Scylla's blog has some excellent technical content, though it's intermixed with lots release announcements. http://www.scylladb.com/2017/01/02/top-5-blog-posts-

Scylla's blog has some excellent technical content, though it's intermixed with lots release announcements. http://www.scylladb.com/2017/01/02/top-5-blog-posts-of-2016/ http://www.scylladb.com/2017/01/02/top-5-blog-posts-of-2016/ has some of the highlights.