ferdelyi opened a new pull request, #6455:
URL: https://github.com/apache/hadoop/pull/6455
…ationQueueOrderingPolicy
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### Description of PR
ConcurrentModificationException and NPE in
PriorityUtilizationQueueOrderingPolicy issue was resolved by sorting the
snapshot of the queues.
### How was this patch tested?
With a load test making sure that the dynamic queue deletion event
frequently coincides with the assignment iterator.
Since it is a concurrency issue, there is no unit test for this change.
### For code changes:
- [x] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
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