Kipmi0进程一直占用近乎100
echo 100 > /sys/module/ipmi_si/parameters/kipmid_max_busy_us

ulimit -n 65535
vi /etc/security/limits.d/*-nproc.conf
vi /etc/security/limits.conf

• soft nofile 655360
• hard nofile 655360
• soft nproc 655360
• hard nproc 655360

vi /etc/sysctl.conf

net.ipv4.ip_forward = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
kernel.threads-max=65535
kernel.msgmni = 16384
kernel.msgmnb = 65535
kernel.msgmax = 65535
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
kernel.shmmni = 4096
kernel.sem = 5010 641280 5010 128
net.ipv4.tcp_max_tw_buckets = 6000
net.ipv4.tcp_sack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_rmem = 4096 87380 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 32768
net.ipv4.tcp_no_metrics_save = 1
net.core.somaxconn = 32768
net.core.optmem_max = 10000000
net.ipv4.tcp_max_orphans = 32768
net.ipv4.tcp_max_syn_backlog = 32768
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_syn_retries = 2
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_fin_timeout = 10
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_keepalive_probes=10
net.ipv4.tcp_keepalive_intvl=2
net.ipv4.ip_local_port_range = 10000 65535
net.ipv4.route.gc_timeout = 100
net.ipv4.tcp_congestion_control=cubic
net.ipv4.conf.lo.arp_ignore = 1
net.ipv4.conf.lo.arp_announce = 2
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2
fs.aio-max-nr = 1024000
fs.file-max = 1024000
vm.overcommit_memory = 1
vm.drop_caches = 3
vm.swappiness = 1

sysctl -p