Github user brkyvz commented on a diff in the pull request: https://github.com/apache/spark/pull/21126#discussion_r183533297 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/ProgressReporter.scala --- @@ -207,62 +209,92 @@ trait ProgressReporter extends Logging { return ExecutionStats(Map.empty, stateOperators, watermarkTimestamp) } - // We want to associate execution plan leaves to sources that generate them, so that we match - // the their metrics (e.g. numOutputRows) to the sources. To do this we do the following. - // Consider the translation from the streaming logical plan to the final executed plan. - // - // streaming logical plan (with sources) <==> trigger's logical plan <==> executed plan - // - // 1. We keep track of streaming sources associated with each leaf in the trigger's logical plan - // - Each logical plan leaf will be associated with a single streaming source. - // - There can be multiple logical plan leaves associated with a streaming source. - // - There can be leaves not associated with any streaming source, because they were - // generated from a batch source (e.g. stream-batch joins) - // - // 2. Assuming that the executed plan has same number of leaves in the same order as that of - // the trigger logical plan, we associate executed plan leaves with corresponding - // streaming sources. - // - // 3. For each source, we sum the metrics of the associated execution plan leaves. - // - val logicalPlanLeafToSource = newData.flatMap { case (source, logicalPlan) => - logicalPlan.collectLeaves().map { leaf => leaf -> source } + val numInputRows = extractSourceToNumInputRows() + + val eventTimeStats = lastExecution.executedPlan.collect { + case e: EventTimeWatermarkExec if e.eventTimeStats.value.count > 0 => + val stats = e.eventTimeStats.value + Map( + "max" -> stats.max, + "min" -> stats.min, + "avg" -> stats.avg.toLong).mapValues(formatTimestamp) + }.headOption.getOrElse(Map.empty) ++ watermarkTimestamp + + ExecutionStats(numInputRows, stateOperators, eventTimeStats) + } + + /** Extract number of input sources for each streaming source in plan */ + private def extractSourceToNumInputRows(): Map[BaseStreamingSource, Long] = { + + def sumRows(tuples: Seq[(BaseStreamingSource, Long)]): Map[BaseStreamingSource, Long] = { + tuples.groupBy(_._1).mapValues(_.map(_._2).sum) // sum up rows for each source } - val allLogicalPlanLeaves = lastExecution.logical.collectLeaves() // includes non-streaming - val allExecPlanLeaves = lastExecution.executedPlan.collectLeaves() - val numInputRows: Map[BaseStreamingSource, Long] = + + val onlyDataSourceV2Sources = { + // Check whether the streaming query's logical plan has only V2 data sources + val allStreamingLeaves = + logicalPlan.collect { case s: StreamingExecutionRelation => s } + allStreamingLeaves.forall { _.source.isInstanceOf[MicroBatchReader] } --- End diff -- we don't have a way to track these for ContinuousProcessing at the moment?
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