venkata91 commented on pull request #33644: URL: https://github.com/apache/spark/pull/33644#issuecomment-894400752
Extra shuffle and the additional scheduling overhead for the 1 task foldByKey operation. This can be slightly high for trivial `treeAggregate` operations, in that case it makes sense to control this behavior under a flag. Thoughts? -- 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]
