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Druid did not remove segments from middle manager after ingestion task failed #13183

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@mounikanakkala

Description

@mounikanakkala

Affected Version

0.22.1

Description

What happened?

  • Druid did not remove segments from middle manager after the ingestion task failed

Background

  • For some reason, some Kafka ingestion tasks at some point failed. We saw InterruptedExceptions in the logs.
  • We are thinking it is likely due to some overlord failure.
  • The tasks reran and they auto recovered.

Question

  • One of the ingestion task that failed may have created some realtime segments that got interrupted. Those segments did not get removed from middle manager.
  • Is this behavior expected? If the tasks auto recovered, such stray segments should also have been deleted but they continued to stay on middle manager.
    RealtimeSegments

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