Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/6707#discussion_r52854271
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/ReceivedBlockHandlerSuite.scala
---
@@ -174,6 +176,130 @@ class ReceivedBlockHandlerSuite
}
}
+ test("Test Block - count messages") {
+ // Test count with BlockManagedBasedBlockHandler
+ testCountWithBlockManagerBasedBlockHandler(true)
+ // Test count with WriteAheadLogBasedBlockHandler
+ testCountWithBlockManagerBasedBlockHandler(false)
+ }
+
+ test("Test Block - isFullyConsumed") {
+ val sparkConf = new SparkConf()
+ sparkConf.set("spark.storage.unrollMemoryThreshold", "512")
+ // spark.storage.unrollFraction set to 0.4 for BlockManager
+ sparkConf.set("spark.storage.unrollFraction", "0.4")
+ // Block Manager with 12000 * 0.4 = 4800 bytes of free space for unroll
+ blockManager = createBlockManager(12000, sparkConf)
+
+ // there is not enough space to store this block in MEMORY,
+ // But BlockManager will be able to sereliaze this block to WAL
+ // and hence count returns correct value.
+ testRecordcount(false, StorageLevel.MEMORY_ONLY,
+ IteratorBlock((List.fill(70)(new Array[Byte](100))).iterator),
blockManager, Some(70))
+
+ // there is not enough space to store this block in MEMORY,
+ // But BlockManager will be able to sereliaze this block to DISK
+ // and hence count returns correct value.
+ testRecordcount(true, StorageLevel.MEMORY_AND_DISK,
+ IteratorBlock((List.fill(70)(new Array[Byte](100))).iterator),
blockManager, Some(70))
+
+ // there is not enough space to store this block With MEMORY_ONLY
StorageLevel.
+ // BlockManager will not be able to unroll this block
+ // and hence it will not tryToPut this block, resulting the
SparkException
+ storageLevel = StorageLevel.MEMORY_ONLY
+ withBlockManagerBasedBlockHandler { handler =>
+ val thrown = intercept[SparkException] {
--- End diff --
Kind of weird to assign the exception to a variable and then not write any
asserts over the exception or its message.
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