public OrleansTaskScheduler(
IOptions <SchedulingOptions> options,
ExecutorService executorService,
ILoggerFactory loggerFactory,
SchedulerStatisticsGroup schedulerStatistics,
IOptions <StatisticsOptions> statisticsOptions)
{
this.loggerFactory = loggerFactory;
this.schedulerStatistics = schedulerStatistics;
this.statisticsOptions = statisticsOptions;
this.logger = loggerFactory.CreateLogger <OrleansTaskScheduler>();
cancellationTokenSource = new CancellationTokenSource();
WorkItemGroup.ActivationSchedulingQuantum = options.Value.ActivationSchedulingQuantum;
applicationTurnsStopped = false;
TurnWarningLengthThreshold = options.Value.TurnWarningLengthThreshold;
this.MaxPendingItemsSoftLimit = options.Value.MaxPendingWorkItemsSoftLimit;
this.MaxPendingItemsHardLimit = options.Value.MaxPendingWorkItemsHardLimit;
workgroupDirectory = new ConcurrentDictionary <ISchedulingContext, WorkItemGroup>();
const int maxSystemThreads = 2;
var maxActiveThreads = options.Value.MaxActiveThreads;
maximumConcurrencyLevel = maxActiveThreads + maxSystemThreads;
OrleansSchedulerAsynchAgent CreateSchedulerAsynchAgent(string agentName, bool drainAfterCancel, int degreeOfParallelism)
{
return(new OrleansSchedulerAsynchAgent(
agentName,
executorService,
degreeOfParallelism,
options.Value.DelayWarningThreshold,
options.Value.TurnWarningLengthThreshold,
this,
drainAfterCancel,
loggerFactory));
}
mainAgent = CreateSchedulerAsynchAgent("Scheduler.LevelOne.MainQueue", false, maxActiveThreads);
systemAgent = CreateSchedulerAsynchAgent("Scheduler.LevelOne.SystemQueue", true, maxSystemThreads);
this.taskWorkItemLogger = loggerFactory.CreateLogger <TaskWorkItem>();
logger.Info("Starting OrleansTaskScheduler with {0} Max Active application Threads and 2 system thread.", maxActiveThreads);
IntValueStatistic.FindOrCreate(StatisticNames.SCHEDULER_WORKITEMGROUP_COUNT, () => WorkItemGroupCount);
IntValueStatistic.FindOrCreate(new StatisticName(StatisticNames.QUEUES_QUEUE_SIZE_INSTANTANEOUS_PER_QUEUE, "Scheduler.LevelOne"), () => RunQueueLength);
if (!schedulerStatistics.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);
}
public SchedulerStatisticsTracker(OrleansSchedulerAsynchAgent agent)
{
this.agent = agent;
}
