xuanyuanking commented on a change in pull request #23396: [SPARK-26397][SQL]
Driver side only metrics support
URL: https://github.com/apache/spark/pull/23396#discussion_r247798298
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/DataSourceScanExec.scala
##########
@@ -167,26 +167,17 @@ case class FileSourceScanExec(
partitionSchema = relation.partitionSchema,
relation.sparkSession.sessionState.conf)
- val driverMetrics: HashMap[String, Long] = HashMap.empty
-
- /**
- * Send the driver-side metrics. Before calling this function,
selectedPartitions has
- * been initialized. See SPARK-26327 for more details.
- */
- private def sendDriverMetrics(): Unit = {
- driverMetrics.foreach(e => metrics(e._1).add(e._2))
- val executionId =
sparkContext.getLocalProperty(SQLExecution.EXECUTION_ID_KEY)
- SQLMetrics.postDriverMetricUpdates(sparkContext, executionId,
- metrics.filter(e => driverMetrics.contains(e._1)).values.toSeq)
- }
+ driverMetrics ++=
+ Map("numFiles" -> SQLMetrics.createMetric(sparkContext, "number of files"),
+ "metadataTime" -> SQLMetrics.createMetric(sparkContext, "metadata time
(ms)"))
Review comment:
Copy that, thanks for your advice Wenchen.
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