System parameters on server perfblade4

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 perfblade4

processor	: 0
cpu family	: 6
model		: 23
model name	: Intel(R) Xeon(R) CPU           X5470  @ 3.33GHz
cpu MHz		: 3333.526
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		: 3333.526
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		: 3333.526
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		: 3333.526
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		: 3333.526
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		: 3333.526
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		: 3333.526
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		: 3333.526
cache size	: 6144 KB
cpu cores	: 4
cpuid level	: 13
cache_alignment	: 64
        
        

Memory info for server perfblade4

MemTotal:     16440344 kB
MemFree:      10505168 kB
SwapCached:          0 kB
SwapTotal:     2031608 kB
SwapFree:      2031608 kB
        
        

Kernel on server perfblade4

Linux 2.6.18-92.el5 #1 SMP Tue Apr 29 13:16:15 EDT 2008 x86_64