Aaron Levin created FLINK-14112:
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Summary: Removing zookeeper state should cause the task manager and job managers to restart
Key: FLINK-14112
URL:
https://issues.apache.org/jira/browse/FLINK-14112 Project: Flink
Issue Type: Wish
Components: Runtime / Coordination
Affects Versions: 1.9.0, 1.8.1
Reporter: Aaron Levin
Suppose you have a flink application running on a cluster with the following configuration:
{noformat}
high-availability.zookeeper.path.root: /flink
{noformat}
Now suppose you delete all the znodes within {{/flink}}. I experienced the following:
* massive amount of logging
* application did not restart
* task manager did not crash or restart
* job manager did not crash or restart
From this state I had to restart all the task managers and all the job managers in order for the flink application to recover.
It would be desirable for the Task Managers and Job Managers to crash if the znode is not available (though perhaps you all have thought about this more deeply than I!)
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