Skip to content

[release-1.19][FLINK-38370] Ensure CommitterOperator commits all pending committables in batch mode #27016

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 22, 2025
Merged

[release-1.19][FLINK-38370] Ensure CommitterOperator commits all pending committables in batch mode #27016

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion ...va/src/main/java/org/apache/flink/streaming/runtime/operators/sink/CommitterOperator.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -148,7 +148,7 @@ public void snapshotState(StateSnapshotContext context) throws Exception {
public void endInput() throws Exception {
if (!isCheckpointingEnabled || isBatchMode) {
// There will be no final checkpoint, all committables should be committed here
commitAndEmitCheckpoints(lastCompletedCheckpointId + 1);
commitAndEmitCheckpoints(Long.MAX_VALUE);
}
}

Expand Down
27 changes: 27 additions & 0 deletions ...est/java/org/apache/flink/streaming/runtime/operators/sink/CommitterOperatorTestBase.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -276,6 +276,33 @@ void testHandleEndInputInStreamingMode(boolean isCheckpointingEnabled) throws Ex
assertThat(testHarness.getOutput()).hasSize(2);
}

@Test
void testEmitCommittablesBatch() throws Exception {
SinkAndCounters sinkAndCounters = sinkWithoutPostCommit();
final OneInputStreamOperatorTestHarness<
CommittableMessage<String>, CommittableMessage<String>>
testHarness =
new OneInputStreamOperatorTestHarness<>(
new CommitterOperatorFactory<>(sinkAndCounters.sink, true, false));
testHarness.open();

// Test that all committables up to Long.MAX_VALUE are committed.
long checkpointId = Long.MAX_VALUE;
final CommittableSummary<String> committableSummary =
new CommittableSummary<>(1, 1, checkpointId, 1, 0, 0);
testHarness.processElement(new StreamRecord<>(committableSummary));
final CommittableWithLineage<String> committableWithLineage =
new CommittableWithLineage<>("1", checkpointId, 1);
testHarness.processElement(new StreamRecord<>(committableWithLineage));

testHarness.endInput();

assertThat(sinkAndCounters.commitCounter.getAsInt()).isEqualTo(1);
assertThat(testHarness.getOutput()).isEmpty();

testHarness.close();
}

private OneInputStreamOperatorTestHarness<
CommittableMessage<String>, CommittableMessage<String>>
createTestHarness(
Expand Down