# Disable response to broadcasts.
# You don't want yourself becoming a Smurf amplifier.
net.ipv4.icmp_echo_ignore_broadcasts = 1
# enable route verification on all interfaces
net.ipv4.conf.all.rp_filter = 1
# enable ipV6 forwarding
#net.ipv6.conf.all.forwarding = 1
fs.file-max = 1048576
kernel.sem = 250 32000 100 128
# kernel.shmall = 4294967296
# kernel.shmmax = 68719476736
net.core.netdev_max_backlog = 400000
net.core.optmem_max = 30000000
net.core.rmem_default = 30000000
net.core.wmem_default = 30000000
net.core.rmem_max = 30000000
net.core.wmem_max = 30000000
net.core.somaxconn = 300000
net.ipv4.conf.all.arp_announce = 2
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.ip_forward = 0
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_fin_timeout = 10
net.ipv4.tcp_max_syn_backlog = 30000
net.ipv4.tcp_max_tw_buckets = 2000000
net.ipv4.tcp_mem = 30000000 30000000 30000000
net.ipv4.tcp_rmem = 30000000 30000000 30000000
net.ipv4.tcp_wmem = 30000000 30000000 30000000
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_sack = 0
Processor info for server DriverA
processor : 0
cpu : POWER5+ (gs)
processor : 1
cpu : POWER5+ (gs)
processor : 2
cpu : POWER5+ (gs)
processor : 3
cpu : POWER5+ (gs)
processor : 4
cpu : POWER5+ (gs)
processor : 5
cpu : POWER5+ (gs)
processor : 6
cpu : POWER5+ (gs)
processor : 7
cpu : POWER5+ (gs)
processor : 8
cpu : POWER5+ (gs)
processor : 9
cpu : POWER5+ (gs)
processor : 10
cpu : POWER5+ (gs)
processor : 11
cpu : POWER5+ (gs)
processor : 12
cpu : POWER5+ (gs)
processor : 13
cpu : POWER5+ (gs)
processor : 14
cpu : POWER5+ (gs)
processor : 15
cpu : POWER5+ (gs)
Memory info for server DriverA
MemTotal: 24754172 kB
MemFree: 23611408 kB
SwapCached: 0 kB
SwapTotal: 2104504 kB
SwapFree: 2104504 kB
Kernel on server DriverA
Linux 2.6.16.46-0.12-ppc64 #1 SMP Thu May 17 14:00:09 UTC 2007 ppc64