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Annotation of elwix/config/etc/default/sysctl.conf, revision 1.9.2.5

1.1       misho       1: #!/bin/sh
                      2: #
                      3: # elwix sysctl.conf
                      4: #
1.9.2.5 ! misho       5: # $Id: sysctl.conf,v 1.9.2.4 2017/06/19 12:54:49 misho Exp $
1.1       misho       6: 
1.5       misho       7: sysctl -w kern.coredump=0
1.9.2.5 ! misho       8: sysctl -w debug.debugger_on_panic=0
1.9.2.1   misho       9: sysctl -w net.bpf.zerocopy_enable=1
1.9.2.3   misho      10: sysctl -w net.bpf.optimize_writers=1
1.8       misho      11: sysctl -w kern.ipc.somaxconn=1024
                     12: sysctl -w kern.eventtimer.periodic=1
1.9.2.1   misho      13: sysctl -w net.route.netisr_maxqlen=2048
                     14: sysctl -w net.inet.ip.redirect=0
1.1       misho      15: sysctl -w net.inet.ip.forwarding=1
1.9.2.1   misho      16: sysctl -w net.inet.icmp.reply_from_interface=1
1.9.2.2   misho      17: sysctl -w net.inet.tcp.rfc1323=1
1.4       misho      18: sysctl -w net.inet.tcp.ecn.enable=1
1.5       misho      19: sysctl -w net.inet6.ip6.forwarding=1
                     20: sysctl -w net.inet6.ip6.accept_rtadv=0
                     21: sysctl -w net.inet6.ip6.no_radr=0
1.2       misho      22: sysctl -w kern.maxfilesperproc=4096
1.9.2.3   misho      23: #sysctl -w kern.maxfiles=65536
                     24: #sysctl -w kern.ipc.maxsockets=65536
1.4       misho      25: #sysctl -w kern.ipc.maxsockbuf=16777216
                     26: #sysctl -w kern.ipc.maxpipekva=16777216
1.9.2.1   misho      27: #sysctl -w net.graph.maxdgram=131072
                     28: #sysctl -w net.graph.recvspace=131072
                     29: # Sendmsg() cat't send messages more than maxdgram length.
                     30: # Default value causes routing software to fail with OSPF if jumbo frames is turned on.
                     31: sysctl -w net.inet.raw.maxdgram=16384
                     32: sysctl -w net.inet.raw.recvspace=16384
                     33: # Current CPU can manage a lot's more of interrupts than default (1000)
                     34: # The 9000 value was found in /usr/src/sys/dev/ixgbe/README
                     35: sysctl -w hw.intr_storm_threshold=9000
1.9.2.3   misho      36: 
                     37: sysctl -w kern.random.harvest.mask=351
1.9       misho      38: 
1.9.2.1   misho      39: # Improve a lot's the polling performance
                     40: # Enable idle_poll
                     41: #sysctl -w kern.polling.idle_poll=1
                     42: # The default value of 150 was for FastEthernet:
                     43: #sysctl -w kern.polling.burst_max=20000
                     44: #sysctl -w kern.polling.each_burst=50
                     45: # For a router, don't need to share 50/50 with user process
                     46: #sysctl -w kern.polling.user_frac=30
1.1       misho      47: 
1.9.2.1   misho      48: #sysctl -w hw.ath.bstuck=8
1.1       misho      49: #net.inet.tcp.mssdflt=1452
                     50: #net.inet.tcp.hostcache.expire=1
1.3       misho      51: #dev.ath.0.hal.ar5416_biasadj=1
1.9.2.1   misho      52: 
                     53: #Power save: Disable power for device with no driver loaded
                     54: sysctl -w hw.pci.do_power_nodriver=3
                     55: 
                     56: # blackhole(8)
                     57: # Disable this feature because prevent traceroute to works correctly
                     58: #sysctl -w net.inet.tcp.blackhole=2
                     59: #sysctl -w net.inet.udp.blackhole=1
                     60: # prevent users from seeing information about processes that
                     61: # are being run under another UID.
                     62: #sysctl -w security.bsd.see_other_uids=0
                     63: #sysctl -w security.bsd.see_other_gids=0
                     64: # Prevent some potential exploit
                     65: #sysctl -w security.bsd.unprivileged_proc_debug=0
1.9.2.4   misho      66: 
                     67: # Intel NIC tunning
                     68: #sysctl -w hw.em.rx_process_limit=-1
                     69: #sysctl -w hw.em.txd=2048
                     70: #sysctl -w hw.em.rxd=048
                     71: 
                     72: #sysctl -w hw.igb.rx_process_limit=-1
                     73: #sysctl -w hw.igb.txd=2048
                     74: #sysctl -w hw.igb.rxd=048
                     75: #sysctl -w hw.igb.max_interrupt_rate=16000