Abacn commented on PR #39993: URL: https://github.com/apache/beam/pull/39993#issuecomment-5620250926
> Downsides: Finalization adds one existence lookup per temporary file This is a significant performance concern we should revisit. It's a common use case FileIO processing millions of files and a known bottleneck to listing metadata from gcs files (#20137). I remember each GET call takes ~100 ms. This adds hours of wall time when write to large number of files -- 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]
