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https://issues.apache.org/jira/browse/YARN-8045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16606463#comment-16606463
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Shane Kumpf commented on YARN-8045:
-----------------------------------
Good call, that sounds good to me.
> Reduce log output from container status calls
> ---------------------------------------------
>
> Key: YARN-8045
> URL: https://issues.apache.org/jira/browse/YARN-8045
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Shane Kumpf
> Priority: Major
>
> Each time a container's status is returned a log entry is produced in the NM
> from {{ContainerManagerImpl}}. The container status includes the diagnostics
> field for the container. If the diagnostics field contains an exception, it
> can appear as if the exception is logged repeatedly every second. The
> diagnostics message can also span many lines, which puts pressure on the logs
> and makes it harder to read.
> For example:
> {code}
> 2018-03-17 22:01:11,632 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl:
> Getting container-status for container_e01_1521323860653_0001_01_000005
> 2018-03-17 22:01:11,632 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl:
> Returning ContainerStatus: [ContainerId:
> container_e01_1521323860653_0001_01_000005, ExecutionType: GUARANTEED, State:
> RUNNING, Capability: <memory:1024, vCores:1>, Diagnostics: [2018-03-17
> 22:01:00.675]Exception from container-launch.
> Container id: container_e01_1521323860653_0001_01_000005
> Exit code: -1
> Exception message: <unknown>
> Shell ouput: <unknown>
> [2018-03-17 22:01:00.750]Diagnostic message from attempt :
> [2018-03-17 22:01:00.750]Container exited with a non-zero exit code -1.
> , ExitStatus: -1, IP: null, Host: null, ContainerSubState: SCHEDULED]
> {code}
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