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Annotation of elwix/config/etc/default/sysctl.conf, revision 1.10.4.1

1.1       misho       1: #!/bin/sh
                      2: #
                      3: # elwix sysctl.conf
                      4: #
1.10.4.1! misho       5: # $Id: sysctl.conf,v 1.10 2021/03/11 13:59:50 misho Exp $
1.1       misho       6: 
1.5       misho       7: sysctl -w kern.coredump=0
1.10      misho       8: sysctl -w debug.debugger_on_panic=0
                      9: sysctl -w net.bpf.zerocopy_enable=1
                     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
1.10      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
1.10      misho      16: sysctl -w net.inet.icmp.reply_from_interface=1
                     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
1.10.4.1! misho      23: sysctl -w net.inet.tcp.sendbuf_auto=1
        !            24: sysctl -w net.inet.tcp.recvbuf_auto=1
        !            25: sysctl -w net.inet.tcp.sendbuf_inc=16384
        !            26: sysctl -w net.inet.tcp.recvbuf_inc=524288
1.10      misho      27: #sysctl -w kern.maxfiles=65536
                     28: #sysctl -w kern.ipc.maxsockets=65536
1.4       misho      29: #sysctl -w kern.ipc.maxsockbuf=16777216
1.10.4.1! misho      30: #sysctl -w net.inet.tcp.sendbuf_max=16777216
        !            31: #sysctl -w net.inet.tcp.recvbuf_max=16777216
1.4       misho      32: #sysctl -w kern.ipc.maxpipekva=16777216
1.10      misho      33: #sysctl -w net.graph.maxdgram=131072
                     34: #sysctl -w net.graph.recvspace=131072
                     35: # Sendmsg() cat't send messages more than maxdgram length.
                     36: # Default value causes routing software to fail with OSPF if jumbo frames is turned on.
                     37: sysctl -w net.inet.raw.maxdgram=16384
                     38: sysctl -w net.inet.raw.recvspace=16384
                     39: # Current CPU can manage a lot's more of interrupts than default (1000)
                     40: # The 9000 value was found in /usr/src/sys/dev/ixgbe/README
                     41: sysctl -w hw.intr_storm_threshold=9000
                     42: 
                     43: sysctl -w kern.random.harvest.mask=351
                     44: 
                     45: # Improve a lot's the polling performance
                     46: # Enable idle_poll
                     47: #sysctl -w kern.polling.idle_poll=1
                     48: # The default value of 150 was for FastEthernet:
                     49: #sysctl -w kern.polling.burst_max=20000
                     50: #sysctl -w kern.polling.each_burst=50
                     51: # For a router, don't need to share 50/50 with user process
                     52: #sysctl -w kern.polling.user_frac=30
1.9       misho      53: 
                     54: #sysctl -w hw.ath.bstuck=8
1.1       misho      55: #net.inet.tcp.mssdflt=1452
                     56: #net.inet.tcp.hostcache.expire=1
1.10      misho      57: #dev.ath.0.hal.ar5416_biasadj=1
1.3       misho      58: 
1.10      misho      59: #Power save: Disable power for device with no driver loaded
                     60: sysctl -w hw.pci.do_power_nodriver=3
                     61: 
                     62: # blackhole(8)
                     63: # Disable this feature because prevent traceroute to works correctly
                     64: #sysctl -w net.inet.tcp.blackhole=2
                     65: #sysctl -w net.inet.udp.blackhole=1
                     66: # prevent users from seeing information about processes that
                     67: # are being run under another UID.
                     68: #sysctl -w security.bsd.see_other_uids=0
                     69: #sysctl -w security.bsd.see_other_gids=0
                     70: # Prevent some potential exploit
                     71: #sysctl -w security.bsd.unprivileged_proc_debug=0
                     72: 
                     73: # Intel NIC tunning
                     74: #sysctl -w hw.em.rx_process_limit=-1
                     75: #sysctl -w hw.em.txd=2048
                     76: #sysctl -w hw.em.rxd=048
                     77: 
                     78: #sysctl -w hw.igb.rx_process_limit=-1
                     79: #sysctl -w hw.igb.txd=2048
                     80: #sysctl -w hw.igb.rxd=048
                     81: #sysctl -w hw.igb.max_interrupt_rate=16000