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https://issues.apache.org/jira/browse/YARN-9676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Szilard Nemeth updated YARN-9676:
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Fix Version/s: 3.2.1
3.3.0
> Add DEBUG and TRACE level messages to AppLogAggregatorImpl and connected
> classes
> --------------------------------------------------------------------------------
>
> Key: YARN-9676
> URL: https://issues.apache.org/jira/browse/YARN-9676
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Adam Antal
> Assignee: Adam Antal
> Priority: Major
> Fix For: 3.3.0, 3.2.1
>
>
> During the development of the last items of YARN-6875, it was typically
> difficult to extract information about the internal state of some log
> aggregation related classes (e.g. {{AppLogAggregatiorImpl}} and
> {{LogAggregationFileController}}).
> On my fork I added a few more messages to those classes like:
> - displaying the number of log aggregation cycles
> - displaying the names of the files currently considered for log aggregation
> by containers
> - immediately displaying any exception caught (and sent to the RM in the
> diagnostic messages) during the log aggregation process.
> Those messages were quite useful for debugging if any issue occurs, but
> otherwise it flooded the NM log file with these messages that are usually not
> needed. I suggest to add (some of) these messages in DEBUG or TRACE level.
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