squito commented on a change in pull request #23453: [SPARK-26089][CORE] Handle
corruption in large shuffle blocks
URL: https://github.com/apache/spark/pull/23453#discussion_r253136689
##########
File path:
core/src/test/scala/org/apache/spark/storage/ShuffleBlockFetcherIteratorSuite.scala
##########
@@ -461,10 +485,68 @@ class ShuffleBlockFetcherIteratorSuite extends
SparkFunSuite with PrivateMethodT
Int.MaxValue,
Int.MaxValue,
true,
+ true,
+ taskContext.taskMetrics.createTempShuffleReadMetrics())
+ // Only one block should be returned which has corruption after
maxBytesInFlight/3
+ val (id, st) = iterator.next()
+ assert(id === ShuffleBlockId(0, 1, 0))
+ intercept[FetchFailedException] { iterator.next(); iterator.next() }
Review comment:
I'm a little confused here -- why do you need to call iterator.next() twice?
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