Need to insert 10 lakh data in geodatabase table

[ilankumaranm]

Which is the best way to insert 10lakh records in geodatabase table.
 
  IFeatureBuffer featureBuffer = iFeatureClass.CreateFeatureBuffer();
                  IFeatureCursor insertCursor = iFeatureClass.Insert(true);

{
                                 featureBuffer.set_Value(3, lstFeatures.Longitude);
          featureOID = insertCursor.InsertFeature(featureBuffer);
                       }

                       //Stop editing
                       insertCursor.Flush();


this is giving performance problem.Any way of bulk insertion
Product:
arcgis 10 desktop.