Upstart configutation file for MongoDB with NUMA support

gistfile1.txt

# Move open file descriptors limit up.
limit nofile 32768 32768

# Wait 300 seconds (5 minutes) before issuing a kill ...
kill timeout 300

pre-start script
    # Basic house keeping ...
    mkdir -p /var/lib/mongodb &> /dev/null
    mkdir -p /var/log/mongodb &> /dev/null
    chown mongodb.nogroup /var/lib/mongodb &> /dev/null
    chown mongodb.nogroup /var/log/mongodb &> /dev/null
end script

start on runlevel [2345]
stop  on runlevel [06]

script
  # We start MongoDB by default unless it was overridden in /etc/default/mongodb.
  ENABLE_MONGODB='yes'

  # Location of the mongod binary.
  MONGOD_BINARY='/usr/bin/mongod'

  # Set command line parameters for mongod.
  MONGOD_OPTIONS='--config /etc/mongodb.conf'

  # Locate NUMA policy control binary.
  NUMACTL_BINARY=$( which numactl 2> /dev/null ; true )

  # Set default set of options.
  DAEMON_OPTIONS="$MONGOD_BINARY -- $MONGOD_OPTIONS"

  # Check whether hardware is a real NUMA platform.
  $( $NUMACTL_BINARY --hardware > /dev/null 2>&1 ) &&
  {
    # Override default set of options.
    DAEMON_OPTIONS="$NUMACTL_BINARY -- --interleave=all $MONGOD_BINARY $MONGOD_OPTIONS"
  }

  # Load configuration if exists.
  [ -f /etc/default/mongodb ] && . /etc/default/mongodb

  # Start MongoDB instance.
  [ "x${ENABLE_MONGODB}" = 'xyes' ] &&
  {
    exec start-stop-daemon --start --quiet --chuid mongodb --exec $DAEMON_OPTIONS
  }
end script