attilapiros commented on a change in pull request #32287:
URL: https://github.com/apache/spark/pull/32287#discussion_r620335687
##########
File path:
core/src/test/scala/org/apache/spark/storage/ShuffleBlockFetcherIteratorSuite.scala
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@@ -48,15 +49,22 @@ class ShuffleBlockFetcherIteratorSuite extends
SparkFunSuite with PrivateMethodT
// in the presence of faults.
/** Creates a mock [[BlockTransferService]] that returns data from the given
map. */
- private def createMockTransfer(data: Map[BlockId, ManagedBuffer]):
BlockTransferService = {
+ private def createMockTransfer(
+ data: Map[BlockId, ManagedBuffer],
+ throwNettyOOM: Boolean = false): BlockTransferService = {
val transfer = mock(classOf[BlockTransferService])
+ var hasThrowOOM = false
when(transfer.fetchBlocks(any(), any(), any(), any(), any(),
any())).thenAnswer(
(invocation: InvocationOnMock) => {
val blocks = invocation.getArguments()(3).asInstanceOf[Array[String]]
val listener =
invocation.getArguments()(4).asInstanceOf[BlockFetchingListener]
+ val OOMBlockIndex = new
Random(System.currentTimeMillis()).nextInt(blocks.length)
Review comment:
I would avoid the random here but if you would like to keep this then
let's log out this index to make the run more reproducible.
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