rkhachatryan commented on a change in pull request #11507: [FLINK-16587] Add
basic CheckpointBarrierHandler for unaligned checkpoint
URL: https://github.com/apache/flink/pull/11507#discussion_r406418862
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java
##########
@@ -206,6 +214,23 @@ void retriggerSubpartitionRequest(int subpartitionIndex)
throws IOException {
return Optional.of(new BufferAndAvailability(next,
moreAvailable, getSenderBacklog()));
}
+ @Override
+ public List<Buffer> getInflightBuffers(long checkpointId) throws
IOException {
+ synchronized (receivedBuffers) {
+ final List<Buffer> inflightBuffers = new
ArrayList<>(receivedBuffers.size());
+ for (Buffer buffer : receivedBuffers) {
+ if (!buffer.isBuffer() &&
parseCheckpointBarrierOrNull(buffer) != null) {
+ break;
+ }
+ inflightBuffers.add(buffer.retainBuffer());
+ }
+
+ triggeredCheckpointId = checkpointId;
Review comment:
I think here it's impossible to get invalid `checkpointId` (less than
triggered), but I'd add a check (`Precondition`).
Also, naming is a bit confusing:
1. triggered is ambiguous to me; `inProgressCheckpointId` ?
1. `getInflightBuffers` suggests it doesn't modify anything;
`requestInflightBuffers`
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