Thread:Project:Support desk/Uploading files is very slow and I have to restart apche

Uploading an file (.png, .pdf, .jpg etc.) mediawiki is loading page. To acces my wiki again, I have to restart apache, after restarting apache my wiki works again and the file I uploaded is displayed. MediaWiki 1.22.5 PHP 5.3.3 (apache2handler) MySQL 5.6.19-log What is the reason of my uploading problem? Thanks in advance