[jira] [Comment Edited] (MESOS-8293) Reservation may not be allocated when the role has no quota.

["Meng Zhu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-8293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16284344#comment-16284344 ] 

Meng Zhu edited comment on MESOS-8293 at 12/15/17 2:35 AM:
-----------------------------------------------------------

https://reviews.apache.org/r/64636/


was (Author: mzhu):
https://reviews.apache.org/r/64467/

> 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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