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https://issues.apache.org/jira/browse/MESOS-5600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Mahler updated MESOS-5600:
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Summary: DRF sorter unnecessarily re-sorts due to misuse of "dirty" bit.
(was: "dirty" was never set back as false in sorter)
> DRF sorter unnecessarily re-sorts due to misuse of "dirty" bit.
> ---------------------------------------------------------------
>
> Key: MESOS-5600
> URL: https://issues.apache.org/jira/browse/MESOS-5600
> Project: Mesos
> Issue Type: Bug
> Components: allocation
> Reporter: Guangya Liu
> Assignee: Guangya Liu
> Fix For: 1.0.0
>
>
> dirty was set as true when the total resource was updated in the cluster, but
> it was never set back as false. The dirty should be set back as false in
> DRFSorter::sort
> https://github.com/apache/mesos/blob/master/src/master/allocator/sorter/drf/sorter.cpp#L320-L334
> The reason that we cannot detect this is because once an agent was added to
> cluster, the dirty will be set as true and the sorter will always call sort()
> to calculate share for each framework, this will impact the performance.
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