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https://issues.apache.org/jira/browse/MESOS-4414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15387327#comment-15387327
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Fabiano Francesconi commented on MESOS-4414:
--------------------------------------------
+1
I think that having a small "roles" section could help figuring out resource
allocation/reservation in a multi-tenant setup.
> Visualize resource usage per role in the UI
> -------------------------------------------
>
> Key: MESOS-4414
> URL: https://issues.apache.org/jira/browse/MESOS-4414
> Project: Mesos
> Issue Type: Improvement
> Components: webui
> Reporter: Ian Babrou
>
> When running Mesos in multi-tenant environment with several roles and
> frameworks, it's easy to be tricked that you have enough slack capacity. This
> leads to unexpected delays in scheduling, since you are low on resources on
> specific roles and unused chunks of resources are too small.
> While this is also a monitoring issue, I think Mesos UI can do a better job
> of vusualizing what resources are available for roles. I made a CLI tool to
> do that for myself: https://github.com/bobrik/scrappy
> In addition, it could be worth showing top available resource chunks per
> resource:
> * Biggest CPU intensive task that can be scheduled (with mem and disk)
> * Biggest mem intensive task that can be scheduled (with cpu and disk)
> * etc
> These things can be monitored and alerted on, but it probably isn't the best
> solution. Maybe it's a job for a separate service.
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