HDFS-12273-HDFS-10467-004.patch, HDFS-12273-HDFS-10467-005.patch
>
>
> Add the Web UI to the Router to expose the status of the federated cluster. It includes
the federation metrics.



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