var _bigDataPoints     = new List<DataPoints>();

_bigDataPoints.Add(410.8070281  ,   4943000.0000000 );
_bigDataPoints.Add(432.7935746  ,   5041000.0000000 );
_bigDataPoints.Add(436.8319199  ,   5059000.0000000 );
_bigDataPoints.Add(9918.193582  ,   47320000.0000000 );
_bigDataPoints.Add(10099.91912  ,   48130000.0000000 );
_bigDataPoints.Add(10216.58243  ,   48650000.0000000 );
_bigDataPoints.Add(104904.5616  ,   470700000.0000000 );
_bigDataPoints.Add(107282.6983  ,   481300000.0000000 );
_bigDataPoints.Add(108337.1551  ,   486000000.0000000 );
_bigDataPoints.Add(991388.6853  ,   4422000128.0000000 );
_bigDataPoints.Add(1000362.786  ,   4462000128.0000000 );
_bigDataPoints.Add(1006195.923  ,   4488000000 );

var logAxisX = new LogarithmicAxis() { Position = AxisPosition.Bottom, Title = "Log(x)", UseSuperExponentialFormat = false, Base = 10 };
var linearAxisY = new LinearAxis() { Position = AxisPosition.Left, Title = "Y", UseSuperExponentialFormat = false };

ChartPlot.Axes.Add(linearAxisY);
ChartPlot.Axes.Add(logAxisX);

var lineSeriesBigData = new OxyPlot.Series.LineSeries();
lineSeriesBigData.Points.AddRange(_bigDataPoints);

ChartPlot.Series.Clear();
ChartPlot.Annotations.Clear();
ChartPlot.Series.Add(lineSeriesBigData);