ldadima commented on code in PR #24784:
URL: https://github.com/apache/flink/pull/24784#discussion_r1607065866
##########
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/StateAssignmentOperation.java:
##########
@@ -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:
Thanks for the analysis. I think you can change a test with incomplete
FULL, you are right. I hope I didn't make a mistake with the mistake note last
time.
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