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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2985) YARN should support to delete the aggregated logs for Non-MapReduce applications
Date Tue, 23 Dec 2014 11:32:14 GMT

    [ https://issues.apache.org/jira/browse/YARN-2985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14256880#comment-14256880
] 

Naganarasimha G R commented on YARN-2985:
-----------------------------------------

Hi [~yxls123123]
bq. The Non-MapReduce application can aggregate their logs to HDFS, but can not delete those
logs
You mean in secure environment Non-MapReduce application cannot delete the logs ? basically
why not, application specific History server handle this deletion ? or you have Non-MapReduce
application which doesnt have a daemon service (like history server) running ?

> 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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