start_workers () {
    echo "Starting workers with command: "
    echo "   $CELERYD_MULTI start $CELERYD_NODES $DAEMON_OPTS \
             --pidfile=\"$CELERYD_PID_FILE\" \
             --logfile=\"$CELERYD_LOG_FILE\" \
             --loglevel=\"$CELERYD_LOG_LEVEL\" \
             --cmd=\"$CELERYD\" $CELERYD_OPTS"
    $CELERYD_MULTI start $CELERYD_NODES $DAEMON_OPTS        \
                         --pidfile="$CELERYD_PID_FILE"      \
                         --logfile="$CELERYD_LOG_FILE"      \
                         --loglevel="$CELERYD_LOG_LEVEL"    \
                         --cmd="$CELERYD"                   \
                         $CELERYD_OPTS
}