noorall commented on code in PR #25552:
URL: https://github.com/apache/flink/pull/25552#discussion_r1906546993
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flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adaptivebatch/util/AggregatedBlockingInputInfo.java:
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@@ -125,6 +118,9 @@ private static long[] computeAggregatedSubpartitionBytes(
private static Map<Integer, long[]>
computeSubpartitionBytesByPartitionIndex(
List<BlockingInputInfo> inputInfos, int subpartitionNum) {
+ if (!hasSameNumPartitions(inputInfos)) {
+ return Collections.emptyMap();
Review Comment:
> In which case it can happen that `hasSameNumPartitions()` returns false?
For example, upstreams with the same type number have different parallelism.
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