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Posted to yarn-issues@hadoop.apache.org by "Botong Huang (JIRA)" <ji...@apache.org> on 2018/11/12 18:31:00 UTC

[jira] [Created] (YARN-9013) [GPG] fix order of steps cleaning Registry entries in ApplicationCleaner

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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