curcur commented on a change in pull request #13614:
URL: https://github.com/apache/flink/pull/13614#discussion_r507148578
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File path:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/partition/ResultPartitionTest.java
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@@ -526,6 +526,44 @@ public void testFlushBoundedBlockingResultPartition()
throws IOException {
assertNull(readView2.getNextBuffer());
}
+ @Test
+ public void testEmitRecordWithRecordSpanningMultipleBuffers() throws
Exception {
+ BufferWritingResultPartition bufferWritingResultPartition =
createResultPartition(ResultPartitionType.PIPELINED);
+ PipelinedSubpartition pipelinedSubpartition =
(PipelinedSubpartition) bufferWritingResultPartition.subpartitions[0];
+ int partialLength = bufferSize / 3;
+
+ try {
+ // emit the first record, record length = partialLength
+
bufferWritingResultPartition.emitRecord(ByteBuffer.allocate(partialLength), 0);
+ // emit the second record, record length = bufferSize
+
bufferWritingResultPartition.emitRecord(ByteBuffer.allocate(bufferSize), 0);
+ } finally {
+ assertEquals(2,
pipelinedSubpartition.getCurrentNumberOfBuffers());
+ assertEquals(0,
pipelinedSubpartition.getNextBuffer().getPartialRecordLength());
Review comment:
the view can only read `BufferAndBacklog`, that's the sliced buffer +
some other information.
What I need is `PartialRecordLength` in the buffer queue cell in
`PrioritizedDeque<BufferConsumerWithPartialRecordLength> buffers`.
If you really do not like this, I can remove this assertion. This
information is tested in later PRs in different ways as well.
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