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https://issues.apache.org/jira/browse/HDFS-10606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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He Xiaoqiao updated HDFS-10606:
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Attachment: HDFS-10606.002.patch
> 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: 2.7.0
> Reporter: He Xiaoqiao
> Assignee: He Xiaoqiao
> Priority: Major
> Attachments: HDFS-10606-branch-2.7.001.patch, HDFS-10606.001.patch,
> HDFS-10606.002.patch
>
>
> 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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