What are the different ways to store state in Flink?
Flink supports multiple ways of storing state, including:
- Memory State Backend: storing state in memory, suitable for scenarios with low latency and high throughput.
- RocksDB State Backend: Storing state in RocksDB, suitable for scenarios requiring large-scale state storage.
- FsState Backend: Stores state in a distributed file system, suitable for scenarios requiring high reliability and durability.
- Custom State Backend: Users can implement their own custom state storage method based on their needs.
The storage methods for these states can be selected based on the specific application scenarios, allowing for flexible switching of storage methods in different scenarios.
