Package | Description |
---|---|
org.apache.flink.contrib.streaming.state | |
org.apache.flink.runtime.state | |
org.apache.flink.runtime.state.heap |
This package contains the classes for key/value state backends that store the state
on the JVM heap as objects.
|
org.apache.flink.streaming.api.operators |
Modifier and Type | Class and Description |
---|---|
class |
RocksDBKeyedStateBackend<K>
An
AbstractKeyedStateBackend that stores its state in RocksDB and serializes state to
streams provided by a CheckpointStreamFactory upon
checkpointing. |
Modifier and Type | Interface and Description |
---|---|
interface |
OperatorStateBackend
Interface that combines both, the user facing
OperatorStateStore interface and the system interface
Snapshotable |
Modifier and Type | Class and Description |
---|---|
class |
AbstractKeyedStateBackend<K>
Base implementation of KeyedStateBackend.
|
class |
DefaultOperatorStateBackend
Default implementation of OperatorStateStore that provides the ability to make snapshots.
|
Modifier and Type | Class and Description |
---|---|
class |
HeapKeyedStateBackend<K>
A
AbstractKeyedStateBackend that keeps state on the Java Heap and will serialize state to
streams provided by a CheckpointStreamFactory upon checkpointing. |
Modifier and Type | Class and Description |
---|---|
class |
BackendRestorerProcedure<T extends Closeable & Disposable & Snapshotable<?,Collection<S>>,S extends StateObject>
This class implements the logic that creates (and potentially restores) a state backend.
|
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