RisingWave Community - What is the backup and restore story like for RisingWave?

RisingWave does not have savepoints, but it utilizes a meta service snapshot to manage state internally.
The meta service snapshot in RisingWave includes both state and offset data, similar to Flink savepoints.
Creating a meta snapshot in RisingWave backs up metadata stored in etcd, ensuring that all state and offset data in the object store is preserved.
Restoring states from a meta snapshot in RisingWave is fast and lightweight due to the storage design and LSM tree nature.
The meta snapshot in RisingWave stores metadata of states, while the actual states are stored in object store objects to prevent them from being garbage collected.