ldadima commented on code in PR #24784:
URL: https://github.com/apache/flink/pull/24784#discussion_r1603110590
##########
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/StateAssignmentOperation.java:
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@@ -421,7 +423,27 @@ public void
reDistributeInputChannelStates(TaskStateAssignment stateAssignment)
stateAssignment.oldState.get(stateAssignment.inputOperatorID);
final List<List<InputChannelStateHandle>> inputOperatorState =
splitBySubtasks(inputState,
OperatorSubtaskState::getInputChannelState);
- if (inputState.getParallelism() ==
executionJobVertex.getParallelism()) {
+
+ boolean noNeedRescale =
+
stateAssignment.executionJobVertex.getJobVertex().getInputs().stream()
+ .map(JobEdge::getDownstreamSubtaskStateMapper)
+ .anyMatch(m ->
!m.equals(SubtaskStateMapper.FULL))
+ &&
stateAssignment.executionJobVertex.getInputs().stream()
+ .map(IntermediateResult::getProducer)
+ .map(vertexAssignments::get)
+ .anyMatch(
+ taskStateAssignment -> {
+ final int oldParallelism =
+ stateAssignment
+ .oldState
+
.get(stateAssignment.inputOperatorID)
+ .getParallelism();
+ return oldParallelism
+ ==
taskStateAssignment.executionJobVertex
+ .getParallelism();
+ });
Review Comment:
The mistake was semantic. It was checked that all the inputs were of FULL
type, and it is necessary to have at least one. But since the type of
partitioner seems to be the same for all inputs, I don't see how to add a test
to check it
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