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https://issues.apache.org/jira/browse/AURORA-878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14179364#comment-14179364
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Maxim Khutornenko commented on AURORA-878:
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Seems related: AURORA-137
> Persist Host Attributes along Offer
> -----------------------------------
>
> Key: AURORA-878
> URL: https://issues.apache.org/jira/browse/AURORA-878
> Project: Aurora
> Issue Type: Task
> Components: Scheduler
> Reporter: Zameer Manji
>
> At a large production cluster [~wfarner] and I have noticed that a lot of
> time is spent reading from the attribute store during scheduling. This is
> because when scheduling tasks we need to check the attributes of the slave
> before accepting an offer. We do this to compute diversity constraints.
> We can prevent frequent reading from the attribute store in this process by
> persisting attributes alongside the offers. That way when we get an offer
> from a slave we can check the diversity constraints without reading from the
> AttributeStore.
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