Renato Ribeiro da Silva wrote: >I'm having questions about CPU utilization of Directory Server. The process ns-slapd take 99.9% of CPU almost all the time. Is there any way to know why this is happening? Any performance counter ( DS Console ) can show me the answer ? Is is possible to know the apps that are using the Directory in this moment ? > > Look in the access log. If there is an application loading the server then its operations will show up in quantity in the log. Also try running the 'pstack' command on the slapd process. This will give you a stack trace for where the CPU is being burned, which in turn may indicate the cause.