Attachment 207685 Details for Bug 240729 – T420s sysctl.conf

T420s sysctl.conf

sysctl.conf (text/plain), 5.05 KB, created by Slawomir Wojciech Wojtczak on 2019-09-21 14:43:53 UTC

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Creator: Slawomir Wojciech Wojtczak

Created: 2019-09-21 14:43:53 UTC

Size: 5.05 KB

patch

obsolete

># SECURITY
>  security.bsd.see_jail_proc=0
>  security.bsd.unprivileged_proc_debug=0
>
># ANNOYING THINGS
>  vfs.usermount=1
>  kern.coredump=0
>  hw.syscons.bell=0
>  kern.vt.enable_bell=0
>
># SECURITY INTEL CPU MDS MITIGATION
># hw.mds_disable=3
>
># ZFS FUCKUP DELETE MOAR
>  vfs.zfs.per_txg_dirty_frees_percent=10
># vfs.zfs.per_txg_dirty_frees_percent: 30 -> 10
>  vfs.zfs.free_max_blocks=1000   
># vfs.zfs.free_max_blocks: 1000000 -> 1000
>  vfs.zfs.vdev.trim_max_active=1
># vfs.zfs.vdev.trim_max_active: 64 -> 2
>
># ZFS ARC | % top -b -o res | grep -i arc
>  kern.maxvnodes=4096
>
># BHYVE
># net.link.tap.up_on_open=1
># net.inet.ip.forwarding=1
>
># ALLOW UPGRADES IN JAILS
>  security.jail.chflags_allowed=1
>
># ALLOW RAW SOCKETS IN JAILS
>  security.jail.param.allow.raw_sockets=1
>  security.jail.allow_raw_sockets=1
>
># DESKTOP/QT4/SETTINGS
>  kern.ipc.shmall=524288
>
># DESKTOP/INTERACTIVITY
>  kern.sched.preempt_thresh=224
>  kern.sched.quantum=16000
>
># RANDOM PID
>  kern.randompid=1
>
># DESKTOP/IRIDIUM/CHROMIUM
>  kern.ipc.shm_allow_removed=1
>
># PERFORMANCE/ALL SHARED MEMORY SEGMENTS WILL BE MAPPED TO UNPAGEABLE RAM 
>  kern.ipc.shm_use_phys=1
>
># ZFS/SCRUB RESILVER PERFORMANCE
># vfs.zfs.scrub_delay=0
># vfs.zfs.top_maxinflight=128
># vfs.zfs.resilver_min_time_ms=5000
># vfs.zfs.resilver_delay=0
>
># ZFS/SWAP
># vm.v_free_target=131072
># vm.v_free_min=65536
># vm.v_free_severe=65536
># vm.v_free_reserved=32768
># vfs.zfs.arc_free_target=196608
>
># ZFS/SWAP/NEW
># vm.v_free_min=49152    # 192M
># vm.v_free_severe=32768 # 128M
># vm.v_free_target=65536 # 256M
>
># ZFS MAXIMUM SCRUB/RESILVER PERFORMANCE
># vfs.zfs.scrub_delay=0
># vfs.zfs.top_maxinflight=128
># vfs.zfs.resilver_min_time_ms=5000
># vfs.zfs.resilver_delay=0
>
># TRACKING SENSITIVITY FOR IBM/LENOVO TRACKPOINT AND SYNAPTICS TOUCHPADS
># hw.psm.trackpoint.sensitivity=255
># hw.psm.trackpoint.upper_plateau=125
>
># VIRTUALBOX AND AIO
>  vfs.aio.max_buf_aio=8192
>  vfs.aio.max_aio_queue_per_proc=65536
>  vfs.aio.max_aio_per_proc=8192
>  vfs.aio.max_aio_queue=65536
>
># MEMORY OVERCOMMIT SEE tuning(7)
>  vm.overcommit=2
>
># NETWORK/DO NOT SEND RST ON SEGMENTS TO CLOSED PORTS
>  net.inet.tcp.blackhole=2
>
># NETWORK/DO NOT SEND PORT UNREACHABLES FOR REFUSED CONNECTS
>  net.inet.udp.blackhole=1
>
># NETWORK/ENABLE SCTP BLACKHOLING blackhole(4) FOR MORE DETAILS
>  net.inet.sctp.blackhole=1
>
># NETWORK/MAX SIZE OF AUTOMATIC RECEIVE BUFFER (2097152) [8x]
>  net.inet.tcp.recvbuf_max=16777216
>
># NETWORK/MAX SIZE OF AUTOMATIC SEND BUFFER (2097152) [8x]
>  net.inet.tcp.sendbuf_max=16777216
>
># NETWORK/MAXIMUM SOCKET BUFFER SIZE (5242880) [3.2x]
>  kern.ipc.maxsockbuf=16777216
>
># NETWORK/MAXIMUM LISTEN SOCKET PENDING CONNECTION ACCEPT QUEUE SIZE (128) [8x]
>  kern.ipc.soacceptqueue=1024
>
># NETWORK/DEFAULT tcp MAXIMUM SEGMENT SIZE (536) [2.7x]
>  net.inet.tcp.mssdflt=1460
>
># NETWORK/MINIMUM TCP MAXIMUM SEGMENT SIZE (216) [6x]
>  net.inet.tcp.minmss=1300
>
># NETWORK/LIMIT ON SYN/ACK RETRANSMISSIONS (3)
>  net.inet.tcp.syncache.rexmtlimit=0
>
># NETWORK/USE TCP SYN COOKIES IF THE SYNCACHE OVERFLOWS (1)
>  net.inet.tcp.syncookies=0
>
># NETWORK/ENABLE TCP SEGMENTATION OFFLOAD (1)
>  net.inet.tcp.tso=0
>
># NETWORK/ENABLE IP OPTIONS PROCESSING ([LS]SRR, RR, TS) (1)
>  net.inet.ip.process_options=0
>
># NETWORK/ASSIGN RANDOM ip_id VALUES (0)
>  net.inet.ip.random_id=1
>
># NETWORK/ENABLE SENDING IP REDIRECTS (1)
>  net.inet.ip.redirect=0
>
># NETWORK/IGNORE ICMP REDIRECTS (0)
>  net.inet.icmp.drop_redirect=1
>
># NETWORK/ASSUME SO_KEEPALIVE ON ALL TCP CONNECTIONS (1)
>  net.inet.tcp.always_keepalive=0
>
># NETWORK/DROP TCP PACKETS WITH SYN+FIN SET (0)
>  net.inet.tcp.drop_synfin=1
>
># NETWORK/RECYCLE CLOSED FIN_WAIT_2 CONNECTIONS FASTER (0)
>  net.inet.tcp.fast_finwait2_recycle=1
>
># NETWORK/CERTAIN ICMP UNREACHABLE MESSAGES MAY ABORT CONNECTIONS IN SYN_SENT (1)
>  net.inet.tcp.icmp_may_rst=0
>
># NETWORK/MAXIMUM SEGMENT LIFETIME (30000) [0.27x]
>  net.inet.tcp.msl=8192
>
># NETWORK/ENABLE PATH MTU DISCOVERY (1)
>  net.inet.tcp.path_mtu_discovery=0
>
># NETWORK/EXPIRE TIME OF TCP HOSTCACHE ENTRIES (3600) [2x]
>  net.inet.tcp.hostcache.expire=7200
>
># NETWORK/TIME BEFORE DELAYED ACK IS SENT (100) [0.2x]
>  net.inet.tcp.delacktime=20
>
># NEW/NETWORK/STEP SIZE INCREMENTOR OF AUTOMATIC RECEIVE BUFFER
>  net.inet.tcp.recvbuf_inc=524288
>
># NEW/NETWORK/STEP SIZE INCREMENTOR OF AUTOMATIC SEND BUFFER
>  net.inet.tcp.sendbuf_inc=524288
>
># NEW/NETWORK/INITIAL SEND SOCKET BUFFER SIZE
>  net.inet.tcp.sendspace=65536
>
># NEW/NETWORK/MAXIMUM OUTGOING UDP DATAGRAM SIZE
>  net.inet.udp.maxdgram=65536
>
># NEW/NETWORK/MAXIMUM SPACE FOR INCOMING UDP DATAGRAMS
>  net.inet.udp.recvspace=65536
>
># NEW/NETWORK/DEFAULT STREAM RECEIVE SPACE
>  net.local.stream.recvspace=65536
>
># NEW/NETWORK/DEFAULT STREAM SEND SPACE
>  net.local.stream.sendspace=65536
>
># UFS TRIM CONSOLODATION
># vfs.ffs.dotrimcons=1
>
># UFS READ AHEAD
>  vfs.read_max=128
>
># UFS DIR HASH MEMORY
>  vfs.ufs.dirhash_maxmem=67108864
>
># ON FreeBSD < 11.3 Web Content PROCESS MAY FREQUENTLY CRASH DUE TO BUG 181741
>  net.local.stream.recvspace=65536
>
># ACPI SUSPEND/RESUME
>  hw.acpi.verbose=0
>  hw.acpi.sleep_delay=3
>  hw.acpi.reset_video=1
># hw.acpi.sleep_button_state=S3
># hw.acpi.power_button_state=S5
>  hw.syscons.sc_no_suspend_vtswitch=0
>

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Attachments on bug 240729: 207681 | 207682 | 207683 | 207684 | 207685 | 207818 | 207819