sub007 commented on issue #10972:
URL: https://github.com/apache/druid/issues/10972#issuecomment-799527290
When a supervisor is posted, it creates a corresponding task(s). In your
case, looks like the tasks have failed in the past.
The supervisor moves to `UNHEALTHY_TASKS` status when the last
`druid.supervisor.taskUnhealthinessThreshold` consecutive tasks have all
failed.
The default value for `druid.supervisor.taskUnhealthinessThreshold` is 3.
The supervisor moves back to HEALTHY status when
druid.supervisor.taskHealthinessThreshold consecutive tasks result in success.
The default value for `druid.supervisor.taskHealthinessThreshold` is 3.
You can try updating the value of druid.supervisor.taskHealthinessThreshold.
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