Neil Conway created MESOS-6966:
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Summary: master/tasks_unreachable metric never decremented
Key: MESOS-6966
URL: https://issues.apache.org/jira/browse/MESOS-6966
Project: Mesos
Issue Type: Bug
Components: master
Reporter: Neil Conway
Assignee: Neil Conway
The {{master/tasks_unreachable}} metric is incremented for each task that was
running on an agent that is marked unreachable. However, this metric is never
decremented when/if the agent re-registers. Hence, if an agent is repeatedly
marked unreachable, the metric will continually increase.
Basically, this metric is actually recording the *number of times* that this
master has marked a task unreachable. This is inconsistent with some other
metrics: for example, {{master/tasks_running}} reports the number of tasks that
are presently unreachable.
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