private OrleansTaskScheduler(int maxActiveThreads, TimeSpan delayWarningThreshold, TimeSpan activationSchedulingQuantum,
TimeSpan turnWarningLengthThreshold, bool injectMoreWorkerThreads, LimitValue maxPendingItemsLimit)
{
Instance = this;
DelayWarningThreshold = delayWarningThreshold;
WorkItemGroup.ActivationSchedulingQuantum = activationSchedulingQuantum;
TurnWarningLengthThreshold = turnWarningLengthThreshold;
applicationTurnsStopped = false;
MaxPendingItemsLimit = maxPendingItemsLimit;
workgroupDirectory = new ConcurrentDictionary <ISchedulingContext, WorkItemGroup>();
RunQueue = new WorkQueue();
logger.Info("Starting OrleansTaskScheduler with {0} Max Active application Threads and 1 system thread.", maxActiveThreads);
Pool = new WorkerPool(this, maxActiveThreads, injectMoreWorkerThreads);
IntValueStatistic.FindOrCreate(StatisticNames.SCHEDULER_WORKITEMGROUP_COUNT, () => WorkItemGroupCount);
IntValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_QUEUE_SIZE_INSTANTANEOUS_PER_QUEUE, "Scheduler.LevelOne"), () => RunQueueLength);
if (!StatisticsCollector.CollectShedulerQueuesStats)
{
return;
}
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_QUEUE_SIZE_AVERAGE_PER_QUEUE, "Scheduler.LevelTwo.Average"), () => AverageRunQueueLengthLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_ENQUEUED_PER_QUEUE, "Scheduler.LevelTwo.Average"), () => AverageEnqueuedLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_AVERAGE_ARRIVAL_RATE_PER_QUEUE, "Scheduler.LevelTwo.Average"), () => AverageArrivalRateLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_QUEUE_SIZE_AVERAGE_PER_QUEUE, "Scheduler.LevelTwo.Sum"), () => SumRunQueueLengthLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_ENQUEUED_PER_QUEUE, "Scheduler.LevelTwo.Sum"), () => SumEnqueuedLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_AVERAGE_ARRIVAL_RATE_PER_QUEUE, "Scheduler.LevelTwo.Sum"), () => SumArrivalRateLevelTwo);
}
private OrleansTaskScheduler(int maxActiveThreads, TimeSpan delayWarningThreshold, TimeSpan activationSchedulingQuantum,
TimeSpan turnWarningLengthThreshold, bool injectMoreWorkerThreads, LimitValue maxPendingItemsLimit)
{
Instance = this;
DelayWarningThreshold = delayWarningThreshold;
WorkItemGroup.ActivationSchedulingQuantum = activationSchedulingQuantum;
TurnWarningLengthThreshold = turnWarningLengthThreshold;
applicationTurnsStopped = false;
MaxPendingItemsLimit = maxPendingItemsLimit;
workgroupDirectory = new ConcurrentDictionary<ISchedulingContext, WorkItemGroup>();
RunQueue = new WorkQueue();
logger.Info("Starting OrleansTaskScheduler with {0} Max Active application Threads and 1 system thread.", maxActiveThreads);
Pool = new WorkerPool(this, maxActiveThreads, injectMoreWorkerThreads);
IntValueStatistic.FindOrCreate(StatisticNames.SCHEDULER_WORKITEMGROUP_COUNT, () => WorkItemGroupCount);
IntValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_QUEUE_SIZE_INSTANTANEOUS_PER_QUEUE, "Scheduler.LevelOne"), () => RunQueueLength);
if (!StatisticsCollector.CollectShedulerQueuesStats) return;
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_QUEUE_SIZE_AVERAGE_PER_QUEUE, "Scheduler.LevelTwo.Average"), () => AverageRunQueueLengthLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_ENQUEUED_PER_QUEUE, "Scheduler.LevelTwo.Average"), () => AverageEnqueuedLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_AVERAGE_ARRIVAL_RATE_PER_QUEUE, "Scheduler.LevelTwo.Average"), () => AverageArrivalRateLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_QUEUE_SIZE_AVERAGE_PER_QUEUE, "Scheduler.LevelTwo.Sum"), () => SumRunQueueLengthLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_ENQUEUED_PER_QUEUE, "Scheduler.LevelTwo.Sum"), () => SumEnqueuedLevelTwo);
FloatValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_AVERAGE_ARRIVAL_RATE_PER_QUEUE, "Scheduler.LevelTwo.Sum"), () => SumArrivalRateLevelTwo);
}
internal WorkerPoolThread(WorkerPool gtp, OrleansTaskScheduler sched, bool system = false)
: base(system ? "System" : null)
{
pool = gtp;
scheduler = sched;
ownsSemaphore = false;
IsSystem = system;
maxWorkQueueWait = IsSystem ? Constants.INFINITE_TIMESPAN : gtp.MaxWorkQueueWait;
OnFault = FaultBehavior.IgnoreFault;
CurrentStateStarted = DateTime.UtcNow;
CurrentWorkItem = null;
if (StatisticsCollector.CollectTurnsStats)
{
WorkerThreadStatisticsNumber = SchedulerStatisticsGroup.RegisterWorkingThread(Name);
}
}
internal WorkerPoolThread(WorkerPool gtp, OrleansTaskScheduler sched, ICorePerformanceMetrics performanceMetrics, int threadNumber, bool system = false)
: base((system ? "System." : "") + threadNumber)
{
pool = gtp;
scheduler = sched;
this.performanceMetrics = performanceMetrics;
ownsSemaphore = false;
IsSystem = system;
maxWorkQueueWait = IsSystem ? Constants.INFINITE_TIMESPAN : gtp.MaxWorkQueueWait;
OnFault = FaultBehavior.IgnoreFault;
currentWorkItemStarted = DateTime.UtcNow;
currentTaskStarted = DateTime.UtcNow;
CurrentWorkItem = null;
if (StatisticsCollector.CollectTurnsStats)
{
WorkerThreadStatisticsNumber = SchedulerStatisticsGroup.RegisterWorkingThread(Name);
}
}
internal WorkerPoolThread(WorkerPool gtp, OrleansTaskScheduler sched, ExecutorService executorService, ILoggerFactory loggerFactory, IHostEnvironmentStatistics hostEnvironmentStatistics, int threadNumber, bool system = false)
: base((system ? "System." : "") + threadNumber, executorService, loggerFactory)
{
pool = gtp;
scheduler = sched;
this.hostEnvironmentStatistics = hostEnvironmentStatistics;
ownsSemaphore = false;
IsSystem = system;
maxWorkQueueWait = IsSystem ? Constants.INFINITE_TIMESPAN : gtp.MaxWorkQueueWait;
OnFault = FaultBehavior.IgnoreFault;
currentWorkItemStarted = DateTime.UtcNow;
currentTaskStarted = DateTime.UtcNow;
CurrentWorkItem = null;
if (StatisticsCollector.CollectTurnsStats)
{
WorkerThreadStatisticsNumber = SchedulerStatisticsGroup.RegisterWorkingThread(Name);
}
}
internal WorkerPoolThread(WorkerPool gtp, OrleansTaskScheduler sched, int threadNumber, bool system = false)
: base((system ? "System." : "") + threadNumber)
{
pool = gtp;
scheduler = sched;
ownsSemaphore = false;
IsSystem = system;
maxWorkQueueWait = IsSystem ? Constants.INFINITE_TIMESPAN : gtp.MaxWorkQueueWait;
OnFault = FaultBehavior.IgnoreFault;
currentWorkItemStarted = DateTime.UtcNow;
currentTaskStarted = DateTime.UtcNow;
CurrentWorkItem = null;
if (StatisticsCollector.CollectTurnsStats)
WorkerThreadStatisticsNumber = SchedulerStatisticsGroup.RegisterWorkingThread(Name);
}