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flink_state
Features
Why is flink involved in managing state
- Local:
- Flink state is kept local to the machine that processes it
- Can be accessed at memory speed
- Durable: Flink state is fault-tolerant
- Automatically checkpointed at regular intervals
- Restored upon failure
- Vertically scalable
- Flink state can be kept in embedded RocksDB instances
- Scale by adding more local disk
- Horizontally scalable
- Flink state is redistributed as your cluster grows and shrinks