### System parameters on server DriverB

###

###

###

    # 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 DriverB

    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 DriverB

    MemTotal:     24752796 kB
    MemFree:      18520184 kB
    SwapCached:          0 kB
    SwapTotal:     2104504 kB
    SwapFree:      2104504 kB

            Kernel on server DriverB

    Linux 2.6.16.46-0.12-ppc64 #1 SMP Thu May 17 14:00:09 UTC 2007 ppc64