Point(x3, y3)) (U3 ,Logroño, Point(x4, y4)) (U1 ,Ávila, Point(x5, y5)) (U2 ,Huelva, Point(x6, y6)) (U3 ,Huelva, Point(x7, y7)) (U2 ,Logroño, Point(x8, y8)) HBase Master Spark Executor-1 Spark Executor-2 Point(x1, y1), [U1 ,Madrid] Point(x5, y5), [U1 ,Ávila] Point(x2, y2), [U21 ,Logroño] Point(x4, y4), [U31 ,Logroño] Point(x6, y6), [U1 ,Huelva] Point(x7, y7), [U3 ,Huelva] Point(x3, y3), [U1 ,Cadiz] Point(x8, y8), [U21 ,Logroño] Region Server-1 Region Server-2 Region Server-3