Bambero wrote: > # sysctl kern.nfiles ; fstat | wc -l > kern.nfiles=2470 > 3594 > > What's the difference between kern.nfiles and fstat?
fstat includes the program executable itself and its working directories, which don't count as open files. > # getcap -f /etc/login.conf mysqld > mysqld: :openfiles-cur=128: :openfiles-max=256: > > # su _mysql > # ulimit -a > time(cpu-seconds) unlimited > file(blocks) unlimited > coredump(blocks) unlimited > data(kbytes) 33554432 > stack(kbytes) 8192 > lockedmem(kbytes) 10825182 > memory(kbytes) 32472388 > nofiles(descriptors) 128 > processes 1310 > > So why mysql is allowed to open more than 256 files: > > # fstat -u _mysql | wc -l > 998 file limits are per process, not per user.
