Github user taoli91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/12693#discussion_r61045541
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/CheckpointSuite.scala ---
@@ -644,8 +644,10 @@ class CheckpointSuite extends TestSuiteBase with
DStreamCheckpointTester
val mappedStream = fileStream.map(s => {
val i = s.toInt
if (i == 3) {
- while (CheckpointSuite.batchThreeShouldBlockIndefinitely) {
- Thread.sleep(Long.MaxValue)
+ if (CheckpointSuite.batchThreeShouldBlockIndefinitely) {
+ // It's not a good idea to let the thread run forever
+ // as resource won't be correctly released
+ Thread.sleep(6000)
--- End diff --
@srowen It's a bit hacky here, but I can't find a good way. The problem
here is that, if the Task here waits indefinitely, and the `reader` in the
`NewHadoopRDD` will never get a chance to close. And the file handle held by it
cannot be deleted by windows.
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