Akshay Agarwal created YARN-8671:
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Summary: 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
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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