wirybeaver commented on issue #1359: URL: https://github.com/apache/datafusion-ballista/issues/1359#issuecomment-4549774371
Hi @milenkovicm, I wanted to clarify the purpose of "switch from streaming agg to hash agg". Is it a correct defensive or performance improvement? If it's the correct defensive, I believe AQE already did that well. Basically, the ShuffleReaderExec advertises blank eq_properties, so the per-stage AggregateExec is auto-rebuilt as Linear (i.e. Hash). Streaming agg never runs over hash-shuffled data. -- 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]
