Lots of iometer results have been posted results in these threads over at VMTN.
Config file is here: OpenPerformanceTest.icf (8GB) OpenPerformanceTest16.icf (16GB) OpenPerformanceTest32.icf (32GB)
$counter = "teller";
$fd = fopen($counter, "r+");
$num = fread($fd, filesize( $counter ));
$users = $num + 1;
// echo "$users hits since December 11th 2010. ";
// echo '