## attempt to prevent order 5 page allocation failures due to veth operations
## see also http://blogs.linbit.com/p/28/kernel-min_free_kbytes/

# vm.min_free_kbytes = 242000

## increase max files open (*32 times default of 7169445)
fs.file-max = 229422240

## formula from http://www.petersap.nl/SybaseWiki/index.php?title=Linux_configuration_settings_for_Sybase_ASE
## (disk i/o structures + max async i/os per engine) * max online engines
## (1048576 + 8192) * 32 engines = 33816576
fs.aio-max-nr = 67633152

## tuning for huge connections workloads
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_rmem = 4096 87380 16777216
net.ipv4.tcp_wmem = 4096 16384 16777216
net.core.somaxconn = 4096
net.core.netdev_max_backlog = 16384
net.ipv4.tcp_max_syn_backlog = 8192
net.ipv4.tcp_syncookies = 1
net.ipv4.ip_local_port_range = 1024 65535
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_congestion_control = cubic

#Disable ipv6 for now
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1