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In-Depth Information
1000
us-west-
1
us-east-
1
eu-west-
1
us-west-
2
us-east-
2
eu-west-
2
100
10
1
0.1
0.01
1E-3
1E-4
0
600
1200
1800
2400
3000
Timeline per slave (second)
(a)
1000
us-west-
1
us-east-
1
eu-west-
1
us-west-
2
us-east-
2
eu-west-
2
100
10
1
0.1
0.01
1E-3
1E-4
0
600
1200
1800
2400
3000
Timeline per slave (second)
(b)
1000
us-west-
1
us-east-
1
eu-west-
1
us-west-
2
us-east-
2
eu-west-
2
100
10
1
0.1
0.01
1E-3
1E-4
0
600
1200
1800
2400
3000
Timeline per slave (second)
(c)
FIGURE 11.10
The performance of the adaptive management of the replication delay
for the cloud-hosted database replicas. (a)
intvl
mon
= 60 seconds. (b)
intvl
mon
= 120 seconds.
(c)
intvl
mon
= 480 seconds. (d)
delay
tolerance
= 480 milliseconds. (e)
delay
tolerance
= 2000 mil-
liseconds. (f)
delay
tolerance
= 4000 milliseconds.
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