Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/19464#discussion_r144311831 --- Diff: core/src/test/scala/org/apache/spark/FileSuite.scala --- @@ -510,4 +510,65 @@ class FileSuite extends SparkFunSuite with LocalSparkContext { } } + test("allow user to filter out empty split (old Hadoop API)") { + val sf = new SparkConf() + sf.setAppName("test").setMaster("local").set(FILTER_OUT_EMPTY_SPLIT, true) + sc = new SparkContext(sf) + + // Ensure that if all of the splits are empty, we remove the splits correctly + val emptyRDD = sc.parallelize(Array.empty[Tuple2[String, String]], 1) + emptyRDD.saveAsHadoopFile[TextOutputFormat[String, String]](tempDir.getPath + "/output") --- End diff -- don't hardcode the path separator, use `new File(tempDir, output)`.
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