File:  [ELWIX - Embedded LightWeight unIX -] / elwix / config / etc / default / sysctl.conf
Revision 1.9.2.3: download - view: text, annotated - select for diffs - revision graph
Tue Jun 13 17:39:31 2017 UTC (7 years, 2 months ago) by misho
Branches: elwix2_6
Diff to: branchpoint 1.9: preferred, unified
adds new script
update build
new sysctl

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

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>