[HDFS-10606] TrashPolicyDefault supports time of auto clean up can configured

• Type: Improvement
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.7.0
• Component/s: namenode
• Assignee: Xiaoqiao He
• Reporter: Xiaoqiao He
• Created: 11/Jul/16 12:13
• Updated: 02/Oct/19 17:12

Description

TrashPolicyDefault clean up Trash based on UTC 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.