MACROMEDIA COLDFUSION MX-CLUSTERCATS manuály

Uživatelské manuály a uživatelské příručky pro Softwarové příručky MACROMEDIA COLDFUSION MX-CLUSTERCATS.
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Tabulka s obsahem

Using ClusterCATS

1

CONTENTS

3

C o n t e n t s v

5

ABOUT THIS BOOK

7

Developer resources

8

Viewing online documentation

9

Contacting Macromedia

10

CHAPTER 1

11

Before You Begin

11

ClusterCATS overview

12

Detailed overview

13

• A user enters a new URL

14

• A user employs a bookmark

14

ClusterCATS overview 5

15

ClusterCATS components

16

System requirements

17

CHAPTER 2

19

What is scalability?

20

What is scalability? 11

21

Load management

22

Avoiding common bottlenecks

26

• “What is DNS?” on page 17

27

Zones and domains

28

What is website availability?

33

Common failures

34

Website availability scenario

35

Failover considerations

35

What is clustering?

38

• It uses proven technology

39

CHAPTER 3

43

Installing ClusterCATS

43

Before you install

44

Configuring server failover

48

Configuring firewalls

48

Analyzing web server content

49

After you install

55

CHAPTER 4

57

Configuring Clusters

57

ClusterCATS Server

58

Creating clusters

64

Creating clusters 55

65

Creating clusters 57

67

Creating clusters in UNIX

70

3 Click OK

71

Removing clusters

72

Adding cluster members

73

Removing cluster members

75

Server load thresholds

76

Server load thresholds 67

77

Server load thresholds 69

79

Server load thresholds 71

81

Session-aware load balancing

82

Session swapping overview

84

Using ColdFusion probes

87

Using ColdFusion probes 81

91

To remove a ColdFusion probe:

91

Using ColdFusion probes 83

93

Using JRun probes

94

Using JRun probes 85

95

To remove a JRun probe:

98

Using JRun probes 89

99

To add a new JRun probe:

99

Load-balancing devices

102

• dynamic-feedback -retry

103

Product drop-down list

104

Load-balancing devices 97

107

Administrator e-mail options

110

Administering security

113

Administering security 105

115

Administering security 107

117

CHAPTER 5

119

Maintaining Cluster Members

119

Resetting cluster members

130

CHAPTER 6

131

ClusterCATS Utilities

131

Using btadmin

132

Using btcfgchk

136

Using hostinfo

139

Using sniff

140

CHAPTER 7

141

Optimizing ClusterCATS

141

Using server failover

147

Overview of metrics

148

Load types

149

Output variables

149

142 Index

152

146 Index

156





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