public virtual void TestSimpleByteArrays()
{
MemoryMXBean memoryMXBean = ManagementFactory.MemoryMXBean;
object[][] all = new object[0][];
try
{
while (true)
{
// Check the current memory consumption and provide the estimate.
CauseGc();
MemoryUsage mu = memoryMXBean.HeapMemoryUsage;
long estimated = ShallowSizeOf(all);
if (estimated > 50 * RamUsageEstimator.ONE_MB)
{
break;
}
Console.WriteLine(string.format(Locale.ROOT, "%10s\t%10s\t%10s", RamUsageEstimator.humanReadableUnits(mu.Used), RamUsageEstimator.humanReadableUnits(mu.Max), RamUsageEstimator.humanReadableUnits(estimated)));
// Make another batch of objects.
object[] seg = new object[10000];
all = Arrays.copyOf(all, all.Length + 1);
all[all.Length - 1] = seg;
for (int i = 0; i < seg.Length; i++)
{
seg[i] = new sbyte[Random().Next(7)];
}
}
}
catch (System.OutOfMemoryException e)
{
// Release and quit.
}
}
public virtual void TestLargeSetOfByteArrays()
{
MemoryMXBean memoryMXBean = ManagementFactory.MemoryMXBean;
CauseGc();
long before = memoryMXBean.HeapMemoryUsage.Used;
object[] all = new object[1000000];
for (int i = 0; i < all.Length; i++)
{
all[i] = new sbyte[Random().Next(3)];
}
CauseGc();
long after = memoryMXBean.HeapMemoryUsage.Used;
Console.WriteLine("mx: " + RamUsageEstimator.humanReadableUnits(after - before));
Console.WriteLine("rue: " + RamUsageEstimator.humanReadableUnits(ShallowSizeOf(all)));
Guard = all;
}
