Key | Default | Type | Description
--- | --- | --- | ---
##### state.backend.type | "hashmap" | String | The state backend to be used to store state. The implementation can be specified either via their shortcut name, or via the class name of a `StateBackendFactory`. If a factory is specified it is instantiated via its zero argument constructor and its `StateBackendFactory#createFromConfig(ReadableConfig, ClassLoader)` method is called. Recognized shortcut names are 'hashmap' and 'rocksdb'.