jrthe42 opened a new pull request #11571: [FLINK-16710][runtime] Log Upload blocks Main Thread in TaskExecutor URL: https://github.com/apache/flink/pull/11571 ## What is the purpose of the change TaskExecutors upload logs to BlobServer in main thread, which may cause main thread blocked. This pr intraduce a separate IO thread pool to carries out file system accesses (listing files in a directory, checking if file exists, uploading files). ## Brief change log - *TaskExecutors upload logs to BlobServer using a separate IO thread pool* ## Verifying this change This change is a trivial rework / code cleanup without any test coverage. ## 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/Mesos, 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? (not applicable)
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