Github user zhangminglei commented on a diff in the pull request:
https://github.com/apache/flink/pull/4125#discussion_r122953813
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/StateAssignmentOperation.java
---
@@ -464,6 +464,14 @@ private void collectPartionableStates(
private static void checkParallelismPreconditions(OperatorState
operatorState, ExecutionJobVertex executionJobVertex) {
//----------------------------------------max parallelism
preconditions-------------------------------------
+ if (operatorState.getMaxParallelism() <
executionJobVertex.getParallelism()) {
+ throw new IllegalStateException("The state for task " +
executionJobVertex.getJobVertexId() +
+ " can not be restored. The maximum parallelism
" + operatorState.getMaxParallelism() +
--- End diff --
Yes. I have updated the code. Please helps to check. :XD
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