Software

Tweak Samba Performance in FreeBSD

For improved Read/Write speeds in Samba, build the ports package as follows:

# cd /usr/ports/net/samba35

# make

[select AIO_SUPPORT]

# make install clean

In /boot/loader.conf:

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aio_load="YES"

In /etc/sysctl.conf:

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## Tweaks for Samba
kern.ipc.maxsockbuf=16777216
kern.ipc.nmbclusters=32768
kern.ipc.somaxconn=32768
kern.maxfiles=65536
kern.maxfilesperproc=32768
kern.maxvnodes=800000
net.inet.tcp.delayed_ack=0
net.inet.tcp.inflight.enable=0
net.inet.tcp.path_mtu_discovery=0
net.inet.tcp.recvbuf_auto=1
net.inet.tcp.recvbuf_inc=524288
net.inet.tcp.recvbuf_max=16777216
net.inet.tcp.recvspace=65536
net.inet.tcp.rfc1323=1
net.inet.tcp.sendbuf_auto=1
net.inet.tcp.sendbuf_inc=524288
net.inet.tcp.sendspace=65536
net.inet.udp.maxdgram=57344
net.inet.udp.recvspace=65536
net.local.stream.recvspace=65536
net.inet.tcp.sendbuf_max=16777216
net.inet.tcp.mssdflt=1460

In /usr/local/etc/smb.conf:

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[global]
        workgroup = MASTER.LIT
        netbios name = SMB_PDC
        server string = Descartes
        interfaces = re0
        log file = /var/log/samba/log.%m
        max log size = 50
        domain logons = Yes
        os level = 65
        preferred master = Yes
        domain master = Yes
        dns proxy = No
        wins support = Yes
        hosts allow = 10.254.0.
        use sendfile = yes
        strict locking = no
        min receivefile size = 131072
        aio read size = 1
        aio write size = 1
        socket options = SO_KEEPALIVE TCP_NODELAY IPTOS_LOWDELAY IPTOS_THROUGHPUT

… and reboot for the changes to take effect.