ferenc-csaky opened a new pull request, #25956:
URL: https://github.com/apache/flink/pull/25956
## What is the purpose of the change
Fixes the test executed by `test_netty_shuffle_memory_control.sh` that can
possibly fail the CI in case Netty4 cannot reserve enough memory, hence Pekko
is not able to start up.
## Brief change log
- Set `io.netty.tryReflectionSetAccessible=true` for TMs, which reduces
Netty4 memory footprint.
## Verifying this change
Existing test should run consistently.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? handled in different PR
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