private async Task SetDataPerformanceTest(IRingMasterRequestHandler ringMasterClient, ConfigurationSection config, CancellationToken cancellationToken)
{
try
{
string testRootPath = config.GetStringValue("TestPath");
int maxConcurrentSetDataBatches = config.GetIntValue("MaxConcurrentBatches");
int maxNodes = config.GetIntValue("MaxNodesToLoad");
int batchLength = config.GetIntValue("BatchLength");
ControlPlaneStressServiceEventSource.Log.SetDataPerformanceTestStarted(testRootPath, maxNodes, batchLength);
var instrumentation = new SetDataPerformanceInstrumentation(this.MetricsFactory);
var setDataPerformanceTest = new SetDataPerformance(instrumentation, maxConcurrentSetDataBatches, cancellationToken);
setDataPerformanceTest.MinDataSizePerNode = config.GetIntValue("MinDataSizePerNode");
setDataPerformanceTest.MaxDataSizePerNode = config.GetIntValue("MaxDataSizePerNode");
await setDataPerformanceTest.LoadNodes(ringMasterClient, testRootPath, maxNodes);
await Task.Run(() => setDataPerformanceTest.QueueRequests(ringMasterClient, batchLength));
ControlPlaneStressServiceEventSource.Log.SetDataPerformanceTestCompleted();
}
catch (Exception ex)
{
ControlPlaneStressServiceEventSource.Log.SetDataPerformanceTestFailed(ex.ToString());
}
}
/// <summary>
/// Measures the performance of SetData requests.
/// </summary>
/// <param name="ringMaster">RingMaster client</param>
/// <returns>Task that tracks execution of this test</returns>
private async Task SetDataPerformanceTest(IRingMasterRequestHandler ringMaster)
{
Trace.TraceInformation($"SetData performance test path={this.TestPath}");
var cancellationToken = CancellationToken.None;
var instrumentation = new SetDataPerformanceInstrumentation();
var setDataPerformanceTest = new SetDataPerformance(instrumentation, this.MaxConcurrency, CancellationToken.None);
await setDataPerformanceTest.LoadNodes(ringMaster, this.TestPath, this.MaxNodes, this.MaxGetChildrenEnumerationCount);
var task = Task.Run(() => setDataPerformanceTest.QueueRequests(ringMaster, this.BatchLength, this.MaxSetOperations));
long lastSuccessCount = 0;
var timer = Stopwatch.StartNew();
while (!task.Wait(5000))
{
timer.Stop();
long rate = (long)((instrumentation.Success - lastSuccessCount) * 1000) / timer.ElapsedMilliseconds;
Trace.TraceInformation($"SetData success={instrumentation.Success}, failure={instrumentation.Failure}, rate={rate}");
timer.Restart();
lastSuccessCount = instrumentation.Success;
}
}
