Neil Conway created MESOS-4833:
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Summary: Poor allocator performance with labeled resources and/or
persistent volumes
Key: MESOS-4833
URL: https://issues.apache.org/jira/browse/MESOS-4833
Project: Mesos
Issue Type: Bug
Components: allocation
Reporter: Neil Conway
Priority: Critical
Fix For: 0.28.0
Modifying the {{HierarchicalAllocator_BENCHMARK_Test.ResourceLabels}} benchmark
from https://reviews.apache.org/r/43686/ to use distinct labels between
different slaves, performance regresses from ~2 seconds to ~3 minutes. The
culprit seems to be the way in which the allocator merges together resources;
reserved resource labels (or persistent volume IDs) inhibit merging, which
causes performance to be much worse.
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