sjwiesman opened a new pull request #10979: [FLINK-15814][connectors] Log warning when StreamingFileSink is used with bulk output formats and an ambiguous S3 scheme URL: https://github.com/apache/flink/pull/10979 ## What is the purpose of the change StreamingFileSink does not properly work with bulk output formats and s3-presto. We should log a warning when the provided scheme is 's3p' or 's3' (which is ambiguous) explaining the potential issues and encourage users to only use 's3a' which always delegates to hadoop. ## Brief change log Add a WARN log when creating a bulk format for s3 and s3p scheme's. ## 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): (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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