>> Another possible workaround, if you do not need path resolutions in /proc >> or lsof(1), is to set sysctl vfs.vlru_allow_cache_src=1. > > I will test this. Does not help. kern.maxvnodes: 100000 kern.minvnodes: 25000 vfs.vlru_allow_cache_src: 1 vfs.freevnodes: 199 vfs.wantfreevnodes: 25000 vfs.numvnodes: 100038 debug.vnlru_nowhere: 647 Petr