sunhaibotb commented on a change in pull request #8742: [FLINK-11879] Add
validators for the uses of InputSelectable, BoundedOneInput and
BoundedMultiInput
URL: https://github.com/apache/flink/pull/8742#discussion_r301370513
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
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@@ -337,6 +338,9 @@ public final void invoke() throws Exception {
operatorChain = new OperatorChain<>(this,
recordWriters);
headOperator = operatorChain.getHeadOperator();
+ // check environment for selective reading
+ checkSelectiveReadingEnv();
Review comment:
I'm not sure if what you're talking about is the first way I said. If yes, I
don't think it's necessary to add a boolean field to the job graph for the
checking logic which will be removed in the future. If not, I understand you're
talking about the second way as I said, that `StreamOperatorFactory` needs to
be deserialized from `StreamConfig` on the JM side, which will increase the
cost ( Please note that JM currently does not need to deserialize
`StreamConfig`). If neither method is not, I don't know what your proposal is
like.
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