Weiwei Yang created YUNIKORN-1218:
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Summary: Scheduler crashed with concurrent map access error in
health checker
Key: YUNIKORN-1218
URL: https://issues.apache.org/jira/browse/YUNIKORN-1218
Project: Apache YuniKorn
Issue Type: Bug
Components: core - scheduler
Reporter: Weiwei Yang
Assignee: Weiwei Yang
After YUNIKORN-1107, the health checker runs as a background thread in 30s
interval. We observed a few scheduler restarts in the past week that seems to
be caused by this thread, because it has an unsafe access to the partition
context without proper read lock. I have uploaded a patch to reproduce this
locally, and a file of the stack trace when crash happens.
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