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From Meng Zhu <>
Subject Review Request 70738: Allow roles to burst up to quota limits in the allocator.
Date Tue, 04 Jun 2019 04:53:49 GMT

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Review request for mesos, Andrei Sekretenko and Benjamin Mahler.

Bugs: MESOS-8456

Repository: mesos


This patch allows roles to burst above their quota guarantees
up to the quota limits.

In the first allocation stage which is dedicated to roles
with non-default guarantees, we allow these roles to burst
up to their limits for resources that they have guarantees
set as well as for other resources allocated together
with the guaranteed resources. These bursts are subject to
global headroom enforcement.

In the second allocation stage, we allow all roles to burst
up to their limits while maintaining the global headroom.

Also fixed an affected test.


  src/master/allocator/mesos/hierarchical.cpp aa4c43882d0befb2100c92f383e87ab637fa4c7e 
  src/tests/hierarchical_allocator_tests.cpp 7221a642a8dda1c7b8ed5ebe7f9b840b5e949e88 



make check


Meng Zhu

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