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https://issues.apache.org/jira/browse/MESOS-6904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Yan Xu updated MESOS-6904:
--------------------------
    Target Version/s: 1.2.0

[~adam-mesos] trying to land this in the next couple of days to get it into 
1.2. Should it be a blocker? (It doesn't have to go in but it would be nice if 
we could)

> Perform batching of allocations to reduce allocator queue backlogging.
> ----------------------------------------------------------------------
>
>                 Key: MESOS-6904
>                 URL: https://issues.apache.org/jira/browse/MESOS-6904
>             Project: Mesos
>          Issue Type: Bug
>          Components: allocation
>            Reporter: Jacob Janco
>            Assignee: Jacob Janco
>              Labels: allocator
>
> Per MESOS-3157:
> {quote}
> Our deployment environments have a lot of churn, with many short-live 
> frameworks that often revive offers. Running the allocator takes a long time 
> (from seconds up to minutes).
> In this situation, event-triggered allocation causes the event queue in the 
> allocator process to get very long, and the allocator effectively becomes 
> unresponsive (eg. a revive offers message takes too long to come to the head 
> of the queue).
> {quote}
> To remedy the above scenario, it is proposed to perform batching of the 
> enqueued allocation operations so that a single allocation operation can 
> satisfy N enqueued allocations. This should reduce the potential for 
> backlogging in the allocator. See the discussion 
> [here|https://issues.apache.org/jira/browse/MESOS-3157?focusedCommentId=14728377&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14728377]
>  in MESOS-3157.



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