mbutrovich commented on code in PR #4128:
URL: https://github.com/apache/datafusion-comet/pull/4128#discussion_r3155655379
##########
spark/src/test/scala/org/apache/comet/CometIcebergNativeSuite.scala:
##########
@@ -2764,4 +2769,82 @@ class CometIcebergNativeSuite extends CometTestBase with
RESTCatalogHelper {
}
}
}
+
+ test("task-level inputMetrics.bytesRead is populated for Iceberg native
scan") {
+ assume(icebergAvailable, "Iceberg not available in classpath")
+
+ withTempIcebergDir { warehouseDir =>
+ withSQLConf(
+ "spark.sql.catalog.test_cat" ->
"org.apache.iceberg.spark.SparkCatalog",
+ "spark.sql.catalog.test_cat.type" -> "hadoop",
+ "spark.sql.catalog.test_cat.warehouse" -> warehouseDir.getAbsolutePath,
+ CometConf.COMET_ENABLED.key -> "true",
+ CometConf.COMET_EXEC_ENABLED.key -> "true",
+ CometConf.COMET_ICEBERG_NATIVE_ENABLED.key -> "true") {
+
+ spark.sql("""
+ CREATE TABLE test_cat.db.task_metrics_test (
+ id INT,
+ value DOUBLE
+ ) USING iceberg
+ """)
+
+ spark
+ .range(10000)
+ .selectExpr("CAST(id AS INT)", "CAST(id * 1.5 AS DOUBLE) as value")
+ .coalesce(1)
+ .write
+ .format("iceberg")
+ .mode("append")
+ .saveAsTable("test_cat.db.task_metrics_test")
+
+ val bytesReadValues = mutable.ArrayBuffer.empty[Long]
+ val recordsReadValues = mutable.ArrayBuffer.empty[Long]
+
+ val listener = new SparkListener {
+ override def onTaskEnd(taskEnd: SparkListenerTaskEnd): Unit = {
+ val im = taskEnd.taskMetrics.inputMetrics
+ if (im.bytesRead > 0) {
+ bytesReadValues.synchronized {
+ bytesReadValues += im.bytesRead
+ recordsReadValues += im.recordsRead
+ }
+ }
+ }
+ }
+ spark.sparkContext.addSparkListener(listener)
+
+ try {
+ val df = spark.sql("SELECT * FROM test_cat.db.task_metrics_test")
+
+ val scanNodes = df.queryExecution.executedPlan
+ .collectLeaves()
+ .collect { case s: CometIcebergNativeScanExec => s }
+ assert(scanNodes.nonEmpty, "Expected CometIcebergNativeScanExec in
plan")
+
+ df.collect()
+
+ // listenerBus.waitUntilEmpty() is package-private to
org.apache.spark
+ Thread.sleep(1000)
Review Comment:
> the same as `CometTaskMetricSuite`
That's under `org.apache.spark.sql.comet` so it doesn't have this issue.
I'll re-export it like @andygrove suggested.
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