Dandandan commented on PR #21240: URL: https://github.com/apache/datafusion/pull/21240#issuecomment-4180195873
Seems that mainly CoalescePartitions is helpful for TPC-DS SF=1 (and slightly for TPCH). https://github.com/apache/datafusion/pull/21326#issuecomment-4180105805 That benchmark has very limited parallelism (because of single-rowgroup tables). SortPreservingMergeExec doesn't seem to do much so far as I can see (which I think makes sense as it will be mostly used in the root. -- 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]
