We target < 1ms latency for 99.9% Some initial results here http://www.scylladb.com/technology/cassandra-vs-scylla-latency-benchmark/ http://www.scylladb.com/t

We target < 1ms latency for 99.9% Some initial results here http://www.scylladb.com/technology/cassandra-vs-scylla-latency-benchmark/ http://www.scylladb.com/technology/cassandra-vs-scylla-laten... DB API (CQL) is Cassandra compatible, so clients does not have to change. For more on the lock free communication see http://www.seastar-project.org/ http://www.seastar-project.org/ Seastar is the underline framework of Scylla There is an open bug for batch https://github.com/scylladb/scylla/issues/332 https://github.com/scylladb/scylla/issues/332 hopefully we will fix it shortly.