6.7. Adjusting the maximum number of file descriptors
The nsslapd-maxdescriptors attribute sets the maximum, platform-dependent number of file descriptors that the Directory Server uses. File descriptors are used for client connections, log files, sockets, and other resources.
If you set the nsslapd-maxdescriptors value higher than the total number of file descriptors that the operating system allows the ns-slapd process to use, the Directory Server queries the operating system for the maximum allowable value, and then uses that value.
| Default value |
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| Valid range |
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| Entry DN location |
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Conditions préalables
- Le mot de passe du gestionnaire de répertoire LDAP
Procédure
Retrieve the current value of the
nsslapd-maxdescriptorsparameter and make a note of it before making any adjustments, in case it needs to be restored. Enter the Directory Manager password when prompted.[root@server ~]# dsconf -D "cn=Directory Manager" ldap://server.example.com config get nsslapd-maxdescriptors Enter password for cn=Directory Manager on ldap://server.example.com: nsslapd-maxdescriptors: 4096Modify the value of the
nsslapd-maxdescriptorsattribute. This example increases the value to8192.[root@server ~]# dsconf -D "cn=Directory Manager" ldap://server.example.com config replace nsslapd-maxdescriptors=8192Authenticate as the Directory Manager to make the configuration change.
Enter password for cn=Directory Manager on ldap://server.example.com: Successfully replaced "nsslapd-maxdescriptors"-
Monitor the IdM directory server’s performance. If it does not change in a desirable way, repeat this procedure and adjust
nsslapd-maxdescriptorsto a different value, or back to the default of4096.
Verification steps
Display the value of the
nsslapd-maxdescriptorsattribute and verify it has been set to your desired value.[root@server ~]# dsconf -D "cn=Directory Manager" ldap://server.example.com config get nsslapd-maxdescriptors Enter password for cn=Directory Manager on ldap://server.example.com: nsslapd-maxdescriptors: 8192
Ressources supplémentaires
- nsslapd-maxdescriptors (Maximum File Descriptors) in Directory Server 11 documentation
