Carlo Curino commented on YARN-2664:

Just as a reminder of our last in-person conversations. I think this 
functionality is mostly there, but when I tested on a large and very busy plan, 
the load-time was getting way too high. We should have some automatic limiter 
that will not try to load and visualize hundreds/thousands of reservations, but 
switch to a aggregate view, but allows to insert a reservationId for a more 
detailed visualization.

> Improve RM webapp to expose info about reservations.
> ----------------------------------------------------
>                 Key: YARN-2664
>                 URL: https://issues.apache.org/jira/browse/YARN-2664
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Carlo Curino
>            Assignee: Matteo Mazzucchelli
>              Labels: BB2015-05-TBR
>         Attachments: PlannerPage_screenshot.pdf, YARN-2664.1.patch, 
> YARN-2664.10.patch, YARN-2664.11.patch, YARN-2664.2.patch, YARN-2664.3.patch, 
> YARN-2664.4.patch, YARN-2664.5.patch, YARN-2664.6.patch, YARN-2664.7.patch, 
> YARN-2664.8.patch, YARN-2664.9.patch, YARN-2664.patch, legal.patch, 
> screenshot_reservation_UI.pdf
> YARN-1051 provides a new functionality in the RM to ask for reservation on 
> resources. Exposing this through the webapp GUI is important.

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