chenkovsky commented on PR #15867: URL: https://github.com/apache/datafusion/pull/15867#issuecomment-2837256602
@jayzhan211 I think the root cause of poor performance is that, orginal plan can count parallelly, but current plan is actually blocked on final aggregation. I think I' trying to modify physical plan to make count distinct more efficient. -- 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...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org