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Defeat early garbage collection of test suite variable #6010

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Defeat early garbage collection of test suite variable #6010

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1 change: 1 addition & 0 deletions core/src/test/scala/org/apache/spark/ContextCleanerSuite.scala
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Expand Up @@ -183,6 +183,7 @@ class ContextCleanerSuite extends ContextCleanerSuiteBase {
}

// Test that GC causes shuffle cleanup after dereferencing the RDD
rdd.count() // Defeat any early collection of rdd variable by the JVM
val postGCTester = new CleanerTester(sc, shuffleIds = Seq(0))
rdd = null // Make RDD out of scope, so that corresponding shuffle goes out of scope
runGC()
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