wsry commented on a change in pull request #11351: [FLINK-16404][runtime] Avoid
caching buffers for blocked input channels before barrier alignment
URL: https://github.com/apache/flink/pull/11351#discussion_r409471511
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/netty/PartitionRequestQueueTest.java
##########
@@ -381,6 +387,47 @@ public void testEnqueueReaderByNotifyingBufferAndCredit()
throws Exception {
assertNull(channel.readOutbound());
}
+ /**
+ * Tests {@link
PartitionRequestQueue#enqueueAvailableReader(NetworkSequenceViewReader)},
+ * verifying the reader would be enqueued in the pipeline after
resuming data consumption if there
+ * are credit and data available.
+ */
+ @Test
+ public void testEnqueueReaderByResumingConsumption() throws Exception {
+ PipelinedSubpartition subpartition =
PipelinedSubpartitionTest.createPipelinedSubpartition();
+ subpartition.add(createEventBufferConsumer(4096,
Buffer.DataType.EXACTLY_ONCE_CHECKPOINT_BARRIER));
+ subpartition.add(createEventBufferConsumer(4096,
Buffer.DataType.DATA_BUFFER));
+
+ BufferAvailabilityListener bufferAvailabilityListener = new
NoOpBufferAvailablityListener();
+ PipelinedSubpartitionView view =
subpartition.createReadView(bufferAvailabilityListener);
+ ResultPartitionProvider partitionProvider = (partitionId,
index, availabilityListener) -> view;
+
+ InputChannelID receiverId = new InputChannelID();
+ PartitionRequestQueue queue = new PartitionRequestQueue();
+ CreditBasedSequenceNumberingViewReader reader = new
CreditBasedSequenceNumberingViewReader(receiverId, 0, queue);
+ EmbeddedChannel channel = new EmbeddedChannel(queue);
+
+ reader.requestSubpartitionView(partitionProvider, new
ResultPartitionID(), 0);
+ queue.notifyReaderCreated(reader);
+ // we have adequate credits
Review comment:
There seems no problem?
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