Github user sryza commented on a diff in the pull request:
https://github.com/apache/spark/pull/2968#discussion_r20055135
--- Diff:
core/src/test/scala/org/apache/spark/metrics/InputOutputMetricsSuite.scala ---
@@ -73,4 +78,32 @@ class InputMetricsSuite extends FunSuite with
SharedSparkContext {
assert(taskBytesRead.length == 2)
assert(taskBytesRead.sum >= file.length())
}
+
+ test("output metrics when writing text file") {
+ val fs = FileSystem.getLocal(new Configuration())
+ val outPath = new Path(fs.getWorkingDirectory, "outdir")
+
+ if (SparkHadoopUtil.get.getFSBytesWrittenOnThreadCallback(outPath,
fs.getConf).isDefined) {
--- End diff --
Yeah, I had this same thought, but I can't think of any good way to prevent
this. Note that the other tests in this class have the same problem.
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