fredia commented on code in PR #19907:
URL: https://github.com/apache/flink/pull/19907#discussion_r895935387
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flink-runtime/src/main/java/org/apache/flink/runtime/state/TaskLocalStateStoreImpl.java:
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@@ -98,6 +104,15 @@ public class TaskLocalStateStoreImpl implements
OwnedTaskLocalStateStore {
@GuardedBy("lock")
private final SortedMap<Long, TaskStateSnapshot>
storedTaskStateByCheckpointID;
+ /** The relationship between checkpoints. (cp1,cp3) means cp3 refer to
cp1's state. */
+ private final Map<Long, Long> referredByCheckpointID;
+
+ /**
+ * (MaterializationID, created by checkpointID). Because local store only
keeps one checkpoint,
+ * at most one materialization can exist at the same time.
+ */
+ private Tuple2<Long, Long> currentMaterializationID;
+
public TaskLocalStateStoreImpl(
Review Comment:
Nice suggestion, I created ChangelogTaskLocalStateStore to encapsulate
changelog-specific logic.
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