Does setting uid affect the default chaining (ie if I have two maps in a row and set uid on both)?
This <http://doc.flink-china.org/1.2.0/ops/upgrading.html#application-topology> makes me think there's no effect All operators that are part of a chain should be assigned an ID as > described in the Matching Operator State > <http://doc.flink-china.org/1.2.0/ops/upgrading.html#Matching Operator > State> section above. Thanks, Emily
