#
# /etc/sysctl.conf - Configuration file for setting system variables
# See sysctl.conf (5) for information.
#
#kernel.domainname = example.com
#net/ipv4/icmp_echo_ignore_broadcasts=1
vm.min_free_kbytes=8192
vm.dirty_expire_centisecs=1000
#vm.dirty_expire_centisecs=3000
vm.dirty_writeback_centisecs=250
#vm.dirty_writeback_centisecs=500
vm.dirty_ratio=10
#vm.dirty_ratio=40
vm.dirty_background_ratio=2
#vm.dirty_background_ratio=10
vm.swappiness=0
#vm.swappiness=60
vm.overcommit_ratio=0
#vm.overcommit_ratio=50
#default:
#vm.bdflush=30 500     0       0       500     3000    60      20      0
#vm.bdflush=10 500 0 0 500 1500 60 5 0
net.ipv4.tcp_rmem=4096 87380 174760
net.ipv4.tcp_wmem=4096 16384 131072
net.core.rmem_default=108544
net.core.wmem_default=108544
net.core.wmem_max=1048576
#net.core.wmem_max=131071
net.core.rmem_max=1048576
#net.core.rmem_max=131071
net.core.somaxconn=1024
#net.core.somaxconn=128
net.ipv4.tcp_max_syn_backlog=2048
#net.ipv4.tcp_max_syn_backlog=1024
net.ipv4.tcp_ecn=0
net.ipv4.tcp_abort_on_overflow=1
#net.ipv4.tcp_abort_on_overflow=0
et.core.netdev_max_backlog=300
#net.ipv4.tcp_keepalive_time=600
net.ipv4.tcp_moderate_rcvbuf=1
net.ipv4.netfilter.ip_conntrack_max=65536
fs.xfs.age_buffer_centisecs=300
#fs.xfs.age_buffer_centisecs=1500
fs.xfs.xfsbufd_centisecs=200
#fs.xfs.xfsbufd_centisecs=100
fs.xfs.xfssyncd_centisecs=600
#fs.xfs.xfssyncd_centisecs=3000
fs.aio-max-nr=131072
#fs.aio-max-nr=65536