Ask HN:"Error establishing a database connection" on sites submitted to HN

Whats up with all wordpress based sites submitted today at HN, I came across 2 instances (both wordpress) throwing "Error establishing a database connection".<p>Are pages submitted to HN today facing DDos ?<p>some eg. - http://www.ministryoftruth.me.uk/2013/07/24/cameron-porn-advisors-website-hacked-threatenslibels-blogger/<p>- http://blog.programmableweb.com/2013/07/23/standard-treasury-wants-to-bring-banks-into-the-21st-century/