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Setting Siebel Server Environment Variables for Performance

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It is very important that you keep the Siebel Server running under 80% CPU utilization. If there are any changes on MaxTasks, change the Siebel Server environment variables SIEBEL_OSD_LATCH and SIEBEL_OSD_NLATCH based on the following operations:

• SIEBEL_OSD_LATCH = 2 * (accumulated MaxTasks of all components)
• SIEBEL_OSD_NLATCH= 10 * (accumulated MaxTasks of all components)

For example, on Siebel Server, you have enabled two multithreaded server components: CallCenter_enu, and WFProcMgr. MaxTasks=500 for the component CallCenter_enu and MaxTasks=100 for the WFProcMgr component.

So, SIEBEL_OSD_LATCH should be set accordingly to 1200 (as a result of 2*[500+100]) and SIEBEL_OSD_NLATCH should be set accordingly to 6000.

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