viirya commented on a change in pull request #33975: URL: https://github.com/apache/spark/pull/33975#discussion_r707494550
########## File path: sql/core/src/main/scala/org/apache/spark/sql/execution/dynamicpruning/PartitionPruning.scala ########## @@ -177,6 +177,26 @@ object PartitionPruning extends Rule[LogicalPlan] with PredicateHelper with Join } } + /** + * Calculates a heuristic overhead of a logical plan. Normally it returns the total + * size in bytes of all scan relations. We don't count in-memory relation which uses + * memory. + */ + private def calculatePlanOverhead(plan: LogicalPlan): Float = { + val (cached, notCached) = plan.collectLeaves().partition(p => p match { + case _: InMemoryRelation => true + case _ => false + }) + val scanOverhead = notCached.map(_.stats.sizeInBytes).sum.toFloat + val cachedOverhead = cached.map { + case m: InMemoryRelation if m.cacheBuilder.storageLevel.useDisk => + m.stats.sizeInBytes.toFloat * 0.2 Review comment: Oh, I forgot that these two flags are not exclusive. -- 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