public void ReportAndFixIfNeeded(ILog log)
{
var state = ThreadPoolUtility.GetPoolState();
if (state.UsedWorkerThreads < state.MinWorkerThreads &&
state.UsedIocpThreads < state.MinIocpThreads)
{
return;
}
var currentTimestamp = DateTime.UtcNow;
lock (syncObject)
{
if (currentTimestamp - lastReportTimestamp < minReportInterval)
{
return;
}
lastReportTimestamp = currentTimestamp;
}
log.Warn(
"Looks like you're kinda low on ThreadPool, buddy. " +
$"Workers: {state.UsedWorkerThreads}/{state.MinWorkerThreads}/{state.MaxWorkerThreads}, " +
$"IOCP: {state.UsedIocpThreads}/{state.MinIocpThreads}/{state.MaxIocpThreads} (busy/min/max).");
var currentMultiplier = Math.Min(state.MinWorkerThreads / Environment.ProcessorCount, state.MinIocpThreads / Environment.ProcessorCount);
if (currentMultiplier < 128)
{
log.Info("I will configure ThreadPool for you, buddy!");
ThreadPoolUtility.Setup(log);
}
}
private async Task <VostokApplicationRunResult> RunInternalAsync()
{
if (settings.ConfigureThreadPool)
{
ThreadPoolUtility.Setup(settings.ThreadPoolTuningMultiplier);
}
var result = BuildEnvironment();
if (result != null)
{
return(result);
}
using (environment)
using (new ApplicationDisposable(settings.Application, environment, log))
{
result = WarmupEnvironment();
if (result != null)
{
return(result);
}
result = await InitializeApplicationAsync().ConfigureAwait(false);
if (result.State == VostokApplicationState.Initialized)
{
result = await RunApplicationAsync().ConfigureAwait(false);
}
return(result);
}
}
protected TransportTestsBase()
{
ILog log = new ConsoleLog();
Transport = ClusterClientConfigurationHelper.CreateTransport(log);
ThreadPoolUtility.Setup(log);
}
private void ConfigureHostBeforeRun()
{
var cpuUnitsLimit = environment.ApplicationLimits.CpuUnits;
if (settings.ConfigureThreadPool && cpuUnitsLimit.HasValue)
{
ThreadPoolUtility.Setup(settings.ThreadPoolTuningMultiplier, cpuUnitsLimit.Value);
}
}
private Task <VostokMultiHostRunResult> StartInternalAsync()
{
// NOTE: Configure thread pool once there if necessary.
if (settings.ConfigureThreadPool)
{
ThreadPoolUtility.Setup(settings.ThreadPoolTuningMultiplier);
}
BuildCommonEnvironment()?.EnsureSuccess();
StartAddedApplications();
return(Task.FromResult(ReturnResult(VostokMultiHostState.Running)));
}
public static void ReportAndFixIfNeeded(ILog log)
{
var state = ThreadPoolUtility.GetPoolState();
if (state.UsedWorkerThreads < state.MinWorkerThreads &&
state.UsedIocpThreads < state.MinIocpThreads)
{
return;
}
var currentTimestamp = DateTime.UtcNow;
lock (syncObject)
{
if (currentTimestamp - lastReportTimestamp < MinReportInterval)
{
return;
}
lastReportTimestamp = currentTimestamp;
}
log = log.ForContext(typeof(ThreadPoolMonitor));
log.Warn(
"Looks like you're kinda low on ThreadPool, buddy. " +
"Workers: {UsedWorkerThreads}/{MinWorkerThreads}, " +
"IOCP: {UsedIocpThreads}/{MinIocpThreads} (busy/min).",
state.UsedWorkerThreads,
state.MinWorkerThreads,
state.UsedIocpThreads,
state.MinIocpThreads);
var currentMultiplier = Math.Min(
state.MinWorkerThreads / Environment.ProcessorCount,
state.MinIocpThreads / Environment.ProcessorCount);
if (currentMultiplier < TargetMultiplier)
{
log.Info("I will configure ThreadPool for you, buddy!");
ThreadPoolUtility.Setup(TargetMultiplier);
var newState = ThreadPoolUtility.GetPoolState();
log.Info("New min worker threads = {MinWorkerThreads}", newState.MinWorkerThreads);
log.Info("New min IOCP threads = {MinIocpThreads}", newState.MinIocpThreads);
}
}
private void CheckAndUpdate()
{
var newThreadPoolMultiplier = settingsProvider(configProvider).ThreadPoolMultiplier;
var newCpuUnits = applicationLimits.CpuUnits;
if (WereSettingsUpdated(newThreadPoolMultiplier, newCpuUnits))
{
ThreadPoolUtility.Setup(newThreadPoolMultiplier, newCpuUnits);
previousThreadPoolMultiplier = newThreadPoolMultiplier;
previousCpuUnits = newCpuUnits;
LogThreadPoolSettings(newThreadPoolMultiplier, newCpuUnits);
}
}
/// <summary>
/// <para>Launches the provided <see cref="IVostokApplication"/>.</para>
/// <para>Performs following operations:</para>
/// <list type="bullet">
/// <item><description>Creates an instance of <see cref="IVostokHostingEnvironment"/> using <see cref="VostokHostSettings.EnvironmentSetup"/>.</description></item>
/// <item><description>Configures thread pool if <see cref="VostokHostSettings.ConfigureThreadPool"/> specified.</description></item>
/// <item><description>Configures static providers if <see cref="VostokHostSettings.ConfigureStaticProviders"/> specified.</description></item>
/// <item><description>Calls <see cref="IVostokApplication.InitializeAsync"/>.</description></item>
/// <item><description>Calls <see cref="IVostokApplication.RunAsync"/>.</description></item>
/// <item><description>Stops application if <see cref="ShutdownTokenSource"/> has been canceled.</description></item>
/// </list>
/// <para>May throw an exception if an error occurs during environment creation.</para>
/// <para>Does not rethrow exceptions from <see cref="IVostokApplication"/>, stores them in result's <see cref="VostokApplicationRunResult.Error"/> property.</para>
/// </summary>
public virtual async Task <VostokApplicationRunResult> RunAsync()
{
if (!launchedOnce.TrySetTrue())
{
throw new InvalidOperationException("Application can't be launched multiple times.");
}
if (settings.ConfigureThreadPool)
{
ThreadPoolUtility.Setup(settings.ThreadPoolTuningMultiplier);
}
var result = BuildEnvironment();
if (result != null)
{
return(result);
}
using (environment)
using (settings.Application as IDisposable)
{
result = WarmupEnvironment();
if (result != null)
{
return(result);
}
result = await InitializeApplicationAsync().ConfigureAwait(false);
if (result.State == VostokApplicationState.Initialized)
{
result = await RunApplicationAsync().ConfigureAwait(false);
}
return(result);
}
}
public void OneTimeSetUp()
{
ThreadPoolUtility.Setup();
LogProvider.Configure(new SynchronousConsoleLog());
}
public void OneTimeSetUp()
{
ThreadPoolUtility.Setup();
}
