Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/5230#discussion_r163932956
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/state/OperatorBackendSerializationProxy.java
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@@ -35,18 +35,24 @@
public static final int VERSION = 2;
--- End diff --
It seems like the `OperatorBackendSerializationProxy` will have new binary
formats after this change.
This should then have an uptick in the VERSION.
In general, I think the PR currently does not have any migration paths for
previous versions (where there is no broadcast state meta info written).
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