Bin packing on the master

packer.php

<?php

$dir = getcwd();
foreach (file('/usr/local/etc/baseline.csv') as $row) {
  list($k, $v) = explode(',', trim($row));
  $a[$k] = (int)$v;
}
$a = array_reverse($a);
$bins[] = array('sum' => 0, 'data' => array());
foreach ($a as $name => $time) {
  foreach ($bins as &$bin) {
    if ($time + $bin['sum'] <= 275907) {
      $bin['sum'] += $time;
      $bin['data'][]= $name;
      continue 2;
    }
  }
  $bins[] = array('sum' => $time, 'data' => array($name));
  unset($bin);
}
chdir('/tmp/serverlist');
foreach (glob('10*') as $key => $server) {
  $bin = $bins[$key];
  file_put_contents("$dir/$server", implode("\n", $bin['data']));
}

results.csv