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Configuring the Primary and Secondary Security Server
Using Indexes to Improve Database Performance
Chapter 7 107
Using Indexes to Improve Database
Performance
Most LDAP servers use indexes to improve search performance. Indexes
are files stored in your directory databases. Separate index files are
maintained for each database in your directory. Each file is named
according to the attribute it indexes. The index file for a particular
attribute can contain multiple types of indexes. This feature enables you
to maintain several types of indexes for each attribute. For example, a
file called sn.db3 contains all of the indexes for the surname name
attribute.
NOTE To improve the performance of the directory server you must index the
database with attributes of hpKrbPrincipalName.
Depending upon the types of applications using your directory, you will
use different types of indexes.
Indexes greatly improve the performance of searches in the directory
databases, but they do so at the cost of slower database modification and
creation operations. Indexes also cost more in terms of system resources,
especially disk space.
NOTE HP recommends that you use the Presence and Equality type of index
for the attribute hpkrbprincipalName.
For information on how to create these indexes, consult your directory
server documentation.