Overview Of System Indexes; Overview Of Standard Indexes; Table 10-2 System Indexes - Red Hat DIRECTORY SERVER 7.1 - ADMINISTRATOR Administrator's Manual

Default Indexes (Continued)
Table 10-1
Attribute
uniquemember

Overview of System Indexes

System indexes are indexes that cannot be deleted or modified. They are required
by the directory to function properly. Table 10-2 lists the system indexes included
with the directory.
Table 10-2 System Indexes
Attribute
aci
dnComp
objectClass
entryDN
parentID
numSubordinates
nsUniqueID

Overview of Standard Indexes

Because of the need to maintain default indexes and other internal indexing
mechanisms, the Directory Server also maintains certain standard index files. The
following standard indexes exist by default, and you do not need to generate them:
•
id2entry.db4
database files can be recreated from this one.
Eq Pres Sub
X - -
Eq Pres
- X
X -
X -
X -
X -
- X
X -
— Contains the actual directory database entries. All other
Purpose
Improves Directory Server performance. This
index is also used by the Referential Integrity
Plug-in. See "Maintaining Referential Integrity,"
on page 72, for more information.
Purpose
Allows the Directory Server to quickly obtain the
access control information maintained in the
database.
Used to help accelerate subtree searches in the
directory.
Used to help accelerate subtree searches in the
directory.
Speeds up entry retrieval based on DN searches.
Enhances directory performance during one-level
searches.
Used by the Directory Server Console to enhance
display performance on the Directory tab.
Used to search for specific entries.
About Indexes
Chapter 10 Managing Indexes 391