Examples with MemoryRecords org.apache.kafka.common.record.MemoryRecords used on opensource projects

Example 66 with MemoryRecords

use of org.apache.kafka.common.record.MemoryRecords in project apache-kafka-on-k8s by banzaicloud.

the class SenderTest method testDownConversionForMismatchedMagicValues.

@Test
public void testDownConversionForMismatchedMagicValues() throws Exception {
    // it can happen that we construct a record set with mismatching magic values (perhaps
    // because the partition leader changed after the record set was initially constructed)
    // in this case, we down-convert record sets with newer magic values to match the oldest
    // created record set
    long offset = 0;
    // start off support produce request v3
    apiVersions.update("0", NodeApiVersions.create());
    Future<RecordMetadata> future1 = accumulator.append(tp0, 0L, "key".getBytes(), "value".getBytes(), null, null, MAX_BLOCK_TIMEOUT).future;
    // now the partition leader supports only v2
    apiVersions.update("0", NodeApiVersions.create(Collections.singleton(new ApiVersionsResponse.ApiVersion(ApiKeys.PRODUCE.id, (short) 0, (short) 2))));
    Future<RecordMetadata> future2 = accumulator.append(tp1, 0L, "key".getBytes(), "value".getBytes(), null, null, MAX_BLOCK_TIMEOUT).future;
    // start off support produce request v3
    apiVersions.update("0", NodeApiVersions.create());
    ProduceResponse.PartitionResponse resp = new ProduceResponse.PartitionResponse(Errors.NONE, offset, RecordBatch.NO_TIMESTAMP, 100);
    Map<TopicPartition, ProduceResponse.PartitionResponse> partResp = new HashMap<>();
    partResp.put(tp0, resp);
    partResp.put(tp1, resp);
    ProduceResponse produceResponse = new ProduceResponse(partResp, 0);
    client.prepareResponse(new MockClient.RequestMatcher() {

        @Override
        public boolean matches(AbstractRequest body) {
            ProduceRequest request = (ProduceRequest) body;
            if (request.version() != 2)
                return false;
            Map<TopicPartition, MemoryRecords> recordsMap = request.partitionRecordsOrFail();
            if (recordsMap.size() != 2)
                return false;
            for (MemoryRecords records : recordsMap.values()) {
                if (records == null || records.sizeInBytes() == 0 || !records.hasMatchingMagic(RecordBatch.MAGIC_VALUE_V1))
                    return false;
            }
            return true;
        }
    }, produceResponse);
    // connect
    sender.run(time.milliseconds());
    // send produce request
    sender.run(time.milliseconds());
    assertTrue("Request should be completed", future1.isDone());
    assertTrue("Request should be completed", future2.isDone());
}

Example 67 with MemoryRecords

use of org.apache.kafka.common.record.MemoryRecords in project apache-kafka-on-k8s by banzaicloud.

the class FetcherTest method testReturnCommittedTransactions.

@Test
public void testReturnCommittedTransactions() {
    Fetcher<byte[], byte[]> fetcher = createFetcher(subscriptions, new Metrics(), new ByteArrayDeserializer(), new ByteArrayDeserializer(), Integer.MAX_VALUE, IsolationLevel.READ_COMMITTED);
    ByteBuffer buffer = ByteBuffer.allocate(1024);
    int currentOffset = 0;
    currentOffset += appendTransactionalRecords(buffer, 1L, currentOffset, new SimpleRecord(time.milliseconds(), "key".getBytes(), "value".getBytes()), new SimpleRecord(time.milliseconds(), "key".getBytes(), "value".getBytes()));
    currentOffset += commitTransaction(buffer, 1L, currentOffset);
    buffer.flip();
    List<FetchResponse.AbortedTransaction> abortedTransactions = new ArrayList<>();
    MemoryRecords records = MemoryRecords.readableRecords(buffer);
    subscriptions.assignFromUser(singleton(tp0));
    subscriptions.seek(tp0, 0);
    // normal fetch
    assertEquals(1, fetcher.sendFetches());
    assertFalse(fetcher.hasCompletedFetches());
    client.prepareResponse(new MockClient.RequestMatcher() {

        @Override
        public boolean matches(AbstractRequest body) {
            FetchRequest request = (FetchRequest) body;
            assertEquals(IsolationLevel.READ_COMMITTED, request.isolationLevel());
            return true;
        }
    }, fullFetchResponseWithAbortedTransactions(records, abortedTransactions, Errors.NONE, 100L, 100L, 0));
    consumerClient.poll(0);
    assertTrue(fetcher.hasCompletedFetches());
    Map<TopicPartition, List<ConsumerRecord<byte[], byte[]>>> fetchedRecords = fetcher.fetchedRecords();
    assertTrue(fetchedRecords.containsKey(tp0));
    assertEquals(fetchedRecords.get(tp0).size(), 2);
}

Example 68 with MemoryRecords

use of org.apache.kafka.common.record.MemoryRecords in project apache-kafka-on-k8s by banzaicloud.

the class FetcherTest method testMultipleAbortMarkers.

@Test
public void testMultipleAbortMarkers() {
    Fetcher<byte[], byte[]> fetcher = createFetcher(subscriptions, new Metrics(), new ByteArrayDeserializer(), new ByteArrayDeserializer(), Integer.MAX_VALUE, IsolationLevel.READ_COMMITTED);
    ByteBuffer buffer = ByteBuffer.allocate(1024);
    int currentOffset = 0;
    currentOffset += appendTransactionalRecords(buffer, 1L, currentOffset, new SimpleRecord(time.milliseconds(), "abort1-1".getBytes(), "value".getBytes()), new SimpleRecord(time.milliseconds(), "abort1-2".getBytes(), "value".getBytes()));
    currentOffset += abortTransaction(buffer, 1L, currentOffset);
    // Duplicate abort -- should be ignored.
    currentOffset += abortTransaction(buffer, 1L, currentOffset);
    // Now commit a transaction.
    currentOffset += appendTransactionalRecords(buffer, 1L, currentOffset, new SimpleRecord(time.milliseconds(), "commit1-1".getBytes(), "value".getBytes()), new SimpleRecord(time.milliseconds(), "commit1-2".getBytes(), "value".getBytes()));
    commitTransaction(buffer, 1L, currentOffset);
    buffer.flip();
    List<FetchResponse.AbortedTransaction> abortedTransactions = new ArrayList<>();
    abortedTransactions.add(new FetchResponse.AbortedTransaction(1, 0));
    MemoryRecords records = MemoryRecords.readableRecords(buffer);
    subscriptions.assignFromUser(singleton(tp0));
    subscriptions.seek(tp0, 0);
    // normal fetch
    assertEquals(1, fetcher.sendFetches());
    assertFalse(fetcher.hasCompletedFetches());
    client.prepareResponse(fullFetchResponseWithAbortedTransactions(records, abortedTransactions, Errors.NONE, 100L, 100L, 0));
    consumerClient.poll(0);
    assertTrue(fetcher.hasCompletedFetches());
    Map<TopicPartition, List<ConsumerRecord<byte[], byte[]>>> fetchedRecords = fetcher.fetchedRecords();
    assertTrue(fetchedRecords.containsKey(tp0));
    assertEquals(fetchedRecords.get(tp0).size(), 2);
    List<ConsumerRecord<byte[], byte[]>> fetchedConsumerRecords = fetchedRecords.get(tp0);
    Set<String> committedKeys = new HashSet<>(Arrays.asList("commit1-1", "commit1-2"));
    Set<String> actuallyCommittedKeys = new HashSet<>();
    for (ConsumerRecord<byte[], byte[]> consumerRecord : fetchedConsumerRecords) {
        actuallyCommittedKeys.add(new String(consumerRecord.key(), StandardCharsets.UTF_8));
    }
    assertTrue(actuallyCommittedKeys.equals(committedKeys));
}

Example 69 with MemoryRecords

use of org.apache.kafka.common.record.MemoryRecords in project apache-kafka-on-k8s by banzaicloud.

the class FetcherTest method testFetchResponseMetricsWithOnePartitionAtTheWrongOffset.

@Test
public void testFetchResponseMetricsWithOnePartitionAtTheWrongOffset() {
    subscriptions.assignFromUser(Utils.mkSet(tp0, tp1));
    subscriptions.seek(tp0, 0);
    subscriptions.seek(tp1, 0);
    Map<MetricName, KafkaMetric> allMetrics = metrics.metrics();
    KafkaMetric fetchSizeAverage = allMetrics.get(metrics.metricInstance(metricsRegistry.fetchSizeAvg));
    KafkaMetric recordsCountAverage = allMetrics.get(metrics.metricInstance(metricsRegistry.recordsPerRequestAvg));
    // send the fetch and then seek to a new offset
    assertEquals(1, fetcher.sendFetches());
    subscriptions.seek(tp1, 5);
    MemoryRecordsBuilder builder = MemoryRecords.builder(ByteBuffer.allocate(1024), CompressionType.NONE, TimestampType.CREATE_TIME, 0L);
    for (int v = 0; v < 3; v++) builder.appendWithOffset(v, RecordBatch.NO_TIMESTAMP, "key".getBytes(), ("value-" + v).getBytes());
    MemoryRecords records = builder.build();
    Map<TopicPartition, FetchResponse.PartitionData> partitions = new HashMap<>();
    partitions.put(tp0, new FetchResponse.PartitionData(Errors.NONE, 100, FetchResponse.INVALID_LAST_STABLE_OFFSET, 0L, null, records));
    partitions.put(tp1, new FetchResponse.PartitionData(Errors.NONE, 100, FetchResponse.INVALID_LAST_STABLE_OFFSET, 0L, null, MemoryRecords.withRecords(CompressionType.NONE, new SimpleRecord("val".getBytes()))));
    client.prepareResponse(new FetchResponse(Errors.NONE, new LinkedHashMap<>(partitions), 0, INVALID_SESSION_ID));
    consumerClient.poll(0);
    fetcher.fetchedRecords();
    // we should have ignored the record at the wrong offset
    int expectedBytes = 0;
    for (Record record : records.records()) expectedBytes += record.sizeInBytes();
    assertEquals(expectedBytes, fetchSizeAverage.value(), EPSILON);
    assertEquals(3, recordsCountAverage.value(), EPSILON);
}

Example 70 with MemoryRecords

use of org.apache.kafka.common.record.MemoryRecords in project apache-kafka-on-k8s by banzaicloud.

the class FetcherTest method testFetchNonContinuousRecords.

@Test
public void testFetchNonContinuousRecords() {
    // if we are fetching from a compacted topic, there may be gaps in the returned records
    // this test verifies the fetcher updates the current fetched/consumed positions correctly for this case
    MemoryRecordsBuilder builder = MemoryRecords.builder(ByteBuffer.allocate(1024), CompressionType.NONE, TimestampType.CREATE_TIME, 0L);
    builder.appendWithOffset(15L, 0L, "key".getBytes(), "value-1".getBytes());
    builder.appendWithOffset(20L, 0L, "key".getBytes(), "value-2".getBytes());
    builder.appendWithOffset(30L, 0L, "key".getBytes(), "value-3".getBytes());
    MemoryRecords records = builder.build();
    List<ConsumerRecord<byte[], byte[]>> consumerRecords;
    subscriptions.assignFromUser(singleton(tp0));
    subscriptions.seek(tp0, 0);
    // normal fetch
    assertEquals(1, fetcher.sendFetches());
    client.prepareResponse(fullFetchResponse(tp0, records, Errors.NONE, 100L, 0));
    consumerClient.poll(0);
    consumerRecords = fetcher.fetchedRecords().get(tp0);
    assertEquals(3, consumerRecords.size());
    // this is the next fetching position
    assertEquals(31L, subscriptions.position(tp0).longValue());
    assertEquals(15L, consumerRecords.get(0).offset());
    assertEquals(20L, consumerRecords.get(1).offset());
    assertEquals(30L, consumerRecords.get(2).offset());
}