Examples with CommittableSummary org.apache.flink.streaming.api.connector.sink2.CommittableSummary used on opensource projects

Example 1 with CommittableSummary

use of org.apache.flink.streaming.api.connector.sink2.CommittableSummary in project flink by apache.

the class CompactorOperatorStateHandler method drain.

private void drain() throws ExecutionException, InterruptedException {
    checkState(holdingSummary != null);
    checkState(holdingSummary.getNumberOfPendingCommittables() == holdingSummary.getNumberOfCommittables() && holdingSummary.getNumberOfCommittables() == holdingMessages.size() + compactingMessages.size());
    Long checkpointId = holdingSummary.getCheckpointId().isPresent() ? holdingSummary.getCheckpointId().getAsLong() : null;
    int subtaskId = holdingSummary.getSubtaskId();
    if (!compactingRequests.isEmpty()) {
        CompletableFuture.allOf(compactingRequests.stream().map(r -> r.f1).toArray(CompletableFuture[]::new)).join();
        for (Tuple2<CompactorRequest, CompletableFuture<Iterable<FileSinkCommittable>>> compacting : compactingRequests) {
            CompletableFuture<Iterable<FileSinkCommittable>> future = compacting.f1;
            checkState(future.isDone());
            // Exception is thrown if it's completed exceptionally
            for (FileSinkCommittable c : future.get()) {
                holdingMessages.add(new CommittableWithLineage<>(c, checkpointId, subtaskId));
            }
        }
    }
    // Appending the compacted committable to the holding summary
    CommittableSummary<FileSinkCommittable> summary = new CommittableSummary<>(holdingSummary.getSubtaskId(), holdingSummary.getNumberOfSubtasks(), holdingSummary.getCheckpointId().isPresent() ? holdingSummary.getCheckpointId().getAsLong() : null, holdingMessages.size(), holdingMessages.size(), holdingSummary.getNumberOfFailedCommittables());
    output.collect(new StreamRecord<>(summary));
    for (CommittableMessage<FileSinkCommittable> committable : holdingMessages) {
        output.collect(new StreamRecord<>(committable));
    }
    // Remaining requests should be all done and their results are all emitted.
    // From now on the operator is stateless.
    remainingRequestsState.clear();
    compactingRequests.clear();
    compactingMessages.clear();
    holdingSummary = null;
    holdingMessages = null;
    if (writerStateDrained) {
        // We can pass through everything if the writer state is also drained.
        stateDrained = true;
        compactService.close();
        compactService = null;
    }
}

Example 2 with CommittableSummary

use of org.apache.flink.streaming.api.connector.sink2.CommittableSummary in project flink by apache.

the class CompactorOperator method emitCompacted.

private void emitCompacted(@Nullable Long checkpointId) throws Exception {
    List<FileSinkCommittable> compacted = new ArrayList<>();
    Iterator<Tuple2<CompactorRequest, CompletableFuture<Iterable<FileSinkCommittable>>>> iter = compactingRequests.iterator();
    while (iter.hasNext()) {
        Tuple2<CompactorRequest, CompletableFuture<Iterable<FileSinkCommittable>>> compacting = iter.next();
        CompletableFuture<Iterable<FileSinkCommittable>> future = compacting.f1;
        if (future.isDone()) {
            iter.remove();
            // Exception is thrown if it's completed exceptionally
            for (FileSinkCommittable c : future.get()) {
                compacted.add(c);
            }
        }
    }
    if (compacted.isEmpty()) {
        return;
    }
    // A summary must be sent before all results during this checkpoint
    CommittableSummary<FileSinkCommittable> summary = new CommittableSummary<>(getRuntimeContext().getIndexOfThisSubtask(), getRuntimeContext().getNumberOfParallelSubtasks(), checkpointId, compacted.size(), compacted.size(), 0);
    output.collect(new StreamRecord<>(summary));
    for (FileSinkCommittable c : compacted) {
        CommittableWithLineage<FileSinkCommittable> comm = new CommittableWithLineage<>(c, checkpointId, getRuntimeContext().getIndexOfThisSubtask());
        output.collect(new StreamRecord<>(comm));
    }
}

Example 3 with CommittableSummary

use of org.apache.flink.streaming.api.connector.sink2.CommittableSummary in project flink by apache.

the class SinkWriterOperator method emitCommittables.

private void emitCommittables(Long checkpointId) throws IOException, InterruptedException {
    if (!emitDownstream) {
        // although no committables are forwarded
        if (sinkWriter instanceof PrecommittingSinkWriter) {
            ((PrecommittingSinkWriter<?, ?>) sinkWriter).prepareCommit();
        }
        return;
    }
    Collection<CommT> committables = ((PrecommittingSinkWriter<?, CommT>) sinkWriter).prepareCommit();
    StreamingRuntimeContext runtimeContext = getRuntimeContext();
    int indexOfThisSubtask = runtimeContext.getIndexOfThisSubtask();
    output.collect(new StreamRecord<>(new CommittableSummary<>(indexOfThisSubtask, runtimeContext.getNumberOfParallelSubtasks(), checkpointId, committables.size(), committables.size(), 0)));
    for (CommT committable : committables) {
        output.collect(new StreamRecord<>(new CommittableWithLineage<>(committable, checkpointId, indexOfThisSubtask)));
    }
}

Example 4 with CommittableSummary

use of org.apache.flink.streaming.api.connector.sink2.CommittableSummary in project flink by apache.

the class SinkWriterOperatorTest method testStateRestore.

@ParameterizedTest
@ValueSource(booleans = { true, false })
void testStateRestore(boolean stateful) throws Exception {
    final long initialTime = 0;
    final SnapshottingBufferingSinkWriter snapshottingWriter = new SnapshottingBufferingSinkWriter();
    final OneInputStreamOperatorTestHarness<Integer, CommittableMessage<Integer>> testHarness = createTestHarnessWithBufferingSinkWriter(snapshottingWriter, stateful);
    testHarness.open();
    testHarness.processWatermark(initialTime);
    testHarness.processElement(1, initialTime + 1);
    testHarness.processElement(2, initialTime + 2);
    testHarness.prepareSnapshotPreBarrier(1L);
    OperatorSubtaskState snapshot = testHarness.snapshot(1L, 1L);
    // we see the watermark and the committable summary, so the committables must be stored in
    // state
    assertThat(testHarness.getOutput()).hasSize(2).contains(new Watermark(initialTime));
    assertThat(snapshottingWriter.lastCheckpointId).isEqualTo(stateful ? 1L : SnapshottingBufferingSinkWriter.NOT_SNAPSHOTTED);
    testHarness.close();
    final OneInputStreamOperatorTestHarness<Integer, CommittableMessage<Integer>> restoredTestHarness = createTestHarnessWithBufferingSinkWriter(new SnapshottingBufferingSinkWriter(), stateful);
    restoredTestHarness.initializeState(snapshot);
    restoredTestHarness.open();
    // this will flush out the committables that were restored
    restoredTestHarness.endInput();
    final long checkpointId = 2;
    restoredTestHarness.prepareSnapshotPreBarrier(checkpointId);
    if (stateful) {
        assertBasicOutput(restoredTestHarness.getOutput(), 2, checkpointId);
    } else {
        assertThat(fromOutput(restoredTestHarness.getOutput()).get(0).asRecord().getValue()).isInstanceOf(CommittableSummary.class).satisfies(cs -> SinkV2Assertions.assertThat((CommittableSummary<?>) cs).hasOverallCommittables(0).hasPendingCommittables(0).hasFailedCommittables(0));
    }
    restoredTestHarness.close();
}

Example 5 with CommittableSummary

use of org.apache.flink.streaming.api.connector.sink2.CommittableSummary in project flink by apache.

the class CompactorOperatorTest method testCompact.

@Test
public void testCompact() throws Exception {
    FileCompactor fileCompactor = new RecordWiseFileCompactor<>(new DecoderBasedReader.Factory<>(IntDecoder::new));
    CompactorOperator compactor = createTestOperator(fileCompactor);
    try (OneInputStreamOperatorTestHarness<CompactorRequest, CommittableMessage<FileSinkCommittable>> harness = new OneInputStreamOperatorTestHarness<>(compactor)) {
        harness.setup();
        harness.open();
        harness.processElement(request("0", Arrays.asList(committable("0", ".0", 5), committable("0", ".1", 5)), null));
        Assert.assertEquals(0, harness.extractOutputValues().size());
        harness.prepareSnapshotPreBarrier(1);
        harness.snapshot(1, 1L);
        harness.notifyOfCompletedCheckpoint(1);
        compactor.getAllTasksFuture().join();
        Assert.assertEquals(0, harness.extractOutputValues().size());
        harness.prepareSnapshotPreBarrier(2);
        // 1summary+1compacted+2cleanup
        List<CommittableMessage<FileSinkCommittable>> results = harness.extractOutputValues();
        Assert.assertEquals(4, results.size());
        SinkV2Assertions.assertThat((CommittableSummary<?>) results.get(0)).hasPendingCommittables(3);
        SinkV2Assertions.assertThat((CommittableWithLineage<?>) results.get(1)).hasCommittable(committable("0", "compacted-0", 10));
        SinkV2Assertions.assertThat((CommittableWithLineage<?>) results.get(2)).hasCommittable(cleanupPath("0", ".0"));
        SinkV2Assertions.assertThat((CommittableWithLineage<?>) results.get(3)).hasCommittable(cleanupPath("0", ".1"));
    }
}