On Wed, 28 Feb 2018 15:15:59 -0500 Jerry Geis <jerry.geis at gmail.com> wrote: > I have two systems both running CentOS 7.4 > > one shows pid_max as 32768 > the other shows pid_max as 49152 > > Why might that be ? I would have thought they would be the same. I > have not changed them. I think that max is calculated as a function of number of CPUs. Maybe those two installations differ in that regard? /Peter