Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/8844#discussion_r39935722
--- Diff:
core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala ---
@@ -474,9 +495,9 @@ class DAGSchedulerSuite
test("run trivial shuffle with fetch failure") {
val shuffleMapRdd = new MyRDD(sc, 2, Nil)
- val shuffleDep = new ShuffleDependency(shuffleMapRdd, null)
+ val shuffleDep = new ShuffleDependency(shuffleMapRdd, new
HashPartitioner(2))
--- End diff --
These changes were needed because the new
MapOutputTracker.getPreferredLocationsForShuffle figures out the number of
partitions from the shuffle dependency's partitioner, so we could no longer
pass in null as the partitioner.
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