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Posted to issues@flink.apache.org by "Till Rohrmann (Jira)" <ji...@apache.org> on 2021/01/15 10:38:00 UTC

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

    [ https://issues.apache.org/jira/browse/FLINK-19928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17265903#comment-17265903 ] 

Till Rohrmann commented on FLINK-19928:
---------------------------------------

What is the state here [~rmetzger]? Do you have a proposal for a test configuration?

> 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
>            Priority: Major
>
> 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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