pnowojski commented on a change in pull request #11491: [FLINK-16513][checkpointing] Unaligned checkpoints: checkpoint metadata URL: https://github.com/apache/flink/pull/11491#discussion_r396993972
########## 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: are you sure that `dis.readInt() != 0` is good enough check to maintain backward compatibility? Do we have test coverage for that? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services