SCAN_IP是否負載均衡問題的解答
下文給大家?guī)鞸CAN_IP是否負載均衡問題的解答，希望能夠給大家在實際運用中帶來一定的幫助，負載均衡涉及的東西比較多，理論也不多，網(wǎng)上有很多書籍，今天我們就用創(chuàng)新互聯(lián)在行業(yè)內累計的經(jīng)驗來做一個解答。
創(chuàng)新互聯(lián)服務項目包括定南網(wǎng)站建設、定南網(wǎng)站制作、定南網(wǎng)頁制作以及定南網(wǎng)絡營銷策劃等。多年來，我們專注于互聯(lián)網(wǎng)行業(yè)，利用自身積累的技術優(yōu)勢、行業(yè)經(jīng)驗、深度合作伙伴關系等，向廣大中小型企業(yè)、政府機構等提供互聯(lián)網(wǎng)行業(yè)的解決方案，定南網(wǎng)站推廣取得了明顯的社會效益與經(jīng)濟效益。目前，我們服務的客戶以成都為中心已經(jīng)輻射到定南省份的部分城市，未來相信會繼續(xù)擴大服務區(qū)域并繼續(xù)獲得客戶的支持與信任！
最近遇到一個測試項目，對SCAN_IP是否負載均衡有一個疑問？理論上說是可以負載均衡，自己做了一個測試驗證一下。
事實證明，并不是輪訓機制的負載均衡。
一個小小的腳本如下：
<rac01:orcl1:/u01/app/oracle/product/12.1.0/dbhome_1/network/admin>$less load_balance_scan.sh
#!/bin/bash
for i in {1..100}
do
echo $i
sqlplus -S system/oracle@orcl <<EOF
select instance_name from v\$instance;
select count(*) from t1;
EOF
sleep 1
done
exit 0
<rac01:orcl1:/u01/app/oracle/product/12.1.0/dbhome_1/network/admin>$sh load_balance_scan.sh
1
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
2
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
3
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
4
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
5
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
6
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
7
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
8
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
9
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
10
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
11
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
12
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
13
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
14
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
15
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
16
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
17
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
18
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
19
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
20
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
21
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
22
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
23
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
24
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
25
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
26
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
27
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
28
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
29
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
30
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
31
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
32
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
33
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
34
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
35
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
36
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
37
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
38
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
39
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
40
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
41
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
42
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
43
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
44
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
45
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
46
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
47
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
48
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
49
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
50
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
51
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
52
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
53
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
54
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
55
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
56
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
57
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
58
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
59
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
60
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
61
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
62
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
63
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
64
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
65
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
66
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
67
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
68
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
69
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
70
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
71
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
72
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
73
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
74
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
75
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
76
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
77
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
78
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
79
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
80
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
81
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
82
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
83
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
84
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
85
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
86
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
87
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
88
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
89
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
90
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
91
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
92
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
93
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
94
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
95
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
96
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
97
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
98
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
99
INSTANCE_NAME
----------------
orcl2
COUNT(*)
----------
2910624
100
INSTANCE_NAME
----------------
orcl1
COUNT(*)
----------
2910624
<rac01:orcl1:/u01/app/oracle/product/12.1.0/dbhome_1/network/admin>$
看了以上關于SCAN_IP是否負載均衡問題的解答，如果大家還有什么地方需要了解的可以在創(chuàng)新互聯(lián)行業(yè)資訊里查找自己感興趣的或者找我們的專業(yè)技術工程師解答的，創(chuàng)新互聯(lián)技術工程師在行業(yè)內擁有十幾年的經(jīng)驗了。
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