He Xiaoqiao created HDFS-10606:
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Summary: TrashPolicyDefault supports time of auto clean up can
configured
Key: HDFS-10606
URL: https://issues.apache.org/jira/browse/HDFS-10606
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Affects Versions: 2.7.1
Reporter: He Xiaoqiao
TrashPolicyDefault clean up Trash based on
[UTC|http://www.worldtimeserver.com/current_time_in_UTC.aspx] currently and the
time of cleaning up is 00:00 UTC. when there are large amount of trash data
should be auto-clean, it will block NN for a long time since Global Lock, In
the most serious situations it may lead some cron job submit failure. if add
configuration about time of cleaning up, it will avoid impact on this cron jobs
at that default time.
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