I found an example in the internet, and my code finally looks like
this;

$connection = sfContext::getInstance()->getDatabaseManager()-
>getDatabase('default')->getDoctrineConnection();
$connection->beginTransaction();
try {
while ($data = $reader->read())
{
        // some logics here
        $np = new Np();
        $np->setTime(date("Y-m-d H:i:s",($data[0] - 25569) * 86400 -
28800));
        // more set
        $np->setMerged(0);
        $np->save();
}
} catch (Exception $e) {
  $connection->rollback();
}

and it's fast!!

Thanks

On Jan 4, 9:07 pm, Ramunas <wool...@gmail.com> wrote:
> Hi,
>
> Try to use transactions. Things usually goes faster when you add all
> of your records in one transaction and then commit them.
>
> Tuesday, January 4, 2011, 12:54:33 AM, you wrote:

http://www.mohdshakir.net

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