Exploiting Sharing Join Opportunities in Big Data Multiquery Optimization with Flink

Table 5

The Average time of MapReduce phases for two-way join and their improvement w. r. t NT plan.

Phase	Average time (sec)			Improvement wrt NT
	NT	FG-T	CG-T	FG-T	CG-T
Map	351	223	184	36%	48%
Shuffle	317	198	134	38%	58%