Aitozi opened a new pull request #8479: [FLINK-11193][State Backends]Use user passed configuration overriding default configuration loading from file URL: https://github.com/apache/flink/pull/8479 ## What is the purpose of the change As described in the [jira](https://issues.apache.org/jira/browse/FLINK-11193), User's customize configuration which is configured by `backend.configure()` method will be override by the configuration loading from flink-conf.yaml. I think the config in the code should has a higher priority than the default file configuration. ## Brief change log Merge configuration before create the new state backend. ## Verifying this change Adding a test case to verify. This change added tests and can be verified as follows: *(example:)* - *Added integration tests for end-to-end deployment with large payloads (100MB)* - *Extended integration test for recovery after master (JobManager) failure* - *Added test that validates that TaskInfo is transferred only once across recoveries* - *Manually verified the change by running a 4 node cluser with 2 JobManagers and 4 TaskManagers, a stateful streaming program, and killing one JobManager and two TaskManagers during the execution, verifying that recovery happens correctly.* ## 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, Yarn/Mesos, 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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