On 8/15/2015 1:17 PM, Gordon Messmer wrote:
On 08/14/2015 07:19 AM, Michael H wrote:
I have currently set it by running 'ulimit -s 10240' but this does not survive a reboot.
It's already been pointed out that you'll need to modify the init script, but just to make clear why that is the case, I thought it should be pointed out that "ulimit" is a bash built-in command. When you run "ulimit -s 10240" you're not modifying the system, as a whole. You're only modifying that shell's environment and any child process that you start from that shell. Not only does the command not survive a reboot, it doesn't persist between logins.
And that's one of the better features of systemd. Because services are always started by systemd, they don't inherit environment, or process limits, or SELinux context from a login shell. If they start correctly interactively, via systemctl, they'll start correctly the next time the system boots. Under the old init system, that wasn't true.
The problem with it though is it ignores system wide and user specific baseline settings. If systemd still obeyed ulimits.conf I would agree that it was an improvement.
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