Meng Zhu created MESOS-9802:
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Summary: Remove quota role sorter in the allocator.
Key: MESOS-9802
URL: https://issues.apache.org/jira/browse/MESOS-9802
Project: Mesos
Issue Type: Improvement
Components: allocation
Reporter: Meng Zhu
Assignee: Meng Zhu
Remove the dedicated quota role sorter in favor of using the same sorting
between satisfying guarantees and bursting above guarantees up to limits. This
is tech debt from when a "quota role" was considered different from a
"non-quota" role. However, they are the same, one just has a default quota.
The only practical difference between quota role sorter and role sorter now is
that quota role sorter ignores the revocable resources both in its total
resource pool as well as role allocations. Thus when using DRF, it does not
count revocable resources which is arguably the right behavior.
By removing the quota sorter, we will have all roles sorted together. When
using DRF, in the 1st quota guarantee allocation stage, its share calculation
will also include revocable resources.
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