tzulitai commented on issue #8570: [FLINK-12688] [state] Make serializer lazy initialization thread safe in StateDescriptor URL: https://github.com/apache/flink/pull/8570#issuecomment-497577479 @flinkbot approve consensus I'm approving the consensus to fix the problem like this, before we attempt to tackle the problem that serializers can only be lazily instantiated due to lack of `ExecutionConfig`. Just as a food for thought, there was a similar attempt in the past to make the `StateDescriptor` safe to be used across different threads w.r.t. accessing the state serializer: https://issues.apache.org/jira/browse/FLINK-6775. Apparently, that only partially solved the issue.
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