XComp opened a new pull request, #22844: URL: https://github.com/apache/flink/pull/22844
* https://github.com/apache/flink/pull/21742 * https://github.com/apache/flink/pull/22379 * https://github.com/apache/flink/pull/22422 * https://github.com/apache/flink/pull/22380 * https://github.com/apache/flink/pull/22623 * https://github.com/apache/flink/pull/22384 * https://github.com/apache/flink/pull/22390 * https://github.com/apache/flink/pull/22404 * https://github.com/apache/flink/pull/22601 * https://github.com/apache/flink/pull/22642 * https://github.com/apache/flink/pull/22640 * https://github.com/apache/flink/pull/22656 * https://github.com/apache/flink/pull/22828 * https://github.com/apache/flink/pull/22830 * https://github.com/apache/flink/pull/22829 * https://github.com/apache/flink/pull/22661 * === THIS PR === FLINK-31784 ## What is the purpose of the change Replacing the `leaderContender` and `contenderID` fields in `DefaultLeaderElectionService` with a `leaderContenderRegistry` that allows adding multiple contenders. ## Brief change log * Removes `DefaultLeaderElectionService` fields `leaderContender` and `contenderID` * Adds `DefaultLeaderElectionService#leaderContenderRegistry` * Makes `MultpleComponentLeaderElectionDriver.Listener` interface methods first-class citizens and let the `LeaderElectionEventHandler` interface call those * Introduces `contenderID` in `EmbeddedLeaderElection` to allow logging * Removes `LeaderContender#getDescription()` ## Verifying this change * Added multi-component support test scenarios to `DefaultLeaderElectionServiceTest` * Copied relevant tests over from `DefaultMultipleComponentLeaderElectionServiceTest` ## 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: yes - The S3 file system connector: no ## Documentation - Does this pull request introduce a new feature? no - If yes, how is the feature documented? not applicable -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
