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From "Chesnay Schepler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-5179) MetricRegistry life-cycle issues with HA
Date Mon, 28 Nov 2016 14:51:58 GMT
Chesnay Schepler created FLINK-5179:

             Summary: MetricRegistry life-cycle issues with HA
                 Key: FLINK-5179
                 URL: https://issues.apache.org/jira/browse/FLINK-5179
             Project: Flink
          Issue Type: Bug
          Components: Metrics
    Affects Versions: 1.1.3
            Reporter: Chesnay Schepler
            Assignee: Chesnay Schepler
            Priority: Blocker
             Fix For: 1.2.0, 1.1.4

The TaskManager's MetricRegistry is started when the TaskManager is created, and shutdown
in the TaskManager's postStop method.

However, the registry is also shutdown within the TaskManager's disassociateFromJobManager
method; however it is not restarted when the connection is re-established.

Effectively this means that a TaskManager that ever reconnected to a JobManager will not report
any metrics, since the reporters are shutdown as well. Metrics will neither be sent to the
WebInterface anymore.

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