They have an introductory blog post that explains the database fairly well (summary: it was designed for a shard per user): http://blog.biokoda.com/post/1122067

They have an introductory blog post that explains the database fairly well (summary: it was designed for a shard per user): http://blog.biokoda.com/post/112206754025/why-we-built-actordb http://blog.biokoda.com/post/112206754025/why-we-built-actor... If you are looking at distributed SQLite solutions there is also rqlite/dqlite and bedrock.