dongjoon-hyun commented on a change in pull request #24005: [SPARK-27085][SQL]
Migrate CSV to File Data Source V2
URL: https://github.com/apache/spark/pull/24005#discussion_r268046812
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/FileBasedDataSourceSuite.scala
##########
@@ -470,22 +471,24 @@ class FileBasedDataSourceSuite extends QueryTest with
SharedSQLContext with Befo
}
test("SPARK-25237 compute correct input metrics in FileScanRDD") {
- withTempPath { p =>
- val path = p.getAbsolutePath
- spark.range(1000).repartition(1).write.csv(path)
- val bytesReads = new mutable.ArrayBuffer[Long]()
- val bytesReadListener = new SparkListener() {
- override def onTaskEnd(taskEnd: SparkListenerTaskEnd) {
- bytesReads += taskEnd.taskMetrics.inputMetrics.bytesRead
+ withSQLConf(SQLConf.USE_V1_SOURCE_READER_LIST.key -> "csv") {
+ withTempPath { p =>
+ val path = p.getAbsolutePath
+ spark.range(1000).repartition(1).write.csv(path)
+ val bytesReads = new mutable.ArrayBuffer[Long]()
+ val bytesReadListener = new SparkListener() {
+ override def onTaskEnd(taskEnd: SparkListenerTaskEnd) {
+ bytesReads += taskEnd.taskMetrics.inputMetrics.bytesRead
+ }
+ }
+ sparkContext.addSparkListener(bytesReadListener)
+ try {
+ spark.read.csv(path).limit(1).collect()
+ sparkContext.listenerBus.waitUntilEmpty(1000L)
+ assert(bytesReads.sum === 7860)
Review comment:
@gengliangwang , do we read less data in DSv2?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
