#MesosCon 2015

This talk will discuss the persistence primitives recently built into Mesos. Persistent primitives provide native support for running stateful services like Cassandra and MySQL in Mesos, which makes it possible for us to further consolidate workloads in the data center and improve overall cluster utilization. The goal of persistent primitives is to allow a framework to have guaranteed access to its lost state even after task failover or slave restart. To achieve that, we first discuss a primitive that allows tasks to write persistent data which won’t be garbage collected after tasks finish. Then, we discuss the primitive that allows frameworks to dynamically reserve resources for their stateful tasks upon launching so that the stateful tasks can always be re-launched on the same slave that contains their persisted state.