Joomla 2.5.14 mysql - memory issue

Joomla 2.5.14 mysql - memory issue

Can someone explain this Joomla error to me -- what to do to fix it. It
shows up with debug on. We seem to have a memory leak? Mysql runs slow
than site crashes.
Function Location
JSite->dispatch() /home/greatfam/public_html/index.php:52
JComponentHelper::renderComponent()
/home/greatfam/public_html/includes/application.php:197
JComponentHelper::executeComponent()
/home/greatfam/public_html/libraries/joomla/application/component/helper.php:351
require_once()
/home/greatfam/public_html/libraries/joomla/application/component/helper.php:383
JController->execute()
/home/greatfam/public_html/components/com_content/content.php:16
ContentController->display()
/home/greatfam/public_html/libraries/joomla/application/component/controller.php:761
JController->display()
/home/greatfam/public_html/components/com_content/controller.php:74
ContentViewArticle->display()
/home/greatfam/public_html/libraries/joomla/application/component/controller.php:722
JView->get()
/home/greatfam/public_html/components/com_content/views/article/view.html.php:32
ContentModelArticle->getItem()
/home/greatfam/public_html/plugins/system/jat3/jat3/core/joomla/view.php:348
JError::raiseError()
/home/greatfam/public_html/components/com_content/models/article.php:172
JError::raise()
/home/greatfam/public_html/libraries/joomla/error/error.php:251