HeartSaVioR commented on a change in pull request #24936: [SPARK-24634][SS] Add
a new metric regarding number of rows later than watermark plus allowed delay
URL: https://github.com/apache/spark/pull/24936#discussion_r329928176
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/ProgressReporter.scala
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@@ -201,26 +201,32 @@ trait ProgressReporter extends Logging {
}
/** Extract statistics about stateful operators from the executed query
plan. */
- private def extractStateOperatorMetrics(hasNewData: Boolean):
Seq[StateOperatorProgress] = {
+ private def extractStateOperatorMetrics(
+ hasNewData: Boolean,
+ runBatch: Boolean): Seq[StateOperatorProgress] = {
if (lastExecution == null) return Nil
- // lastExecution could belong to one of the previous triggers if
`!hasNewData`.
+ // lastExecution could belong to one of the previous triggers if
`!hasNewData && !runBatch`.
// Walking the plan again should be inexpensive.
lastExecution.executedPlan.collect {
case p if p.isInstanceOf[StateStoreWriter] =>
val progress = p.asInstanceOf[StateStoreWriter].getProgress()
- if (hasNewData) progress else progress.copy(newNumRowsUpdated = 0)
+ if (hasNewData || runBatch) {
Review comment:
Here `runBatch` is needed here because we don't want to reset the values for
`newNumLateInputRows` if batch ran, even the batch ran with empty data.
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