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8040250: The test test/gc/parallelScavenge/TestDynShrinkHeap.java fails with OOME

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Reviewed-by: jmasa, iignatyev
This commit is contained in:
Dmitry Fazunenko 2014-05-26 19:21:01 +04:00 committed by Igor Ignatyev
parent f65e3fcaac
commit ef1fa497b3
1 changed files with 5 additions and 5 deletions
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10
hotspot/test/gc/parallelScavenge/TestDynShrinkHeap.java
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@ -26,7 +26,7 @@
* @bug 8016479
* @summary Verify that the heap shrinks after full GC according to the current values of the Min/MaxHeapFreeRatio flags
* @library /testlibrary
* @run main/othervm -XX:+UseAdaptiveSizePolicyWithSystemGC -XX:+UseParallelGC -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 -verbose:gc TestDynShrinkHeap
* @run main/othervm -XX:+UseAdaptiveSizePolicyWithSystemGC -XX:+UseParallelGC -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 -Xmx1g -verbose:gc TestDynShrinkHeap
*/
import com.oracle.java.testlibrary.DynamicVMOption;
import java.lang.management.ManagementFactory;
@ -41,7 +41,7 @@ public class TestDynShrinkHeap {
public static final String MAX_FREE_RATIO_FLAG_NAME = "MaxHeapFreeRatio";
private static ArrayList<byte[]> list = new ArrayList<>(0);
private static final int M = 1024 * 1024; // to make heap more manageable by test code
private static final int LEN = 512 * 1024 + 1;
public TestDynShrinkHeap() {
}
@ -69,12 +69,12 @@ public class TestDynShrinkHeap {
}
private void eat() {
for (int i = 0; i < M; i++) {
for (int i = 0; i < LEN; i++) {
list.add(new byte[1024]);
}
MemoryUsagePrinter.printMemoryUsage("allocated " + M + " arrays");
MemoryUsagePrinter.printMemoryUsage("allocated " + LEN + " arrays");
list.subList(0, M / 2).clear();
list.subList(0, LEN / 2).clear();
System.gc();
MemoryUsagePrinter.printMemoryUsage("array halved");
}