ElggBatch performance test

test.php

<?php

require_once __DIR__ . '/engine/start.php';

echo 'tail your log file';

// Ignore user aborts and allow the script to run forever
ignore_user_abort(true);
session_write_close();
set_time_limit(0);

// Tell the browser that we are done
header("Connection: close");
$size = ob_get_length();
header("Content-Length: $size");
ob_end_flush();
flush();

elgg_set_ignore_access();

$options = array(
        'type' => 'group',
       	'subtype' => ELGG_ENTITIES_ANY_VALUE,
        'limit' => false
);

$batch_size = 100;
$batch = new ElggBatch('elgg_get_entities', $options, null, $batch_size);

error_log('starting batch');
$fetch_time_start = time();
$count = 0;
$b = 0;
foreach ($batch as $e) {
        $count++;
        if (($count % $batch_size) == 1) {
               	$b++;
                $fetch_time = time() - $fetch_time_start;
                error_log('batch #' . $b . ' fetched in ' . $fetch_time . ' seconds');
               	error_log('start of new batch');
       	}


        if (!($count % $batch_size)) {
               	error_log('end of batch');
               	$fetch_time_start = time();
       	}
}