### System parameters on server trinity21

###

###

###

    # 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
    # increase the number of possible inotify(7) watches
    fs.inotify.max_user_watches = 65536
    # avoid deleting secondary IPs on deleting the primary IP
    net.ipv4.conf.default.promote_secondaries = 1
    net.ipv4.conf.all.promote_secondaries = 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

    # vm.nr_hugepages = 9216
    # 12GB of Large Pages
    # vm.nr_hugepages = 6144
    # 13GB of Large Pages
    # vm.nr_hugepages = 6656
    ##Disabled for driver usage
    ## 16GB of Large Pages
    #vm.nr_hugepages = 8192
    # 18GB of Large Pages
    # vm.nr_hugepages = 9216
    # 20GB of Large Pages
    # vm.nr_hugepages = 10240
    # 32GB of Large Pages
    # vm.nr_hugepages = 16384

    kernel.sched_compat_yield = 1

    ## From Vijay
    net.core.somaxconn = 32767
    net.core.netdev_max_backlog = 250000
    net.ipv4.tcp_fin_timeout = 30
    net.ipv4.tcp_keepalive_intvl = 15
    net.ipv4.tcp_keepalive_probes = 5
    net.core.rmem_max = 32554432
    net.core.wmem_max = 32554432
    net.ipv4.tcp_rmem = 20480 174760 32554432
    net.ipv4.tcp_wmem = 20480 174760 32554432
    net.ipv4.tcp_window_scaling = 1
    net.ipv4.tcp_timestamps = 1
    net.ipv4.tcp_sack = 1
    net.ipv4.tcp_no_metrics_save = 1

            Processor info for server trinity21

    Maximum frequency is 3325 MHz\n\n
    processor	: 0
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 1
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 2
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 3
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 3325.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 4
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 5
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 3325.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 6
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 7
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 8
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 9
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 10
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 11
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 12
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 13
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 14
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 15
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 16
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 17
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 18
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 19
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 20
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 21
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 22
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64
    processor	: 23
    cpu family	: 6
    model		: 44
    model name	: Intel(R) Xeon(R) CPU           X5680  @ 3.33GHz
    cpu MHz		: 1596.000
    cache size	: 12288 KB
    cpu cores	: 6
    cpuid level	: 11
    cache_alignment	: 64

            Memory info for server trinity21

    MemTotal:       99063880 kB
    MemFree:        95776912 kB
    SwapCached:            0 kB
    SwapTotal:       2104504 kB
    SwapFree:        2104504 kB

            Kernel on server trinity21

    Linux 2.6.32.12-0.7-default #1 SMP 2010-05-20 11:14:20 +0200 x86_64