rkhachatryan commented on a change in pull request #11491:
[FLINK-16513][checkpointing] Unaligned checkpoints: checkpoint metadata
URL: https://github.com/apache/flink/pull/11491#discussion_r397456046
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/metadata/MetadataV3Serializer.java
##########
@@ -115,4 +120,31 @@ protected OperatorState
deserializeOperatorState(DataInputStream dis) throws IOE
return operatorState;
}
+
+ @VisibleForTesting
+ @Override
+ public void
serializeResultSubpartitionStateHandle(ResultSubpartitionStateHandle handle,
DataOutputStream dos) throws IOException {
+ channelStateHandleSerializer.serialize(handle, dos);
+ }
+
+ @VisibleForTesting
+ @Override
+ public ResultSubpartitionStateHandle
deserializeResultSubpartitionStateHandle(DataInputStream dis) throws
IOException {
+ final boolean hasResultSubpartitionStateHandle = dis.readInt()
!= 0;
Review comment:
Backward compatibility is maintained on a snapshot level (by having version
number at the beginning of it). This check is for cases when there is no state
(same approach as for other parts of the state).
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