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From "Meng Zhu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MESOS-8293) Reservation may not be allocated when the role has no quota.
Date Thu, 07 Dec 2017 17:32:00 GMT

     [ https://issues.apache.org/jira/browse/MESOS-8293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Meng Zhu updated MESOS-8293:
----------------------------
          Sprint: Mesosphere Sprint 70  (was: Mesosphere Sprint 69)
    Story Points: 3

> Reservation may not be allocated when the role has no quota.
> ------------------------------------------------------------
>
>                 Key: MESOS-8293
>                 URL: https://issues.apache.org/jira/browse/MESOS-8293
>             Project: Mesos
>          Issue Type: Bug
>          Components: allocation
>            Reporter: Meng Zhu
>            Assignee: Meng Zhu
>            Priority: Critical
>              Labels: multitenancy
>
> Reservations that belong to a role that has no quota may not be allocated even when the
reserved resources are allocatable to the role.
> This is because in the current implementation the reserved resources may be counted towards
the headroom left for unallocated quota limit in the second stage allocation.
> https://github.com/apache/mesos/blob/c844db9ac7c0cef59be87438c6781bfb71adcc42/src/master/allocator/mesos/hierarchical.cpp#L1764-L1767
> Roles with quota do not have this issue because currently their reservations are taken
care of in the first stage.



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