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YARN-11839. [RM HA] - In corner case, RM stay in ACTIVE with RMStateStore in FENCED state #7999

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YARN-11839. [RM HA] - In corner case, RM stay in ACTIVE with RMStateStore in FENCED state #7999

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vinayakumarb
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  • Adds recheck of current state before invoking transitionToStandBy() in a new thread.
  • This re-check avoids setting of StandByTransitionRunnable#hasAlreadyRun = true when the state is already StandBy.
  • This fix, allows proper transitionToStandby() when RMStateStore reaches FENCED state.

cnauroth
cnauroth approved these changes Sep 26, 2025
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+1 pending pre-commits. Thank you @vinayakumarb !

ayushtkn
ayushtkn approved these changes Sep 27, 2025
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LGTM

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@cnauroth cnauroth cnauroth approved these changes

@ayushtkn ayushtkn ayushtkn approved these changes

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@vinayakumarb @cnauroth @ayushtkn