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https://issues.apache.org/jira/browse/YARN-2985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257837#comment-14257837
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Zhijie Shen commented on YARN-2985:
-----------------------------------
When we were working on YARN-2443, we came across this question too. At that
moment, we thought of moving the aggregated log retention service to the
timeline server, which is the central point of serving history information of
different YARN apps.
> YARN should support to delete the aggregated logs for Non-MapReduce
> applications
> --------------------------------------------------------------------------------
>
> Key: YARN-2985
> URL: https://issues.apache.org/jira/browse/YARN-2985
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: log-aggregation, nodemanager
> Reporter: Xu Yang
>
> Before Hadoop 2.6, the LogAggregationService is started in NodeManager. But
> the AggregatedLogDeletionService is started in mapreduce`s JobHistoryServer.
> Therefore, the Non-MapReduce application can aggregate their logs to HDFS,
> but can not delete those logs. Need the NodeManager take over the function of
> aggregated log deletion.
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