From: Multi-dimensional geospatial data mining in a distributed environment using MapReduce
Block size (MB) | Elapsed time (min) | Average map time (min) | Average shuffle time (min) | Average merge time (min) | Average reduce time (min) | Total mapping time (min) |
---|---|---|---|---|---|---|
16 | 16.3 | 13.1 | 2.3 | 0.1 | 0.2 | 12.9 |
32 | 13.0 | 10.0 | 2.1 | 0.1 | 0.2 | 11.6 |
64 | 11.5 | 9.3 | 4.3 | 0.2 | 0.1 | 10.5 |
96 | 11.8 | 9.7 | 6.6 | 0.2 | 0.2 | 10.9 |
128 | 14.1 | 11.8 | 12.2 | 0.2 | 0.1 | 10.8 |
256 | 14.9 | 11.6 | 13.5 | 0.1 | 2.9 | 14.2 |