Botong Huang created YARN-9013:
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Summary: [GPG] fix order of steps cleaning Registry entries in
ApplicationCleaner
Key: YARN-9013
URL: https://issues.apache.org/jira/browse/YARN-9013
Project: Hadoop YARN
Issue Type: Task
Reporter: Botong Huang
Assignee: Botong Huang
ApplicationCleaner today deletes the entry for all finished (non-running)
application in YarnRegistry using this logic:
# GPG gets the list of running applications from Router.
# GPG gets the full list of applications in registry
# GPG deletes in registry every app in 2 that’s not in 1
The problem is that jobs that started between 1 and 2 meets the criteria in 3,
and thus get deleted by mistake. The fix/right order should be 2->1->3, rather
than 1->2->3.
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