pnowojski commented on a change in pull request #12575:
URL: https://github.com/apache/flink/pull/12575#discussion_r440748481
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/UnionInputGate.java
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@@ -105,11 +105,11 @@ public UnionInputGate(IndexedInputGate... inputGates) {
inputChannelToInputGateIndex = new
int[totalNumberOfInputChannels];
int currentNumberOfInputChannels = 0;
- for (final IndexedInputGate inputGate : inputGates) {
- inputGateChannelIndexOffsets[inputGate.getGateIndex()]
= currentNumberOfInputChannels;
+ for (int index = 0; index < inputGates.length; index++) {
Review comment:
Ok, let's try out the `Map` approach. In case of performance issues, we
can later fallback to other solution, like sparse index.
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