public void ApplyLoadToTheStorageMirrorTest()
{
#region ARRANGE
PerformanceCounter counterCPU;
PerformanceCounter counterRAM;
BlockingCollection <float> metricsCPU;
BlockingCollection <float> metricsRAM;
counterCPU = new PerformanceCounter("Processor", "% Processor Time", "_Total");
counterRAM = new PerformanceCounter("Memory", "Available MBytes");
metricsCPU = new BlockingCollection <float>(100000);
metricsRAM = new BlockingCollection <float>(100000);
Timer timerCPU;
timerCPU = new Timer((state) =>
{
if (metricsCPU.IsAddingCompleted)
{
float oldest = metricsCPU.FirstOrDefault();
metricsCPU.TryTake(out oldest);
}
metricsCPU.TryAdd(counterCPU.NextValue());
}, null, 1000, 10);
Timer timerRAM;
timerRAM = new Timer((state) =>
{
if (metricsRAM.IsAddingCompleted)
{
float oldest = metricsRAM.FirstOrDefault();
metricsRAM.TryTake(out oldest);
}
metricsRAM.TryAdd(counterRAM.NextValue());
}, null, 1000, 10);
counterCPU.NextValue();
var memoryBefore = counterRAM.NextValue();
Thread.Sleep(1000); // Per MSDN suggestion when using PerformanceCounter mechanism...
int totalCandidates = 1000000;
int countCallbacks = 0;
var random = new Random();
var data = Enumerable.Range(1, totalCandidates).OrderBy(i => random.Next(1, totalCandidates));
CountdownEvent countdown = new CountdownEvent(totalCandidates);
TheStorageMirror <TheStorageEngineTSM> mirror;
mirror = new TheStorageMirror <TheStorageEngineTSM>(TheCDEngines.MyIStorageService)
{
IsRAMStore = true,
CacheStoreInterval = 1,
IsStoreIntervalInSeconds = true,
IsCachePersistent = true,
UseSafeSave = true,
AllowFireUpdates = true,
};
#endregion
#region ACT
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
try
{
Parallel.ForEach(data, currentNumber =>
{
mirror.AddAnItem(
new TheStorageEngineTSM()
{
TXTPattern = currentNumber.ToString()
},
state =>
{
Interlocked.Increment(ref countCallbacks);
countdown.Signal();
});
});
}
catch (Exception ex)
{
Assert.IsTrue(true, ex.Message);
}
countdown.Wait();
stopwatch.Stop();
timerCPU.Change(Timeout.Infinite, Timeout.Infinite);
timerCPU.Dispose();
timerRAM.Change(Timeout.Infinite, Timeout.Infinite);
timerRAM.Dispose();
counterCPU?.Dispose();
counterRAM?.Dispose();
countdown?.Dispose();
mirror?.Dispose();
#endregion
#region ASSERT
float avgCPU = metricsCPU.Average();
float maxCPU = 99f;
float avgRAM = metricsRAM.Average();
float maxRAM = memoryBefore + 1000f;
Assert.IsTrue(
(avgCPU <= maxCPU && avgRAM <= maxRAM && totalCandidates == countCallbacks),
buildSummary(totalCandidates,
stopwatch.ElapsedMilliseconds,
avgCPU,
maxCPU,
avgRAM,
maxRAM));
#endregion
}
