adriangb commented on PR #24858: URL: https://github.com/apache/datafusion/pull/24858#issuecomment-5603372223
> Some additional thoughts for follow-up: I think this scratch indices design is only efficient for low-cardinality cases. If the cardinality is very high, this optimization won't help and also wastes memory, so it could probably fall back to a different implementation when the group count is high. Tracked in https://github.com/apache/datafusion/issues/25116 -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
