dawidwys opened a new pull request #18368:
URL: https://github.com/apache/flink/pull/18368
## What is the purpose of the change
I took over after #15509.
This PR imposes hard limits on the memory available to docker containers.
With the limits in place in case of an increased memory consumption docker will
kill the java process, instead of the system killing the docker container,
which should result in more insights into what is really going on.
## Brief change log
- Added hard memory limits to docker containers (6GB + no swap)
- Decreased the number of forks for table tests (Table tests fail reliably
with the limits in place. It is worth investigating separately if we can do
anything about that)
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / **no**)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no**
/ don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / **no** / don't
know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (yes / **no**)
- If yes, how is the feature documented? (**not applicable** / docs /
JavaDocs / not documented)
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