AHeise commented on a change in pull request #14218:
URL: https://github.com/apache/flink/pull/14218#discussion_r530370018
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java
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@@ -535,13 +536,16 @@ public void checkpointStopped(long checkpointId) {
/**
* Returns a list of buffers, checking the first n non-priority
buffers, and skipping all events.
*/
- private List<Buffer> getInflightBuffersUnsafe(long checkpointId) {
+ private List<Buffer> getInflightBuffersUnsafe(long checkpointId) throws
CheckpointException {
assert Thread.holdsLock(receivedBuffers);
+ if (checkpointId < lastBarrierId) {
+ throw new CheckpointException(
Review comment:
I think this is exactly the case for which `CheckpointException` was
designed.
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