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From Andrei Sekretenko <>
Subject Review Request 71646: Modified Sorter interface to add/remove an agent as a whole.
Date Tue, 22 Oct 2019 13:41:47 GMT

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Review request for mesos, Benjamin Mahler and Meng Zhu.

Bugs: MESOS-10015

Repository: mesos


This patch replaces Sorter methods which modify `Resources` of an agent
in the Sorter with methods which add/remove an agent as a whole
(which was actually the only use case of the old methods).

Thus, subtracting/adding `Resources` of the whole agent no longer
occurs when updating resources of the agent in the Sorter. This
mitigates the issue with poor performance of
`HierarchicalAllocatorProcess::updateAllocation()` for agents with
a huge number of non-addable resources (see MESOS-10015).


  src/master/allocator/mesos/hierarchical.cpp 21010de363f25c516bb031e4ae48888e53621128 
  src/master/allocator/mesos/sorter/drf/sorter.hpp 3f6c7413f1b76f3fa86388360983763c8b76079f

  src/master/allocator/mesos/sorter/drf/sorter.cpp ef79083b710fba628b4a7e93f903883899f8a71b

  src/master/allocator/mesos/sorter/random/sorter.hpp a3097be98d175d2b47714eb8b70b1ce8c5c2bba8

  src/master/allocator/mesos/sorter/random/sorter.cpp 86aeb1b8136eaffd2d52d3b603636b01383a9024

  src/master/allocator/mesos/sorter/sorter.hpp 6b6b4a1811ba36e0212de17b9a6e63a6f8678a7f 
  src/tests/sorter_tests.cpp d7fdee8f2cab4c930230750f0bd1a55eb08f89bb 




Andrei Sekretenko

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