NicoK commented on a change in pull request #5381: [FLINK-8523][network] Stop
assigning floating buffers for blocked input channels in exactly-once mode
URL: https://github.com/apache/flink/pull/5381#discussion_r205576747
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/SingleInputGate.java
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@@ -485,6 +494,23 @@ public void requestPartitions() throws IOException,
InterruptedException {
}
}
+ @Override
+ public void blockInputChannel(int channelIndex) {
+ InputChannel inputChannel =
indexToInputChannelMap.get(channelIndex);
+ if (inputChannel == null) {
+ throw new IllegalStateException("Could not find input
channel from the channel index " + channelIndex);
Review comment:
both argumentations sound right:
how about `checkArgument(0 <= channelIndex && channelIndex <
numberOfInputChannels)` and `checkState(inputChannel != null)`
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