Hmm, but it should be able to process only max-threads requests in parallel, and usual ulimit on open files is 1024... Is that really 8 fd per fork? Or did you mean that the fd usage growth is not linear? Seems so. It seems I only had 32 threads running and nscd was hitting the
https://bugzilla.novell.com/show_bug.cgi?id=328848#c13
Ralf Haferkamp