[
https://issues.apache.org/jira/browse/TEZ-3816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Muhammad Samir Khan updated TEZ-3816:
-------------------------------------
Attachment: TEZ-3816.001.patch
Added ability to LegacyTaskRuntimeEstimator to speculate based on timeout for
single task vertices.
> Ability to automatically speculate single-task vertices
> -------------------------------------------------------
>
> Key: TEZ-3816
> URL: https://issues.apache.org/jira/browse/TEZ-3816
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Muhammad Samir Khan
> Assignee: Muhammad Samir Khan
> Attachments: TEZ-3816.001.patch
>
>
> When a single-task vertex is unlucky, it lands on a very slow node.
> Speculation doesn't currently apply when there are no other tasks to compare
> with. It would be good to either have a configurable timeout after which the
> tasks automatically speculate.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
