private Thread CreateAndStartThread(int threadIndex, IProfiler optionalProfiler)
{
var cqIndex = threadIndex % completionQueues.Count;
var cq = completionQueues.ElementAt(cqIndex);
var thread = new Thread(new ThreadStart(() => RunHandlerLoop(cq, optionalProfiler)));
thread.IsBackground = true;
thread.Name = string.Format("grpc {0} (cq {1})", threadIndex, cqIndex);
thread.Start();
return thread;
}