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https://issues.apache.org/jira/browse/MAPREDUCE-7278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tarun Parimi updated MAPREDUCE-7278:
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    Attachment: MAPREDUCE-7278.002.patch

> Speculative execution behavior is observed even when 
> mapreduce.map.speculative and mapreduce.reduce.speculative are false
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-7278
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7278
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: task
>    Affects Versions: 2.8.0
>            Reporter: Tarun Parimi
>            Priority: Major
>         Attachments: MAPREDUCE-7278.001.patch, MAPREDUCE-7278.002.patch, 
> Screen Shot 2020-04-30 at 8.04.27 PM.png
>
>
> When a failed task attempt container is stuck in FAIL_FINISHING_CONTAINER 
> state for some time, we observe two task attempts are launched simultaneously 
> even when speculative execution is disabled.
> This results in the below message shown in the killed attempts, indicating 
> speculation has occurred. This is an issue for jobs which require speculative 
> execution to be strictly disabled.
>   !Screen Shot 2020-04-30 at 8.04.27 PM.png!
>  
>  



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