systemd sets an additional limit on processes and threads that defaults to 512 when run under Linux >= 4.3. See more information here: http://unix.stackexchange.com/a/255603/59955 Signed-off-by: Candid Dauth <cdauth@cdauth.eu> Upstream-commit: 105778343a2e5d510fae1cbdb1b7ab6879e5a028 Component: engine