Muhammad Samir Khan created TEZ-3816:
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Summary: 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
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.
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