Till Rohrmann created FLINK-21602:
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Summary: Creation of ExecutionGraph happens in main thread
Key: FLINK-21602
URL: https://issues.apache.org/jira/browse/FLINK-21602
Project: Flink
Issue Type: Sub-task
Components: Runtime / Coordination
Affects Versions: 1.13.0
Reporter: Till Rohrmann
Fix For: 1.13.0
Currently, the {{AdaptiveScheduler}} creates the {{ExecutionGraph}} in the main
thread. This also means that we are recovering state in the {{JobMasters's}}
main thread. This can lead to instabilities because we are blocking the main
thread for too long. I think the creation of the {{ExecutionGraph}} should
happen in an {{ioExecutor}}.
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