pitrou opened a new pull request, #13264: URL: https://github.com/apache/arrow/pull/13264
`read1(nbytes=None)` should not read the entire input stream but instead return a reasonable amount of bytes, suitable for building up an internal buffer. Should fix the performance issue when using `TextIOWrapper` or `pandas.read_csv` on a S3 input file. -- 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: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org