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yarn modifies directory permissions

New Contributor

yarn aggregation log on hdfs when I FINISHED a job, the {yarn.nodemanager.remote-app-log-dir}/{user}/{yarn.nodemanager.remote-app-log-dir-sendix} directory permission is 770, I change the directory permission to 775.

But when I FINISHED a yarn job, it change the directory permission to 770 again.

Why would he happen? How to get it not to modify directory permissions.

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