alamb commented on pull request #1596: URL: https://github.com/apache/arrow-datafusion/pull/1596#issuecomment-1015832526
> more than 70% of the time is spent on SortKeyCursor::compare, which deteriorates to item-wise comparison, compared to Arrow sort kernel which is compared on Array. There is a bunch of other overhead in that column I suspect we could avoid with some additional engineering (follow on PRs) such as the use of an `RWLock` to defer the comparator initialization, for example -- 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]
