Advanced consistency management of highly-distributed transactional database in a hybrid cloud environment using novel R-TBC/RTA approach

Journal of Cloud Computing

Advances, Systems and Applications

Table 3 The processing times (ms) of read/write operations (90/10 R/W ratio) for standard approaches (Classic, Quorum, TBC) and proposed advanced R-TBC/RTA approach for maintaining the consistency of the cloud DBMS

		Classic approach		Quorum approach		TBC approach		R-TBC/RTA approach
		Read	Write	Read	Write	Read	Write	Read	Write
Primary	Disc	-	28	17	18	-	12	-	8
server /
root	CPU	-	53	25	26	-	25	-	12
replica
Secondary	Disc	17	18	17	19	17	15	8	7
replica
servers	CPU	9	5	18	18	11	8	2	3
Average	Primary	-	8.1	28.8	4.4	-	3.7	-	2
operation	replica:
processing	Avg	8.1		33.2		3.7		2
time(ms)	(Disc+CPU)
	Secondary	23.4	2.3	31.5	3.7	25.2	2.3	9.9	1
	servers:
	Avg	25.7		35.2		27.5		10.9
	(Disc+CPU)