jeremy-degroot opened a new pull request, #20:
URL: https://github.com/apache/flink-connector-kafka/pull/20
## What is the purpose of the change
This PR adds a new method to KafkaSourceBuilder that sets the `client.id`
config for the KafkaSource to the value returned by the provided Supplier. It
needs to be a Supplier because it needs to run on the TaskManager, and can't be
determined at Job submit time like other configs.
## Brief change log
- *Add setRackId to KafkaSourceBuilder*
- *Plumb rackId into KafkaPartitionSplitReader*
- *Add rack id tests*
- *Document RackId feature*
## Verifying this change
- *Added tests for the KafkaSplitReader that verify behaviors for null
rackId Supplier, null and empty return values, and provided values.*
- *Manually verified the change by running a 3-node cluster that covered
two "racks" (AWS Availability Zones) against an Amazon MSK cluster.*
## 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)`: yes
- 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? yes
- If yes, how is the feature documented? docs/Javadocs
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