Sam Whittle created BEAM-12776:
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Summary: Improve parallelism of closing files in FileIO
Key: BEAM-12776
URL: https://issues.apache.org/jira/browse/BEAM-12776
Project: Beam
Issue Type: Bug
Components: io-java-files
Reporter: Sam Whittle
Assignee: Sam Whittle
Currently close happens in processElement which is per-window.
If there are many windows firing this can throttle throughput waiting for IO
instead of closing in parallel in finishBundle.
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