Verified for ami-075ed2fafb0c1aa69 [ec2-user@ip-10-0-1-73 ~]$ cat /etc/security/limits.d/99-sap.conf @sapsys hard nofile 65536 @sapsys soft nofile 65536 @dba hard nofile 65536 @dba soft nofile 65536 @sapsys hard nproc unlimited @sapsys soft nproc unlimited @dba hard nproc unlimited @dba soft nproc unlimited [ec2-user@ip-10-0-1-73 ~]$ uname -a Linux ip-10-0-1-73 4.18.0-147.56.1.el8_1.x86_64 #1 SMP Wed Sep 15 02:24:28 EDT 2021 x86_64 x86_64 x86_64 GNU/Linux