gistfile1.php

<?php

use Phalcon\Mvc\Model\Transaction\Manager as TxManager;

class TestTask extends \Phalcon\CLI\Task
{

    public function doAction()
    {
        $config = $GLOBALS['config'];

        $this->di->set("transactionManager", new TxManager());

        for ($i = 0; $i < 9999999; $i++) {
            $this->ins();
        }
    }

    private function ins()
    {
        $manager = $this->di["transactionManager"];
        $transaction = $manager->get();

        $project = new \Models\Project();
        $project->setTransaction($transaction);
        $project->name = 'Test';
        $project->description = 'Some text...';

        if (true != $project->save()) {
            $transaction->rollBack("Unable to save Project. errors:" . print_r($project->getMessages(), true));
        }

        $target = new \Models\Target();
        $target->setTransaction($transaction);
        $target->name = 'Target name';
        $target->project_id = $project->id;

        if (true != $target->save()) {
            $transaction->rollBack("Unable to save Target. errors:" . print_r($target->getMessages(), true));
        }

        $transaction->commit();
    }
}