Join Product Skew[cont'd.]

• Table 7 gives the max and min times ( over all processors ) to complete the building phase. and the entire join of *1000 Join *10. No. of processors and samples remained same.

Phase 		           Min seconds 		  Max seconds


Building 		          15.55 		            16.48


Complete Join 		              48.72 		            49.77 		

• Observation: The total time (49.77) differs from the time reported in for this join in table 3. This is because the times presented in that table are averages over five runs, whereas here they are from a single run.