[jira] [Created] (FLINK-19928) Introduce test configuration to detect instabilities better

[Shang Yuanchun (Jira)]

Robert Metzger created FLINK-19928:
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             Summary: Introduce test configuration to detect instabilities better
                 Key: FLINK-19928
                 URL: https://issues.apache.org/jira/browse/FLINK-19928
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination, Tests
            Reporter: Robert Metzger


As part of debugging FLINK-19805, I noticed that invalid system states sometimes depend on configuration values.

For example the "heartbeat.interval" is configured to 10 seconds by default. Many tests are not running that long, making it difficult to find test failures related to the heartbeat.

Similarly, to intervals, also retry configurations can cause failures to be hidden.

It will be difficult to spread this to all tests, but adding it to the {{MiniClusterResource}} would be a start.



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