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https://issues.apache.org/jira/browse/MESOS-7138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yan Xu updated MESOS-7138:
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Summary: Check invariants in `Sorter::update`. (was: Implement the )
> Check invariants in `Sorter::update`.
> -------------------------------------
>
> Key: MESOS-7138
> URL: https://issues.apache.org/jira/browse/MESOS-7138
> Project: Mesos
> Issue Type: Task
> Reporter: Yan Xu
>
> This JIRA tracks the implementation of this
> [TODO|https://github.com/apache/mesos/blob/54b4d69b4b34c0d527cf53f1e436cb16ed50ac05/src/master/allocator/sorter/drf/sorter.cpp#L205-L208]:
> {quote}
> // TODO(bmahler): Check invariants between old and new allocations.
> // Namely, the roles and quantities of resources should be the same!
> // Otherwise, we need to ensure we re-calculate the shares, as
> // is being currently done, for safety.
> {quote}
> After this check, we can remove the line that sets the sorter to be {{dirty}}
> after this call and we can avoid an unnecessary sort.
> Note that the shared resources feature currently assumes the invariants.
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