Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/16989#discussion_r114954940
--- Diff:
core/src/test/scala/org/apache/spark/storage/ShuffleBlockFetcherIteratorSuite.scala
---
@@ -401,4 +424,74 @@ class ShuffleBlockFetcherIteratorSuite extends
SparkFunSuite with PrivateMethodT
assert(id3 === ShuffleBlockId(0, 2, 0))
}
+ test("Blocks should be shuffled to disk when size is above the
threshold, otherwise to memory.") {
+ val blockManager = mock(classOf[BlockManager])
+ val localBmId = BlockManagerId("test-client", "test-client", 1)
+ doReturn(localBmId).when(blockManager).blockManagerId
+
+ val diskBlockManager = mock(classOf[DiskBlockManager])
+ doReturn(new
File("shuffle-read-file")).when(diskBlockManager).getFile(any(classOf[String]))
+ doReturn(diskBlockManager).when(blockManager).diskBlockManager
+
+ val remoteBmId = BlockManagerId("test-client-1", "test-client-1", 2)
+ val remoteBlocks = Map[BlockId, ManagedBuffer](
+ ShuffleBlockId(0, 0, 0) -> createMockManagedBuffer(),
+ ShuffleBlockId(0, 1, 0) -> createMockManagedBuffer(),
+ ShuffleBlockId(0, 2, 0) -> createMockManagedBuffer())
+ val transfer = mock(classOf[BlockTransferService])
+ var shuffleFilesOpt: Option[Array[File]] = None
+ when(transfer.fetchBlocks(any(), any(), any(), any(), any(), any()))
+ .thenAnswer(new Answer[Unit] {
+ override def answer(invocation: InvocationOnMock): Unit = {
+ val listener =
invocation.getArguments()(4).asInstanceOf[BlockFetchingListener]
+ shuffleFilesOpt =
invocation.getArguments()(5).asInstanceOf[Option[Array[File]]]
+ Future {
+ listener.onBlockFetchSuccess(
+ ShuffleBlockId(0, 0, 0).toString,
remoteBlocks(ShuffleBlockId(0, 0, 0)))
+ listener.onBlockFetchSuccess(
+ ShuffleBlockId(0, 1, 0).toString,
remoteBlocks(ShuffleBlockId(0, 1, 0)))
+ listener.onBlockFetchSuccess(
+ ShuffleBlockId(0, 2, 0).toString,
remoteBlocks(ShuffleBlockId(0, 2, 0)))
+ }
+ }
+ })
+ val taskMemoryManager = mock(classOf[TaskMemoryManager])
+ when(taskMemoryManager.acquireExecutionMemory(any(), any()))
+ .thenAnswer(new Answer[Long] {
+ override def answer(invocationOnMock: InvocationOnMock): Long =
500L
+ })
+
+ val tc = new TaskContextImpl(0, 0, 0, 0, taskMemoryManager, new
Properties, null)
+
+ val blocksByAddress1 = Seq[(BlockManagerId, Seq[(BlockId, Long)])](
+ (remoteBmId, remoteBlocks.keys.map(blockId => (blockId,
100.asInstanceOf[Long])).toSeq))
--- End diff --
`100.asInstanceOf[Long]` -> `100L`
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