Andras Gyori created YARN-10996:
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Summary: Fix race condition of User object acquisitions
Key: YARN-10996
URL: https://issues.apache.org/jira/browse/YARN-10996
Project: Hadoop YARN
Issue Type: Bug
Reporter: Andras Gyori
Assignee: Andras Gyori
UserManager is highly susceptible of removing users that are queried later.
This race condition produces NPE similar to YARN-10934. A non-exhaustive list
of these locations are:
- LeafQueue.getTotalPendingResourcesConsideringUserLimit
- UsersManager.computeUserLimit
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