Taille de Processus Apache énorme !

Salut tout le monde , J'ai listé tous les modules chargés :

Code:

core_module (static)
 log_config_module (static)
 logio_module (static)
 mpm_prefork_module (static)
 http_module (static)
 so_module (static)
 alias_module (shared)
 auth_basic_module (shared)
 authn_file_module (shared)
 authz_default_module (shared)
 authz_groupfile_module (shared)
 authz_host_module (shared)
 authz_user_module (shared)
 autoindex_module (shared)
 cgi_module (shared)
 deflate_module (shared)
 dir_module (shared)
 env_module (shared)
 expires_module (shared)
 headers_module (shared)
 mime_module (shared)
 evasive20_module (shared)
 negotiation_module (shared)
 php5_module (shared)
 reqtimeout_module (shared)
 rewrite_module (shared)
 setenvif_module (shared)
 status_module (shared)

Quels sont les modules dont je n'ai pas besoin ?
je ne connais pas l'utilité de tous les modules , mais je ne sais pas si ils sont indispensables . Voilà..

 

Code:

aptitude search apache2|grep "^i"
i   apache2                         - Apache HTTP Server metapackage            
i A apache2-mpm-prefork             - Apache HTTP Server - traditional non-threa
i A apache2-utils                   - utility programs for webservers           
i A apache2.2-bin                   - Apache HTTP Server common binary files    
i A apache2.2-common                - Apache HTTP Server common files           
i   libapache2-mod-evasive          - evasive module to minimize HTTP DoS or bru
i A libapache2-mod-php5             - server-side, HTML-embedded scripting langu