zsxwing commented on a change in pull request #24154: [SPARK-27210][SS] Cleanup
incomplete output files in ManifestFileCommitProtocol if task is aborted
URL: https://github.com/apache/spark/pull/24154#discussion_r267565331
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/streaming/FileStreamSinkSuite.scala
##########
@@ -478,4 +481,48 @@ class FileStreamSinkSuite extends StreamTest {
checkDatasetUnorderly(outputDf, 1, 2, 3)
}
}
+
+ test("cleanup incomplete output for aborted task") {
+ withSQLConf(("spark.sql.streaming.commitProtocolClass",
+ classOf[TaskFailToCommitManifestFileCommitProtocol].getCanonicalName)) {
+ withTempDir { tempDir =>
+ val checkpointDir = new File(tempDir, "chk")
+ val outputDir = new File(tempDir, "output")
+ val inputData = MemoryStream[Int]
+ inputData.addData(1, 2, 3)
+ val q = inputData.toDF()
Review comment:
you can call `inputData.toDS.map(_ / 0)` to fail a task rather than adding a
weird ManifestFileCommitProtocol.
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