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https://issues.apache.org/jira/browse/TEZ-1589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated TEZ-1589:
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Summary: ContainerReporter requests AM for getTask() too frequently
(causing pressure on AM side) (was: ContainerReporter requests AM for getTask
too frequently (causing pressure on AM side))
> ContainerReporter requests AM for getTask() too frequently (causing pressure
> on AM side)
> ----------------------------------------------------------------------------------------
>
> Key: TEZ-1589
> URL: https://issues.apache.org/jira/browse/TEZ-1589
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Labels: performance
> Attachments: TEZ-1589.1.patch
>
>
> Min time to wait before a task requests AM for another task is set to 200 ms.
> As per ContainerReporter->call() logic, it would be invoked every 10ms until
> we reach 200ms.
> This wouldn't be much of a problem for small jobs. But for large jobs with
> many tasks, this will cause pressure on AM.
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