[Bug]: The value of the ulimit parameter "open files" must not be less than 20000 #225
Description
Describe the bug
pref deployed
Get local repositories ok
Load cluster param plugin ok
Open ssh connection ok
[WARN] OBD-1011: (127.0.0.1) The recommended value of fs.aio-max-nr is 1048576 (Current value: 65536)
[ERROR] OBD-1007: (127.0.0.1) The value of the ulimit parameter "open files" must not be less than 20000 (Current value: 1024), Please execute echo -e "* soft nofile 20000\n* hard nofile 20000" >> /etc/security/limits.d/nofile.conf as root in 127.0.0.1. if it dosen't work, please check whether UsePAM is yes in /etc/ssh/sshd_config.
[WARN] OBD-1007: (127.0.0.1) The recommended number of stack size is unlimited (Current value: 8192)
[WARN] OBD-1017: (127.0.0.1) The value of the "vm.max_map_count" must be within [327600, 1310720] (Current value: 65530, Recommended value: 655360)
[WARN] OBD-2000: (127.0.0.1) not enough memory. (Free: 845M, Need: 11G)
[WARN] OBD-1012: (127.0.0.1) clog and data use the same disk (/home)
Environment
os version: CentOS-9-Stream-x64
ob version: 4.3.5.4
Linux kvm-longda 5.14.0-617.el9.x86_64 #1 SMP PREEMPT_DYNAMIC Mon Sep 15 21:46:13 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Fast reproduce steps
obd pref
Expected behavior
No response
Actual behavior
No response
Additional context
[longda@kvm-longda ~]$ cat /etc/security/limits.d/nofile.conf
- soft nofile 20000
- hard nofile 20000
[longda@kvm-longda ~]$ tail /etc/security/limits.d/nofile.conf - soft nofile 20000
- hard nofile 20000
[longda@kvm-longda ~]$ tail /etc/security/limits.d/
25-pw-rlimits.conf nofile.conf
[longda@kvm-longda ~]$ tail /etc/security/limits.d/25-pw-rlimits.conf
If the group is not automatically created, the match rule will never be true
and this file will have no effect.
@PipeWire - rtprio 95
@PipeWire - nice -19
@PipeWire - memlock 4194304
- soft nofile 20000
- hard nofile 20000