As GigaOM reports today, NorthScale Inc., which offers data management technology surrounding the open source memcached caching project, has raised $10 million in Series B funding from Mayfield Fund, and previous investors Accel Partners and North Bridge Venture Partners. The company's total funding is now at $15 million. Memcached is used by many web sites, including Wikipedia, Twitter and Flickr. Find out more, including the arrival of a new CEO, at GigaOM.