Examples with MetadataCache kafka.server.MetadataCache used on opensource projects

Example 1 with MetadataCache

use of kafka.server.MetadataCache in project kafka by apache.

the class CheckpointBench method setup.

@SuppressWarnings("deprecation")
@Setup(Level.Trial)
public void setup() {
    this.scheduler = new KafkaScheduler(1, "scheduler-thread", true);
    this.brokerProperties = KafkaConfig.fromProps(TestUtils.createBrokerConfig(0, TestUtils.MockZkConnect(), true, true, 9092, Option.empty(), Option.empty(), Option.empty(), true, false, 0, false, 0, false, 0, Option.empty(), 1, true, 1, (short) 1));
    this.metrics = new Metrics();
    this.time = new MockTime();
    this.failureChannel = new LogDirFailureChannel(brokerProperties.logDirs().size());
    final List<File> files = JavaConverters.seqAsJavaList(brokerProperties.logDirs()).stream().map(File::new).collect(Collectors.toList());
    this.logManager = TestUtils.createLogManager(JavaConverters.asScalaBuffer(files), LogConfig.apply(), new MockConfigRepository(), CleanerConfig.apply(1, 4 * 1024 * 1024L, 0.9d, 1024 * 1024, 32 * 1024 * 1024, Double.MAX_VALUE, 15 * 1000, true, "MD5"), time, ApiVersion.latestVersion());
    scheduler.startup();
    final BrokerTopicStats brokerTopicStats = new BrokerTopicStats();
    final MetadataCache metadataCache = MetadataCache.zkMetadataCache(this.brokerProperties.brokerId());
    this.quotaManagers = QuotaFactory.instantiate(this.brokerProperties, this.metrics, this.time, "");
    this.alterIsrManager = TestUtils.createAlterIsrManager();
    this.replicaManager = new ReplicaManagerBuilder().setConfig(brokerProperties).setMetrics(metrics).setTime(time).setScheduler(scheduler).setLogManager(logManager).setQuotaManagers(quotaManagers).setBrokerTopicStats(brokerTopicStats).setMetadataCache(metadataCache).setLogDirFailureChannel(failureChannel).setAlterIsrManager(alterIsrManager).build();
    replicaManager.startup();
    List<TopicPartition> topicPartitions = new ArrayList<>();
    for (int topicNum = 0; topicNum < numTopics; topicNum++) {
        final String topicName = this.topicName + "-" + topicNum;
        for (int partitionNum = 0; partitionNum < numPartitions; partitionNum++) {
            topicPartitions.add(new TopicPartition(topicName, partitionNum));
        }
    }
    OffsetCheckpoints checkpoints = (logDir, topicPartition) -> Option.apply(0L);
    for (TopicPartition topicPartition : topicPartitions) {
        final Partition partition = this.replicaManager.createPartition(topicPartition);
        partition.createLogIfNotExists(true, false, checkpoints, Option.apply(Uuid.randomUuid()));
    }
    replicaManager.checkpointHighWatermarks();
}

Example 2 with MetadataCache

use of kafka.server.MetadataCache in project kafka by apache.

the class IntegrationTestUtils method waitUntilMetadataIsPropagated.

private static void waitUntilMetadataIsPropagated(final List<KafkaServer> servers, final String topic, final int partition, final long timeout) throws InterruptedException {
    final String baseReason = String.format("Metadata for topic=%s partition=%d was not propagated to all brokers within %d ms. ", topic, partition, timeout);
    retryOnExceptionWithTimeout(timeout, () -> {
        final List<KafkaServer> emptyPartitionInfos = new ArrayList<>();
        final List<KafkaServer> invalidBrokerIds = new ArrayList<>();
        for (final KafkaServer server : servers) {
            final MetadataCache metadataCache = server.dataPlaneRequestProcessor().metadataCache();
            final Option<UpdateMetadataPartitionState> partitionInfo = metadataCache.getPartitionInfo(topic, partition);
            if (partitionInfo.isEmpty()) {
                emptyPartitionInfos.add(server);
                continue;
            }
            final UpdateMetadataPartitionState metadataPartitionState = partitionInfo.get();
            if (!Request.isValidBrokerId(metadataPartitionState.leader())) {
                invalidBrokerIds.add(server);
            }
        }
        final String reason = baseReason + ". Brokers without partition info: " + emptyPartitionInfos + ". Brokers with invalid broker id for partition leader: " + invalidBrokerIds;
        assertThat(reason, emptyPartitionInfos.isEmpty() && invalidBrokerIds.isEmpty());
    });
}

Example 3 with MetadataCache

use of kafka.server.MetadataCache in project kafka by apache.

the class ReplicaFetcherThreadBenchmark method setup.

@Setup(Level.Trial)
public void setup() throws IOException {
    if (!logDir.mkdir())
        throw new IOException("error creating test directory");
    scheduler.startup();
    Properties props = new Properties();
    props.put("zookeeper.connect", "127.0.0.1:9999");
    KafkaConfig config = new KafkaConfig(props);
    LogConfig logConfig = createLogConfig();
    BrokerTopicStats brokerTopicStats = new BrokerTopicStats();
    LogDirFailureChannel logDirFailureChannel = Mockito.mock(LogDirFailureChannel.class);
    List<File> logDirs = Collections.singletonList(logDir);
    logManager = new LogManagerBuilder().setLogDirs(logDirs).setInitialOfflineDirs(Collections.emptyList()).setConfigRepository(new MockConfigRepository()).setInitialDefaultConfig(logConfig).setCleanerConfig(new CleanerConfig(0, 0, 0, 0, 0, 0.0, 0, false, "MD5")).setRecoveryThreadsPerDataDir(1).setFlushCheckMs(1000L).setFlushRecoveryOffsetCheckpointMs(10000L).setFlushStartOffsetCheckpointMs(10000L).setRetentionCheckMs(1000L).setMaxPidExpirationMs(60000).setInterBrokerProtocolVersion(ApiVersion.latestVersion()).setScheduler(scheduler).setBrokerTopicStats(brokerTopicStats).setLogDirFailureChannel(logDirFailureChannel).setTime(Time.SYSTEM).setKeepPartitionMetadataFile(true).build();
    LinkedHashMap<TopicIdPartition, FetchResponseData.PartitionData> initialFetched = new LinkedHashMap<>();
    HashMap<String, Uuid> topicIds = new HashMap<>();
    scala.collection.mutable.Map<TopicPartition, InitialFetchState> initialFetchStates = new scala.collection.mutable.HashMap<>();
    List<UpdateMetadataRequestData.UpdateMetadataPartitionState> updatePartitionState = new ArrayList<>();
    for (int i = 0; i < partitionCount; i++) {
        TopicPartition tp = new TopicPartition("topic", i);
        List<Integer> replicas = Arrays.asList(0, 1, 2);
        LeaderAndIsrRequestData.LeaderAndIsrPartitionState partitionState = new LeaderAndIsrRequestData.LeaderAndIsrPartitionState().setControllerEpoch(0).setLeader(0).setLeaderEpoch(0).setIsr(replicas).setZkVersion(1).setReplicas(replicas).setIsNew(true);
        IsrChangeListener isrChangeListener = Mockito.mock(IsrChangeListener.class);
        OffsetCheckpoints offsetCheckpoints = Mockito.mock(OffsetCheckpoints.class);
        Mockito.when(offsetCheckpoints.fetch(logDir.getAbsolutePath(), tp)).thenReturn(Option.apply(0L));
        AlterIsrManager isrChannelManager = Mockito.mock(AlterIsrManager.class);
        Partition partition = new Partition(tp, 100, ApiVersion$.MODULE$.latestVersion(), 0, Time.SYSTEM, isrChangeListener, new DelayedOperationsMock(tp), Mockito.mock(MetadataCache.class), logManager, isrChannelManager);
        partition.makeFollower(partitionState, offsetCheckpoints, topicId);
        pool.put(tp, partition);
        initialFetchStates.put(tp, new InitialFetchState(topicId, new BrokerEndPoint(3, "host", 3000), 0, 0));
        BaseRecords fetched = new BaseRecords() {

            @Override
            public int sizeInBytes() {
                return 0;
            }

            @Override
            public RecordsSend<? extends BaseRecords> toSend() {
                return null;
            }
        };
        initialFetched.put(new TopicIdPartition(topicId.get(), tp), new FetchResponseData.PartitionData().setPartitionIndex(tp.partition()).setLastStableOffset(0).setLogStartOffset(0).setRecords(fetched));
        updatePartitionState.add(new UpdateMetadataRequestData.UpdateMetadataPartitionState().setTopicName("topic").setPartitionIndex(i).setControllerEpoch(0).setLeader(0).setLeaderEpoch(0).setIsr(replicas).setZkVersion(1).setReplicas(replicas));
    }
    UpdateMetadataRequest updateMetadataRequest = new UpdateMetadataRequest.Builder(ApiKeys.UPDATE_METADATA.latestVersion(), 0, 0, 0, updatePartitionState, Collections.emptyList(), topicIds).build();
    // TODO: fix to support raft
    ZkMetadataCache metadataCache = new ZkMetadataCache(0);
    metadataCache.updateMetadata(0, updateMetadataRequest);
    replicaManager = new ReplicaManagerBuilder().setConfig(config).setMetrics(metrics).setTime(new MockTime()).setZkClient(Mockito.mock(KafkaZkClient.class)).setScheduler(scheduler).setLogManager(logManager).setQuotaManagers(Mockito.mock(QuotaFactory.QuotaManagers.class)).setBrokerTopicStats(brokerTopicStats).setMetadataCache(metadataCache).setLogDirFailureChannel(new LogDirFailureChannel(logDirs.size())).setAlterIsrManager(TestUtils.createAlterIsrManager()).build();
    fetcher = new ReplicaFetcherBenchThread(config, replicaManager, pool);
    fetcher.addPartitions(initialFetchStates);
    // force a pass to move partitions to fetching state. We do this in the setup phase
    // so that we do not measure this time as part of the steady state work
    fetcher.doWork();
    // handle response to engage the incremental fetch session handler
    fetcher.fetchSessionHandler().handleResponse(FetchResponse.of(Errors.NONE, 0, 999, initialFetched), ApiKeys.FETCH.latestVersion());
}