mapleFU commented on issue #38032: URL: https://github.com/apache/arrow/issues/38032#issuecomment-1755596041
> 10s is an optimization, I think it's because Default prefetch driver works a bit better than Lazy, since it will try it best to send io requests. But I don't know how these requests takes. I think they both use underlying C++ impl, but with different argument. R SDK should better has way to set the logging and CacheOptions... The performance is come from PreBuffer I think. -- 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]
