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https://issues.apache.org/jira/browse/YARN-8671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bilwa S T reassigned YARN-8671:
-------------------------------
Assignee: (was: Bilwa S T)
> Container Launch failed stating "TaskAttempt killed because it ran on
> unusable node , Container released on a *lost* node"
> --------------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-8671
> URL: https://issues.apache.org/jira/browse/YARN-8671
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Affects Versions: 3.1.1
> Reporter: Akshay Agarwal
> Priority: Major
>
> Pre-requisites:
> {code:java}
> 1. Install HA cluster.
> 2.Set yarn.nodemanager.opportunistic-containers-max-queue-length=(positive
> integer value)[NodeManager->yarnsite.xml]
> 3. Set yarn.resourcemanager.opportunistic-container-allocation.enabled=
> true[ResourceManager->yarnsite.xml]
> {code}
>
> Steps to reproduce:
> {code:java}
> 1.Keep All NodeManagers Up
> 2.Stop 2 Nodemanagers and immediately follow step 3.
> 3.Submit a job with -Dmapreduce.job.num-opportunistic-maps-percent="100" and
> run with 50 mappers
> {code}
> Expected Result:
> {code:java}
> Job should be successfull {code}
> Actual Result:
> {code:java}
> Job is getting successfull but some containers are failing stating
> TaskAttempt killed because it ran on unusable node , Container released on a
> *lost* node"
> {code}
>
> Log Details:
> {code:java}
> TaskAttempt killed because it ran on unusable node Container released on a
> *lost* node Container launch failed for
> container_1534149133116_0019_01_000006 : java.net.ConnectException: Call From
> hostname/IP to hostname:portNumber failed on connection exception:
> java.net.ConnectException:
> {code}
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