Zend_Session save handler
Another good thing is storing your sessions in Redis.
Rediska has Zend_Session save handler:
<?php $options = array( 'keyPrefix' => 'SESSIONS_', 'lifetime' => 60 * 15 // 15 minutes // rediska - Rediska instance name, Rediska object or Rediska options for new instance. Default instance if not specified. 'rediska' => array( 'servers' => array( array('host' => '127.0.0.1') ) ) ); $saveHandler = new Rediska_Zend_Session_SaveHandler_Redis($options); Zend_Session::setSaveHandler($saveHandler); ?>
If there are no Rediska parameters in options (except keyPrefix and lifetime) save handler will use Rediska default instance.