[YARN-11209] yarn CapacityScheduler Unknown bug: Resource scheduling fails after RM runs for 3 days and resources cannot be fully used.

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.1.1
• Component/s: capacity scheduler
• Labels: capacity-scheduler yarn
• Assignee: Unassigned
• Reporter: ruiliang
• Created: 12/Jul/22 07:05
• Updated: 20/Jul/22 06:25

Description

• 
• Here are the jStacks where resource scheduling does not reach 100%

• rm_20220711_1646_have_bug.jstack

 

      restart  rm After 3 days of good operation

      rm_20220712_1424_run well.jstack

At present, I do not know what the problem is. Could you please tell me what configuration needs to be adjusted?There is no configuration change before and after the restart, but this problem is really prominent, request guidance

CPU before and after comparison is obvious, other hard indicators are not clear display abnormal