# 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.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
#vm.nr_hugepages = 6000
net.ipv4.conf.all.arp_announce = 2
net.ipv4.conf.all.arp_ignore = 1
Processor info for server perfblade16
processor : 0
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU X5470 @ 3.33GHz
cpu MHz : 3333.519
cache size : 6144 KB
cpu cores : 4
cpuid level : 13
cache_alignment : 64
processor : 1
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU X5470 @ 3.33GHz
cpu MHz : 3333.519
cache size : 6144 KB
cpu cores : 4
cpuid level : 13
cache_alignment : 64
processor : 2
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU X5470 @ 3.33GHz
cpu MHz : 3333.519
cache size : 6144 KB
cpu cores : 4
cpuid level : 13
cache_alignment : 64
processor : 3
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU X5470 @ 3.33GHz
cpu MHz : 3333.519
cache size : 6144 KB
cpu cores : 4
cpuid level : 13
cache_alignment : 64
processor : 4
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU X5470 @ 3.33GHz
cpu MHz : 3333.519
cache size : 6144 KB
cpu cores : 4
cpuid level : 13
cache_alignment : 64
processor : 5
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU X5470 @ 3.33GHz
cpu MHz : 3333.519
cache size : 6144 KB
cpu cores : 4
cpuid level : 13
cache_alignment : 64
processor : 6
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU X5470 @ 3.33GHz
cpu MHz : 3333.519
cache size : 6144 KB
cpu cores : 4
cpuid level : 13
cache_alignment : 64
processor : 7
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU X5470 @ 3.33GHz
cpu MHz : 3333.519
cache size : 6144 KB
cpu cores : 4
cpuid level : 13
cache_alignment : 64
Memory info for server perfblade16
MemTotal: 16441376 kB
MemFree: 8453764 kB
SwapCached: 0 kB
SwapTotal: 4096564 kB
SwapFree: 4096564 kB
Kernel on server perfblade16
Linux 2.6.16.60-0.21-smp #1 SMP Tue May 6 12:41:02 UTC 2008 x86_64