Given the current settings on a directory server I'm still seeing the errors below in the logs at peak times.
"ERR - setup_pr_read_pds - Not listening for new connections - too many fds open"
nsslapd-maxdescriptors: 65535nsslapd-conntablesize: 8192
At the OS level the ns-slapd process is set to 65535 as well.
Max open files 65535
After reading the RHDS documentation it's a bit unclear as to how these parameters work together.
The conntablesize documentation states:
"The default value for nsslapd-conntablesize is the systems maxdescriptors which can be confiured using nsslapd-maxdescriptors"