sandflee created YARN-3387:
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Summary: container complete message couldn't pass to am if am
restarted and rm changed
Key: YARN-3387
URL: https://issues.apache.org/jira/browse/YARN-3387
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.6.0
Reporter: sandflee
suppose am work preserving and rm ha is enabled.
container complete message is passed to appattemt.justFinishedContainers in
rm。in normal situation，all attempt in one app shares the same
justFinishedContainers, but when rm changed, every attempt has it's own
justFinishedContainers, so in situations below, container complete message
couldn't passed to am:
1, am restart
2, rm changes
3, container launched by first am completes
container complete message will be passed to appAttempt1 not appAttempt2, but
am pull finished containers from appAttempt2 (currentAppAttempt)
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