Tuning Kernel Settings for Oracle Solaris

This topic is part of Tuning Siebel CRM for Oracle Solaris.

To run Siebel Servers or Siebel Application Interface in an Oracle Solaris environment, you need to set Oracle Solaris kernel parameters to specific recommended values for particular releases of Oracle Solaris servers. To learn the specific parameter recommendations for Siebel Servers or Siebel Application Interface running on Oracle Solaris, contact Oracle Advanced Customer Services. Contact your Oracle sales representative to request assistance from Oracle Advanced Customer Services.

Several Oracle Solaris kernel parameter settings significantly affect performance of Siebel CRM in general, and the Siebel Server in particular.

Oracle Solaris kernel parameters reside in the configuration file /etc/system. To change the settings for these parameters, you must manually edit this file, save your changes, and reboot the system.

Normally, the Oracle Solaris kernel memory parameter settings are relatively low. However, for large memory-model applications like the Siebel Server applications, it is recommended that you increase the values assigned to several of these parameters.

Caution: If you use the default Oracle Solaris kernel parameters, or lower, to run a Siebel Server in an Oracle Solaris environment, then there is a risk of serious performance problems, resulting in SIGABRT or SIGSEV errors for some Siebel Server components.

To tune the Oracle Solaris kernel settings for Siebel Server

1. Using an editor such as vi, open the /etc/system file for editing.

2. Add or modify the following lines, which are general settings:

   set rlim_fd_cur = 65536
   set kernel_cage_enable = 1
   set rlim_fd_max = 65536
   

3. Save your changes and exit the editor.

4. Restart the server computer to have the new settings take effect.