gengliangwang commented on code in PR #56086:
URL: https://github.com/apache/spark/pull/56086#discussion_r3296016048
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core/src/test/scala/org/apache/spark/util/collection/SorterSuite.scala:
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@@ -17,13 +17,26 @@
package org.apache.spark.util.collection
+import java.lang.ref.WeakReference
import java.util.Arrays
+import java.util.concurrent.TimeUnit
import org.apache.spark.SparkFunSuite
import org.apache.spark.util.random.XORShiftRandom
class SorterSuite extends SparkFunSuite {
+ /** Run GC and wait until it has actually run, to free memory used by prior
tests. */
+ private def runGC(): Unit = {
Review Comment:
Thanks for the suggestion. `SorterSuite` is the only one I'm seeing flaky in
CI right now, so I'd prefer to keep this PR focused on fixing it.
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