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From Meng Zhu <>
Subject Re: Review Request 65806: Fixed a bug where quota headroom is miscalculated.
Date Tue, 27 Feb 2018 02:46:30 GMT

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(Updated Feb. 26, 2018, 6:46 p.m.)

Review request for mesos, Benjamin Mahler and Michael Park.


Removed the unnecessary patch dependency.

Bugs: MESOS-8604

Repository: mesos


When calculating the quota headroom, we failed to consider
ancestor's reservation allocated to the child. This leads
to under-estimation of available headroom and excessive
resources being set aside for headroom. See MESOS-8604.

This patches fixes this issue by counting ancestor's reservation
allocated to the child as allocated-reservation even though
the child itself has no reservation.


  src/master/allocator/mesos/hierarchical.cpp 80e0a347d6641c922cf7c62bef220ff5c8864597 



make check
Dedicated test in #65807


Meng Zhu

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