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From "Alexander Rukletsov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-3157) only perform batch resource allocations
Date Wed, 02 Sep 2015 12:34:45 GMT

    [ https://issues.apache.org/jira/browse/MESOS-3157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727256#comment-14727256
] 

Alexander Rukletsov commented on MESOS-3157:
--------------------------------------------

Thank you!

> only perform batch resource allocations
> ---------------------------------------
>
>                 Key: MESOS-3157
>                 URL: https://issues.apache.org/jira/browse/MESOS-3157
>             Project: Mesos
>          Issue Type: Bug
>          Components: allocation
>            Reporter: James Peach
>            Assignee: James Peach
>
> 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).
> We have been running a patch to remove all the event-triggered allocations and only allocate
from the batch task {{HierarchicalAllocatorProcess::batch}}. This works great and really improves
responsiveness.



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