Sandeep Katta created SPARK-37578:
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Summary: DSV2 is not updating Output Metrics
Key: SPARK-37578
URL: https://issues.apache.org/jira/browse/SPARK-37578
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 3.1.2, 3.0.3
Reporter: Sandeep Katta
Repro code
./bin/spark-shell --master local --jars
/Users/jars/iceberg-spark3-runtime-0.12.1.jar
{code:java}
import scala.collection.mutable
import org.apache.spark.scheduler._val bytesWritten = new
mutable.ArrayBuffer[Long]()
val recordsWritten = new mutable.ArrayBuffer[Long]()
val bytesWrittenListener = new SparkListener() {
override def onTaskEnd(taskEnd: SparkListenerTaskEnd): Unit = {
bytesWritten += taskEnd.taskMetrics.outputMetrics.bytesWritten
recordsWritten += taskEnd.taskMetrics.outputMetrics.recordsWritten
}
}
spark.sparkContext.addSparkListener(bytesWrittenListener)
try {
val df = spark.range(1000).toDF("id")
df.write.format("iceberg").save("Users/data/dsv2_test")
assert(bytesWritten.sum > 0)
assert(recordsWritten.sum > 0)
} finally {
spark.sparkContext.removeSparkListener(bytesWrittenListener)
} {code}
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