SCAN_IP是否负载均衡问题的解答

下文给大家带来SCAN_IP是否负载均衡问题的解答,希望能够给大家在实际运用中带来一定的帮助,负载均衡涉及的东西比较多,理论也不多,网上有很多书籍,今天我们就用创新互联在行业内累计的经验来做一个解答。

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最近遇到一个测试项目,对SCAN_IP是否负载均衡有一个疑问?理论上说是可以负载均衡,自己做了一个测试验证一下。

事实证明,并不是轮训机制的负载均衡。

SCAN_IP是否负载均衡问题的解答

一个小小的脚本如下:

$less load_balance_scan.sh   

#!/bin/bash  

for i in {1..100}  

do  

echo $i

sqlplus -S system/oracle@orcl <

select instance_name from v\$instance;

select count(*) from t1;

EOF

sleep 1  

done  

exit 0 

$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

$

看了以上关于SCAN_IP是否负载均衡问题的解答,如果大家还有什么地方需要了解的可以在创新互联行业资讯里查找自己感兴趣的或者找我们的专业技术工程师解答的,创新互联技术工程师在行业内拥有十几年的经验了。

 


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