zhengchenyu created MAPREDUCE-7453:
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Summary: Container logs are missing when
yarn.app.container.log.filesize is set to default value 0.
Key: MAPREDUCE-7453
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7453
Project: Hadoop Map/Reduce
Issue Type: Improvement
Affects Versions: 3.3.6
Reporter: zhengchenyu
Assignee: zhengchenyu
Since HADOOP-18649, in container-log4j.properties,
log4j.appender.\{APPENDER}.MaxFileSize is set to
${yarn.app.container.log.filesize}, but yarn.app.container.log.filesize is 0 in
default. So log is missing. This log is always rolling and only show the latest
log.
This is the running log like below:
{code:java}
Log Type: syslog
Log Upload Time: Fri Sep 08 11:36:09 +0800 2023
Log Length: 0
Log Type: syslog.1
Log Upload Time: Fri Sep 08 11:36:09 +0800 2023
Log Length: 179
2023-09-08 11:31:34,494 INFO [AsyncDispatcher event handler]
org.apache.hadoop.yarn.util.RackResolver: Got an error when resolve hostNames.
Falling back to /default-rack for all. {code}
Note: log4j.appender.\{APPENDER}.MaxFileSize is not set before, then use
default value 10M, so no problem before HADOOP-18649
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