AHeise commented on a change in pull request #13228:
URL: https://github.com/apache/flink/pull/13228#discussion_r476660921
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/SingleInputGate.java
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@@ -621,61 +626,84 @@ public boolean isFinished() {
return Optional.of(transformToBufferOrEvent(
inputWithData.data.buffer(),
inputWithData.moreAvailable,
- inputWithData.input));
+ inputWithData.input,
+ inputWithData.morePriorityEvents));
}
private Optional<InputWithData<InputChannel, BufferAndAvailability>>
waitAndGetNextData(boolean blocking)
throws IOException, InterruptedException {
while (true) {
- Optional<InputChannel> inputChannel =
getChannel(blocking);
- if (!inputChannel.isPresent()) {
+ Optional<InputChannel> inputChannelOpt =
getChannel(blocking);
+ if (!inputChannelOpt.isPresent()) {
return Optional.empty();
}
// Do not query inputChannel under the lock, to avoid
potential deadlocks coming from
// notifications.
- Optional<BufferAndAvailability> result =
inputChannel.get().getNextBuffer();
+ final InputChannel inputChannel = inputChannelOpt.get();
+ Optional<BufferAndAvailability>
bufferAndAvailabilityOpt = inputChannel.getNextBuffer();
synchronized (inputChannelsWithData) {
- if (result.isPresent() &&
result.get().moreAvailable()) {
+ if (!bufferAndAvailabilityOpt.isPresent()) {
+ if (inputChannelsWithData.isEmpty()) {
+
availabilityHelper.resetUnavailable();
+ }
+ continue;
Review comment:
Sry, I will split.
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