Red Hat NETSCAPE DIRECTORY SERVER 7.0 - DEPLOYMENT Manuale di Servizio Scaricare il pdf (Pagina 77)

Chapter 3 Top Tuning Tips 77

6. Distribute disk activity.

Especially for deployments supporting large numbers of updates, Directory

Server can be extremely disk I/O intensive. If possible, consider spreading the

load across multiple disks using separate controllers.

Refer to “Sizing DiskSubsystems,” on page 85 for more information.

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Installation and Tuning Guide 1
Contents 3
About This Guide 9
Typographical Conventions 10
Default Paths and Filenames 10
About This Guide 11 11
Suggested Reading 12
About This Guide 13 13
Installation 15
Platform Architectures 18
Determining What to Install 20
Determining How to Install 20
Installing on Solaris Systems 23
Installing Solaris Packages 24
Package Description 25
Installing Required Patches 27
Configuring Directory Server 28
Creating Specification Files 29
Preparing For Installation 34
Platform Browse 35
Installing on Windows Systems 38
Uninstallation 41
Packages 42
Compressed Archive 43
Troubleshooting 46
Problem Possible Solutions 47
Before You Upgrade 51
Upgrading a Single Server 54
Migrating Existing Data 55
Variable Value 56
Preparing the New Master 57
Upgrading the Consumers 58
Upgrading a Branch 58
Adding Additional Servers 59
Example 4.x Upgrade Scenario 60
Example 5.x Upgrade Scenario 67
Upgrading 5.x Servers 67
5.x Consumer 5.x Consumer 68
5.x Master 5.x Master 68
5.x Hub 5.x Hub 68
5.2 Consumer5.2 Consumer 70
5.2 Hub 5.2 Hub 70
5.2 Master 5.2 Master 70
Top Tuning Tips 73
Phase Description 74
Distribute disk activity 77
Hardware Sizing 79
Minimum Available Memory 80
Minimum Local Disk Space 80
Sizing Physical Memory 81
Value Description 82
Chapter 4 Hardware Sizing 83 83
Sizing Total Memory 84
Sizing Disk Subsystems 85
Directory Server Binaries 86
Event Logging 86
Transaction Log 87
Backups and LDIF Files 87
(UNIX Platforms) Core Files 88
Space for Administration 88
Transaction Logs 89
Databases 89
Log Files 89
Disk Subsystem Alternatives 90
RAID Alternatives 91
RAID 0, Striped Volume 92
RAID 1, Mirrored Volume 92
RAID 1+0 92
RAID 0+1 92
RAID Levels 2, 3, and 4 93
Software Volume Managers 93
Sizing Network Capacity 94
Sizing for SSL 94
Chapter 4 Hardware Sizing 95 95
Tuning the Operating System 97
Patching the System 98
Enforcing Basic Security 98
Strong Passwords 99
Keeping Accurate Time 100
Tuning System Settings 102
File Descriptors 103
(HP-UX) Large File Support 103
(HP-UX) Threads Per Process 103
Deferred Acknowledgement 104
Inactive Connections 105
Incoming Connections 105
Outgoing Connections 105
Retransmission Timeout 106
Sequence Numbers 106
Tuning Cache Sizes 107
Database Cache 108
Entry Cache 109
Import Cache 110
File System Cache 111
Total Aggregate Cache Size 111
How Searches Use Cache 112
Base Search Process 113
How Updates Use Cache 115
Optimizing For Searches 118
Optimizing for Updates 121
Cache Priming and Monitoring 122
Other Optimizations 123
Tuning Indexing 125
Chapter 7 Tuning Indexing 127 127
Presence Indexes 128
Equality Indexes 129
Substring Indexes 130
Chapter 7 Tuning Indexing 131 131
Approximate Indexes 132
International Indexes 132
Example: Indexing an Entry 132
Chapter 7 Tuning Indexing 133 133
Limiting Index List Length 135
Entry IDs 136
Chapter 7 Tuning Indexing 137 137
Tuning Logging 139
Access Logging 140
Chapter 8 Tuning Logging 141 141
Audit Logging 142
Error Logging 143
Chapter 8 Tuning Logging 145 145
Retro Change Logging 146
Transaction Logging 147
Chapter 9 149
Managing Access Control 155
Configuring Server Plug-Ins 156
Installed Product Layout 159
The ServerRoot Directory 160
The Server Instance Directory 162
Internal Use Only 164
Before You Start 165
Creating a Token 166
Importing Certificates 168
Configuring SSL 168
Installing Sun Cluster HA for 171
Directory Server 171
Setting Up Network Resources 173
Installing the Servers 175
Configuring the Servers 176
What You Can Configure 179
Uninstalling 182
Index 187 187

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Red Hat NETSCAPE DIRECTORY SERVER 7.0 - DEPLOYMENT Manuale di Servizio Pagina 77

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