// the number of objects to generate and test for data distribution
$totalObjs = isset($argv[1]) ? $argv[1] : 1000;
// create the objs that we will be placing
$objs = array();
for ($n = 0; $n < $totalObjs; $n++) {
$objId = uuid_create();
// create an object key from the uuid of the object
// we would just use the UUID but this
// gets passed to srand which needs an int
$objKey = crc32($objId) >> 16 & 0x7fff;
$objs[$objId] = array('objKey' => $objKey);
}
// now we loop on each config
// and take stats on the distribution
// and data movement
$configs = makeConfigs(1, 39);
$totalConfs = count($configs);
$timings = array();
require_once 'PHPDFS/DataLocator/HonickyMillerR.php';
for ($n = 0; $n < $totalConfs; $n++) {
echo "processing conf {$n} with " . count($configs[$n]['clusters']) . " clusters.\n";
$totalTime = 0;
$hm = new PHPDFS_DataLocator_HonickyMillerR($configs[$n]);
foreach ($objs as $objId => $obj) {
$objKey = $obj['objKey'];
$time = microtime(1);
$hm->findNode($objKey);
$time2 = microtime(1);
$totalTime += $time2 - $time;
}
$timings[$n] = $totalTime / $totalObjs;
<?php
// the number of objects to generate and test for data distribution
$totalObjs = isset($argv[1]) ? $argv[1] : 1000;
// now we loop on each config
// and take stats on the distribution
// and data movement
$configs = makeConfigs(100);
$totalConfs = count($configs);
$timings = array();
require_once 'PHPDFS/DataLocator/RUSHr.php';
for ($n = 0; $n < $totalConfs; $n++) {
echo "processing conf {$n} with " . count($configs[$n]['clusters']) . " clusters.\n";
$totalTime = 0;
$hm = new PHPDFS_DataLocator_RUSHr($configs[$n]);
for ($i = 0; $i < $totalObjs; $i++) {
$objKey = uuid_create();
$time = microtime(1);
$hm->findNode($objKey);
$time2 = microtime(1);
$totalTime += $time2 - $time;
}
$timings[$n] = $totalTime / $totalObjs;
echo "avgtime:" . $timings[$n] . "\n";
}
print_r($timings);
function makeConfigs($numConfigs = 1)
{
$configs = array();
$replicationDegree = 3;
for ($num = 0; $num < $numConfigs; $num++) {
