Dandandan commented on pull request #68: URL: https://github.com/apache/arrow-datafusion/pull/68#issuecomment-922249010
Also comparing profiles reveals that the arrow2 spends more time / cycles in reading parquet data, e.g. for the first query about 43% of the time vs 37% in the master branch. Some hot functions: _$LT$parquet2..encoding..hybrid_rle..HybridRleDecoder$u20$as$u20$core..iter..traits..iterator..Iterator$GT$::next:: arrow2::io::parquet::read::binary::basic::iter_to_array:: _$LT$arrow2..buffer..mutable..MutableBuffer$LT$A$GT$$u20$as$u20$core..iter..traits..collect..Extend$LT$A$GT$$GT$::extend -- 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]
