rdettai edited a comment on pull request #6949: URL: https://github.com/apache/arrow/pull/6949#issuecomment-618997029
> Originally we designed it this way so that we can concurrently read multiple column chunks after obtaining file handle from a single row group. Since the file handle is shared between these we wanted to provide thread safety on top of it. I'm not sure to understand how this could be the concern of the `FileSource`. It's the reader (file handle) that is passed to it that should be thread safe, and `FileSource` should not create the Mutex himself. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected]
