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Sun OpenDS Standard Edition 2.0 Architectural Reference

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The Directory Server Access Control Model

Understanding the Directory Server Schema

Index Databases

Index Entry Limit

Attribute Equality Index

Attribute Presence Index

Attribute Substring Index

Attribute Ordering Index

Search Evaluation

Understanding Directory Server Plug-Ins

Directory Server Replication

Root Users and the Privilege Subsystem

Supported Controls and Operations

Index Databases

Index databases enable search requests to be processed efficiently. The children and subtree system indexes are dedicated to processing one-level and subtree search scopes respectively. Additional attribute indexes are configured as needed to process components of a search filter. Each record in an index database maps a key to an Entry ID List.

The following sections describe the index databases and the search evaluation process: