Red Hat DIRECTORY SERVER 7.1, Руководство администратора

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Tuning Database Performance
480 Red Hat Directory Server Administrator’s Guide • May 2005
1.
In the Directory Server Console, select the Configuration tab, and then select
the topmost entry in the navigation tree in the left pane.
The tabs that are displayed in the right pane control server-wide
configuration attributes.
2.
Select the Performance tab in the right pane.
The current server performance settings appear.
3.
Set the maximum number of entries the server will return to the client in
response to a search operation by entering a new value in the Size Limit text
box.
If you do not want to set a limit, type
-1
in this text box.
4.
Enter the maximum amount of real time (in seconds) you want the server to
spend performing a search request in the Time Limit text box.
If you do not want to set a limit, type zero (
0
) in this text box.
5.
Enter the time (in seconds) during which you want the server to maintain an
idle connection before terminating it in the Idle Timeout text box.
If you do not want to set a limit, type zero (
0
) in this text box.
6.
Set the maximum number of file descriptors available to the Directory Server
in the Max Number of File Descriptors text box. For more information on this
parameter, see the Red Hat Directory Server Configuration, Command, and File
Reference .
For a better understanding of how these parameters impact your server’s search
performance, see “About Indexes,” on page 385.
Tuning Database Performance
This section is divided into the following parts which describe methods for tuning
database performance:
• Optimizing Search Performance
• Tuning Transaction Logging
• Changing the Location of the Database Transaction Log
• Changing the Database Checkpoint Interval
• Disabling Durable Transactions