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https://issues.apache.org/jira/browse/MESOS-4833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neil Conway updated MESOS-4833:
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Shepherd: Joris Van Remoortere
> 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
> Assignee: Neil Conway
> Priority: Critical
> Labels: mesosphere, resources
> 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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