Do it like this (file news.php):
— If id comes in, then worked the old link. Query to the database, remove my-mega-novost, then
Header( "HTTP/1.1 301 Moved Permanently" );
Header( "Location: www.mysite.com/news/my-mega-novost.thml
— If it comes my-mega-novost, just print the news.
Yandex instantly preindustiral site slowdown I didn't notice at all. However, and much avail yet. Apparently, we have to wait a bit.