dawidwys commented on a change in pull request #7747: [FLINK-11653][DataStream]
Add configuration to enforce custom UID's o…
URL: https://github.com/apache/flink/pull/7747#discussion_r259360952
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java
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@@ -348,6 +348,13 @@ private StreamConfig createJobVertex(
"Did you generate them before calling
this method?");
}
+ if
(!streamGraph.getExecutionConfig().hasAutoGeneratedUIDsEnabled()) {
Review comment:
I tend to disagree. AFAIK for state mapping purposes all OperatorIds are
preserved, even those that are chained into a single operator chain (a single
chained JobVertex), otherwise it would be impossible to e.g. restore job with
changed chaining, right?
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