andygrove commented on issue #1268: URL: https://github.com/apache/datafusion-comet/issues/1268#issuecomment-3553396440
Here is some debug output from `ordered distribution and sort with same exprs: append` when running with Comet enabled: Columnar shuffle wrote the following shuffle bytes (using the default lz4 compression). ``` wrote 434 shuffle bytes wrote 0 shuffle bytes wrote 0 shuffle bytes wrote 447 shuffle bytes wrote 443 shuffle bytes wrote 435 shuffle bytes wrote 0 shuffle bytes wrote 0 shuffle bytes wrote 0 shuffle bytes wrote 0 shuffle bytes wrote 434 shuffle bytes wrote 0 shuffle bytes wrote 0 shuffle bytes wrote 435 shuffle bytes wrote 446 shuffle bytes ``` Comet output these shuffle stats: ``` mapOutputStatistics: 890,445,490,890,490 ``` When running in Spark, the stats are: ``` mapOutputStatistics: 152,106,106,160,97 ``` -- 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]
