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From "Shane Kumpf (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-8045) Reduce log output from container status calls
Date Sat, 17 Mar 2018 22:30:00 GMT
Shane Kumpf created YARN-8045:
---------------------------------

             Summary: 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


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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