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Advances, Systems and Applications

Table 7 Heterogeneous stream I-DAG workflow Stage0→1

From: IoT-enabled directed acyclic graph in spark cluster

Event Query type Source file Flat map Map Reduce Core % DISK (GB) I-DAG
Error Simple 2.3 sec 20 sec Bypassed 29 sec 21.2% 0.0002% 2-node
Backup Simple 3.8 sec 28 sec 25 sec 31 sec 22.9% 0.0008% 3-node
Informaton Simple 1.9 sec 15 sec Bypassed 21 sec 19.3% 0.0003% 2-node
Error Compound 18 sec 41 sec 10 sec 49 sec 23.3% 0.0004% 3-node
Backup Compound 22 sec 39 sec Bypassed 41 sec 18.71% 0.0003% 2-node
Information Compound 16 sec 37 sec Bypassed 39 sec 20.66% 0.0008% 2-node
Error Range 35 sec 12 sec 19 sec 37 sec 21.97% 0.0008% 3-node
Backup Range 42 sec 29 sec Bypassed 43 sec 19.38% 0.0009% 2-node
Information Range 28 sec 11 sec 22 sec 41 sec 21.26% 0.0007% 3-node
Error String 17 sec 15 sec Bypassed 29 sec 22.3% 0.0009% 2-node
Backup String 16 sec 18 sec 31 sec 38 sec 20.61% 0.0004% 3-node
Information String 18 sec 13 sec 43 sec 39 sec 19.52% 0.0003% 3-node