Chesnay Schepler created FLINK-25006:
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Summary: Investigate memory issues on CI
Key: FLINK-25006
URL: https://issues.apache.org/jira/browse/FLINK-25006
Project: Flink
Issue Type: Sub-task
Components: Build System / CI
Reporter: Chesnay Schepler
During my tests with Java 17 I noticed significant speed regressions in tests
that actually run jobs, to the point where they effectively stalled. If they
managed to complete, then subsequent tests would also experience a significant
slowdown.
As an experiment I disable fork reuse, which very quickly resulted in direct
memory OOMs.
We need to investigate what is going on. I can provide logs and a branch with
Java 17 to anyone who is interested.
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