QI, Jiale created TEZ-4643:
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Summary: Enforce speculation configuration to prevent execution on
normal tasks.
Key: TEZ-4643
URL: https://issues.apache.org/jira/browse/TEZ-4643
Project: Apache Tez
Issue Type: Bug
Affects Versions: 0.10.5
Reporter: QI, Jiale
Fix For: 1.0.0
A configuration meant to distinguish between slow and normal task attempts is
not working correctly. This causes the speculation mechanism to target normal
tasks as well, wasting considerable resources. This fix ensures the
configuration is enforced, limiting speculative execution to only outlier or
slow tasks.
`tez.am.legacy.speculative.slowtask.threshold`
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