alamb commented on PR #19562: URL: https://github.com/apache/datafusion/pull/19562#issuecomment-3719672572
> This is the comparison output and it's not great 😞 At first glance mainly topk queries are impacted by the perf regression I suspect the queries that are most impacted are ones with high group counts (high cardinality grouping). I think we would need to actually change the storage to be chunked rather than just the emission part -- 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]
