August 2019
Beginner to intermediate
232 pages
3h 50m
Chinese
Content preview from Web容量规划之美
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178
第
6
章
算法 1 说明
为了更好地理解算法
1
，让我们进行一个案例研究。该算法的参数列见表
6-1
和表
6-2
。最初，
RPS
ASG
= 500
和
N
C
= 6
。作为
rpsasg
增加到
1540
，峰值信噪比的方法，
可自动缩放的事件被触发从而增加
3
（
=
U
）个节点的
ASG
。随着
rpsasg
增加，会
触发这个事件。请注意，第
6
列中的所有条目都满足属性
1
。
在缩容的时候，最初的
RPS
ASG
= 5000
和
N
C
= 18
。随着
RPS
ASG
减小到
3240
，峰值
信噪比的方法和
T
D
。会触发一种自动缩容的事件，从而从
ASG
节点删除
2
（
=
D
）。
请注意，第
12
列中的所有条目都满足属性
2
。
算法
1
示例（
D
＝
2
，
U
＝
3
，
T
D
＝
180
，
T
U
＝
230
）。
表
6
-
1
：扩容
During scale-down, the initial RPS
ASG
= 5000 and N
c
= 18. As RPS
ASG
decreases to
3240, and RPS
n
approaches T
D
. An autoscaling down-event is triggered, thereby delet-
ing 2 (= D) nodes from the ASG. Note that all the entries in column 12 satisfy Property
2.
Illustration of Algorithm 1 (D =2, U = 3, T
D
= 180, T
U
= 230)
Table 6-1. Scale ...
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