
382 Large Scale and Big Data
0 600 1200 1800 2400
0.1
1E-4
1E-3
0.01
1
10
100
1000
Replication delay (seconds)
Timeline per slave (second)
us-west-1 us-east-1 eu-west-1
us-west-2 us-east-2 eu-west-2
0 600 1200 1800 2400
0.1
1E-4
1E-3
0.01
1
10
100
1000
Replication delay (seconds)
Timeline per slave (second)
(a)
us-west-1 us-east-1 eu-west-1
us-west-2 us-east-2 eu-west-2
0 600 1200 1800 2400
0.1
1E-4
1E-3
0.01
1
10
100
1000
Replication delay (seconds)
Timeline per slave (second)
(b)
us-west-1 us-east-1 eu-west-1
us-west-2 us-east-2 eu-west-2
FIGURE 11.10 The performance of the adaptive management of the replication delay
for the cloud-hosted database replicas. (a)