Today’s Downtime Due to Hardware Failure, Tumblr Says

Today’s downtime was unrelated to the roll-out of its share buttons, which happened around the same time; and was not the result of a malicious attack by 4chan, as was speculated by some in the Twttrvrs and the blogosphere.  “Two hardware failures in the same database cluster have dramatically lowered performance for those blogs. Recovery is moving quickly,” Tumblr says.