Valores recomendados de configuración de PHP:
upload_max_filesize = 32M post_max_size = 48M memory_limit = 256M max_execution_time = 600 max_input_vars = 1000 max_input_time = 400
Otros valores:
upload_max_filesize = 128M post_max_size = 128M memory_limit = 512M max_execution_time = 600 max_input_vars = 1000 max_input_time = 400