public void RecordLatency(long latency)
{
var index = latency / LatencyStep;
var upperBound = (index + 1) * LatencyStep;
if (upperBound <= LatencyMax)
{
_statistics.AddOrUpdate(SignalRUtils.MessageLessThan(upperBound), 1, (k, v) => v + 1);
}
else
{
_statistics.AddOrUpdate(SignalRUtils.MessageGreaterOrEqualTo(LatencyMax), 1, (k, v) => v + 1);
}
}