Оптимизация базы из под крона

0 2 * * * /usr/bin/php -f /home/bitrix/www/local/php_interface/optimaze.php

$_SERVER['DOCUMENT_ROOT'] = __DIR__ .'/../..';
$DOCUMENT_ROOT = $_SERVER['DOCUMENT_ROOT'];
define('STOP_STATISTICS', true);
define('NO_KEEP_STATISTIC', true);
define('NOT_CHECK_PERMISSIONS', true);
define('BX_NO_ACCELERATOR_RESET', true);
define('PERFMON_STOP', true);
@set_time_limit(0);
@ignore_user_abort(true);
require $_SERVER['DOCUMENT_ROOT'] . '/bitrix/modules/main/include/prolog_before.php';
@mb_http_output('utf-8');
@mb_internal_encoding('utf-8');
@mb_regex_encoding('utf-8');
$DBDebug = true;
function optimaze($filter)
{ global $DB; $res = $DB->Query('SHOW TABLES LIKE '$filter%''); if ($row = $res->Fetch()) { $keys = array_keys($row); $col = $keys[0]; do { $tbl = $row[$col]; $DB->Query('CHECK TABLE `$tbl`'); $DB->Query('OPTIMIZE TABLE `$tbl`'); } while($row = $res->Fetch()); }
}
optimaze('b_');
\Bitrix\Main\Config\Option::set('main', 'LAST_DB_OPTIMIZATION_TIME', time());