szehon-ho commented on PR #49766: URL: https://github.com/apache/spark/pull/49766#issuecomment-2784608521
@guangyu-yang-rokt yea its right, by design in SPJ the number of Iceberg partitions is equal to number of Spark partitions, so sizing that is critical. There is an option to enable more parallelism in spark.sql.sources.v2.bucketing.partiallyClusteredDistribution.enabled, but it leads to more times the data read, and doesnt work in all cases (not FULL OUTER joins) -- 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: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org