public async Task RoutingDriverStressTestAsync(int queryCount)
{
const int taskCount = 5;
var startTime = DateTime.Now;
Output.WriteLine($"[{startTime:HH:mm:ss.ffffff}] Started");
var workItem = new SoakRunWorkItem(_driver, _metrics, Output);
var terminationTask = ConnectionTerminatorAsync();
var tasks = new List <Task>();
for (var i = 0; i < taskCount; i++)
{
tasks.Add(workItem.RunWithRetriesAsync(queryCount / taskCount));
}
await Task.WhenAll(tasks);
_cancellationTokenSource.Cancel();
await terminationTask;
var endTime = DateTime.Now;
Output.WriteLine($"[{endTime:HH:mm:ss.ffffff}] Finished");
Output.WriteLine($"Total time spent: {endTime - startTime}");
PrintStatistics();
await _driver.CloseAsync();
}
public async void SoakRunAsync(int threadCount)
{
var driver = GraphDatabase.Driver(RoutingServer, AuthToken, new Config
{
MetricsFactory = new DefaultMetricsFactory(),
ConnectionTimeout = Config.InfiniteInterval,
EncryptionLevel = EncryptionLevel.Encrypted,
MaxConnectionPoolSize = 100,
ConnectionAcquisitionTimeout = TimeSpan.FromMinutes(5)
});
try
{
var startTime = DateTime.Now;
Output.WriteLine($"[{startTime:HH:mm:ss.ffffff}] Started");
var metrics = ((Internal.Driver)driver).GetMetrics();
var workItem = new SoakRunWorkItem(driver, metrics, Output);
var tasks = new List <Task>();
for (var i = 0; i < threadCount; i++)
{
tasks.Add(workItem.RunAsync());
}
await Task.WhenAll(tasks);
var poolMetrics = metrics.ConnectionPoolMetrics;
Output.WriteLine(poolMetrics.ToContentString());
var endTime = DateTime.Now;
Output.WriteLine($"[{endTime:HH:mm:ss.ffffff}] Finished");
Output.WriteLine($"Total time spent: {endTime - startTime}");
foreach (var value in poolMetrics)
{
var st = value.Value;
st.Creating.Should().Be(0);
st.Closing.Should().Be(0);
st.InUse.Should().Be(0);
st.Idle.Should().Be((int)(st.Created - st.Closed + st.FailedToCreate));
}
}
finally
{
await driver.CloseAsync();
}
}
public void SoakRunTests(int threadCount)
{
var driver = GraphDatabase.Driver(RoutingServer, AuthToken, new Config
{
DriverMetricsEnabled = true,
ConnectionTimeout = Config.InfiniteInterval,
EncryptionLevel = EncryptionLevel.Encrypted,
MaxIdleConnectionPoolSize = 20,
MaxConnectionPoolSize = 50,
ConnectionAcquisitionTimeout = TimeSpan.FromMinutes(2)
});
var startTime = DateTime.Now;
Output.WriteLine($"[{startTime:HH:mm:ss.ffffff}] Started");
var metrics = ((Internal.Driver)driver).GetMetrics();
var workItem = new SoakRunWorkItem(driver, metrics, Output);
var tasks = new List <Task>();
for (var i = 0; i < threadCount; i++)
{
tasks.Add(workItem.Run());
}
Task.WaitAll(tasks.ToArray());
var poolMetrics = metrics.ConnectionPoolMetrics;
Output.WriteLine(poolMetrics.ToContentString());
var endTime = DateTime.Now;
Output.WriteLine($"[{endTime:HH:mm:ss.ffffff}] Finished");
Output.WriteLine($"Total time spent: {endTime - startTime}");
foreach (var value in poolMetrics)
{
var st = value.Value;
st.Creating.Should().Be(0);
st.Closing.Should().Be(0);
st.InUse.Should().Be(0);
st.Idle.Should().Be((int)(st.Created - st.Closed));
}
driver.Close();
}
// [InlineData(50000)] leave this to a long dedicated build
public void SoakRun(int threadCount)
{
var driver = GraphDatabase.Driver(ServerEndPoint, AuthToken, new Config
{
DriverMetricsEnabled = true,
ConnectionTimeout = Config.InfiniteInterval,
EncryptionLevel = EncryptionLevel.Encrypted
});
var startTime = DateTime.Now;
Output.WriteLine($"[{startTime:HH:mm:ss.ffffff}] Started");
var metrics = ((Internal.Driver)driver).GetMetrics();
var workItem = new SoakRunWorkItem(driver, metrics, Output);
var tasks = new List <Task>();
for (var i = 0; i < threadCount; i++)
{
tasks.Add(workItem.Run());
}
Task.WaitAll(tasks.ToArray());
var m = metrics.ConnectionPoolMetrics.Single().Value;
var cm = metrics.ConnectionMetrics.Single().Value;
Output.WriteLine(m.ToString());
Output.WriteLine(m.AcquisitionTimeHistogram.ToString());
Output.WriteLine(cm.ConnectionTimeHistogram.ToString());
Output.WriteLine(cm.InUseTimeHistogram.ToString());
var endTime = DateTime.Now;
Output.WriteLine($"[{endTime:HH:mm:ss.ffffff}] Finished");
Output.WriteLine($"Total time spent: {endTime - startTime}");
m.Creating.Should().Be(0);
m.Closing.Should().Be(0);
m.InUse.Should().Be(0);
m.Idle.Should().Be((int)(m.Created - m.Closed));
driver.Close();
}
// [InlineData(50000)] leave this to a long dedicated build
public void SoakRun(int threadCount)
{
var driver = GraphDatabase.Driver(ServerEndPoint, AuthToken, new Config
{
MetricsFactory = new DefaultMetricsFactory(),
ConnectionTimeout = Config.InfiniteInterval,
EncryptionLevel = EncryptionLevel.Encrypted,
MaxConnectionPoolSize = 100
});
var startTime = DateTime.Now;
Output.WriteLine($"[{startTime:HH:mm:ss.ffffff}] Started");
var metrics = ((Internal.Driver)driver).GetMetrics();
var workItem = new SoakRunWorkItem(driver, metrics, Output);
Parallel.For(0, threadCount, workItem.Run);
var m = metrics.ConnectionPoolMetrics.Single().Value;
var cm = metrics.ConnectionMetrics.Single().Value;
Output.WriteLine(m.ToString());
Output.WriteLine(m.AcquisitionTimeHistogram.ToString());
Output.WriteLine(cm.ConnectionTimeHistogram.ToString());
Output.WriteLine(cm.InUseTimeHistogram.ToString());
var endTime = DateTime.Now;
Output.WriteLine($"[{endTime:HH:mm:ss.ffffff}] Finished");
Output.WriteLine($"Total time spent: {endTime - startTime}");
m.Creating.Should().Be(0);
m.Closing.Should().Be(0);
m.InUse.Should().Be(0);
m.Idle.Should().Be((int)(m.Created - m.Closed + m.FailedToCreate));
driver.Close();
}