private async Task RunBackloggedQueuesAsync()
{
var backloggedQueueNames = await asyncEventQueueManager.GetNonemptyQueueNamesAsync();
var throttledTasks = new List <Task>();
using (var throttle = new SemaphoreSlim(asyncEventPipelineConfiguration.CatchUpProcessingParallelism))
{
foreach (string queueName in backloggedQueueNames)
{
await throttle.WaitAsync();
throttledTasks.Add(Task.Factory.StartNewWithContext(async() =>
{
try
{
var asyncEventQueueBacklogWorker = asyncEventWorkerFunc();
await asyncEventQueueBacklogWorker.RunQueueBacklogAsync(queueName);
}
catch (AsyncEventProcessingException e)
{
// TODO reschedule?
Logger.Error(e,
$"AsyncEventProcessingException occurred while processing async event queue {queueName} during startup");
}
finally
{
throttle.Release();
}
}));
}
await Task.WhenAll(throttledTasks);
}
}
