Examples with ValidatingTransformer com.github.ambry.messageformat.ValidatingTransformer used on opensource projects

Example 1 with ValidatingTransformer

use of com.github.ambry.messageformat.ValidatingTransformer in project ambry by linkedin.

the class ReplicationTest method remoteReplicaInfoAddRemoveTest.

/**
 * Tests add/remove replicaInfo to {@link ReplicaThread}
 * @throws Exception
 */
@Test
public void remoteReplicaInfoAddRemoveTest() throws Exception {
    MockClusterMap clusterMap = new MockClusterMap();
    Pair<MockHost, MockHost> localAndRemoteHosts = getLocalAndRemoteHosts(clusterMap);
    MockHost localHost = localAndRemoteHosts.getFirst();
    MockHost remoteHost = localAndRemoteHosts.getSecond();
    StoreKeyFactory storeKeyFactory = Utils.getObj("com.github.ambry.commons.BlobIdFactory", clusterMap);
    MockStoreKeyConverterFactory mockStoreKeyConverterFactory = new MockStoreKeyConverterFactory(null, null);
    mockStoreKeyConverterFactory.setReturnInputIfAbsent(true);
    mockStoreKeyConverterFactory.setConversionMap(new HashMap<>());
    StoreKeyConverter storeKeyConverter = mockStoreKeyConverterFactory.getStoreKeyConverter();
    Transformer transformer = new ValidatingTransformer(storeKeyFactory, storeKeyConverter);
    ReplicationMetrics replicationMetrics = new ReplicationMetrics(new MetricRegistry(), clusterMap.getReplicaIds(localHost.dataNodeId));
    replicationMetrics.populateSingleColoMetrics(remoteHost.dataNodeId.getDatacenterName());
    List<RemoteReplicaInfo> remoteReplicaInfoList = localHost.getRemoteReplicaInfos(remoteHost, null);
    Map<DataNodeId, MockHost> hosts = new HashMap<>();
    hosts.put(remoteHost.dataNodeId, remoteHost);
    MockConnectionPool connectionPool = new MockConnectionPool(hosts, clusterMap, 4);
    ReplicaThread replicaThread = new ReplicaThread("threadtest", new MockFindTokenHelper(storeKeyFactory, replicationConfig), clusterMap, new AtomicInteger(0), localHost.dataNodeId, connectionPool, replicationConfig, replicationMetrics, null, mockStoreKeyConverterFactory.getStoreKeyConverter(), transformer, clusterMap.getMetricRegistry(), false, localHost.dataNodeId.getDatacenterName(), new ResponseHandler(clusterMap), time, null, null, null);
    for (RemoteReplicaInfo remoteReplicaInfo : remoteReplicaInfoList) {
        replicaThread.addRemoteReplicaInfo(remoteReplicaInfo);
    }
    List<RemoteReplicaInfo> actualRemoteReplicaInfoList = replicaThread.getRemoteReplicaInfos().get(remoteHost.dataNodeId);
    Comparator<RemoteReplicaInfo> remoteReplicaInfoComparator = Comparator.comparing(info -> info.getReplicaId().getPartitionId().toPathString());
    Collections.sort(remoteReplicaInfoList, remoteReplicaInfoComparator);
    Collections.sort(actualRemoteReplicaInfoList, remoteReplicaInfoComparator);
    assertEquals("getRemoteReplicaInfos not correct", remoteReplicaInfoList, actualRemoteReplicaInfoList);
    // Test remove remoteReplicaInfo.
    replicaThread.removeRemoteReplicaInfo(remoteReplicaInfoList.get(remoteReplicaInfoList.size() - 1));
    actualRemoteReplicaInfoList = replicaThread.getRemoteReplicaInfos().get(remoteHost.dataNodeId);
    Collections.sort(actualRemoteReplicaInfoList, remoteReplicaInfoComparator);
    remoteReplicaInfoList.remove(remoteReplicaInfoList.size() - 1);
    assertEquals("getRemoteReplicaInfos not correct", remoteReplicaInfoList, actualRemoteReplicaInfoList);
}

Example 2 with ValidatingTransformer

use of com.github.ambry.messageformat.ValidatingTransformer in project ambry by linkedin.

the class ReplicationTest method replicationPauseTest.

/**
 * Tests pausing replication for all and individual partitions. Also tests replication will pause on store that is not
 * started and resume when store restarted.
 * @throws Exception
 */
@Test
public void replicationPauseTest() throws Exception {
    MockClusterMap clusterMap = new MockClusterMap();
    Pair<MockHost, MockHost> localAndRemoteHosts = getLocalAndRemoteHosts(clusterMap);
    MockHost localHost = localAndRemoteHosts.getFirst();
    MockHost remoteHost = localAndRemoteHosts.getSecond();
    List<PartitionId> partitionIds = clusterMap.getAllPartitionIds(null);
    for (PartitionId partitionId : partitionIds) {
        // add  10 messages to the remote host only
        addPutMessagesToReplicasOfPartition(partitionId, Collections.singletonList(remoteHost), 10);
    }
    StoreKeyFactory storeKeyFactory = new BlobIdFactory(clusterMap);
    MockStoreKeyConverterFactory storeKeyConverterFactory = new MockStoreKeyConverterFactory(null, null);
    storeKeyConverterFactory.setConversionMap(new HashMap<>());
    storeKeyConverterFactory.setReturnInputIfAbsent(true);
    StoreKeyConverter storeKeyConverter = storeKeyConverterFactory.getStoreKeyConverter();
    Transformer transformer = new ValidatingTransformer(storeKeyFactory, storeKeyConverter);
    int batchSize = 4;
    Pair<Map<DataNodeId, List<RemoteReplicaInfo>>, ReplicaThread> replicasAndThread = getRemoteReplicasAndReplicaThread(batchSize, clusterMap, localHost, remoteHost, storeKeyConverter, transformer, null, null);
    Map<DataNodeId, List<RemoteReplicaInfo>> replicasToReplicate = replicasAndThread.getFirst();
    ReplicaThread replicaThread = replicasAndThread.getSecond();
    Map<PartitionId, Integer> progressTracker = new HashMap<>();
    PartitionId partitionToResumeFirst = clusterMap.getAllPartitionIds(null).get(0);
    PartitionId partitionToShutdownLocally = clusterMap.getAllPartitionIds(null).get(1);
    boolean allStopped = false;
    boolean onlyOneResumed = false;
    boolean allReenabled = false;
    boolean shutdownStoreRestarted = false;
    Set<PartitionId> expectedPaused = new HashSet<>();
    assertEquals("There should be no disabled partitions", expectedPaused, replicaThread.getReplicationDisabledPartitions());
    while (true) {
        replicaThread.replicate();
        boolean replicationDone = true;
        for (RemoteReplicaInfo replicaInfo : replicasToReplicate.get(remoteHost.dataNodeId)) {
            PartitionId id = replicaInfo.getReplicaId().getPartitionId();
            MockFindToken token = (MockFindToken) replicaInfo.getToken();
            int lastProgress = progressTracker.computeIfAbsent(id, id1 -> 0);
            int currentProgress = token.getIndex();
            boolean partDone = currentProgress + 1 == remoteHost.infosByPartition.get(id).size();
            if (allStopped || (onlyOneResumed && !id.equals(partitionToResumeFirst)) || (allReenabled && !shutdownStoreRestarted && id.equals(partitionToShutdownLocally))) {
                assertEquals("There should have been no progress", lastProgress, currentProgress);
            } else if (!partDone) {
                assertTrue("There has been no progress", currentProgress > lastProgress);
                progressTracker.put(id, currentProgress);
            }
            replicationDone = replicationDone && partDone;
        }
        if (!allStopped && !onlyOneResumed && !allReenabled && !shutdownStoreRestarted) {
            replicaThread.controlReplicationForPartitions(clusterMap.getAllPartitionIds(null), false);
            expectedPaused.addAll(clusterMap.getAllPartitionIds(null));
            assertEquals("Disabled partitions sets do not match", expectedPaused, replicaThread.getReplicationDisabledPartitions());
            allStopped = true;
        } else if (!onlyOneResumed && !allReenabled && !shutdownStoreRestarted) {
            // resume replication for first partition
            replicaThread.controlReplicationForPartitions(Collections.singletonList(partitionIds.get(0)), true);
            expectedPaused.remove(partitionIds.get(0));
            assertEquals("Disabled partitions sets do not match", expectedPaused, replicaThread.getReplicationDisabledPartitions());
            allStopped = false;
            onlyOneResumed = true;
        } else if (!allReenabled && !shutdownStoreRestarted) {
            // not removing the first partition
            replicaThread.controlReplicationForPartitions(clusterMap.getAllPartitionIds(null), true);
            // shutdown one local store to pause replication against that store
            localHost.storesByPartition.get(partitionToShutdownLocally).shutdown();
            onlyOneResumed = false;
            allReenabled = true;
            expectedPaused.clear();
            assertEquals("Disabled partitions sets do not match", expectedPaused, replicaThread.getReplicationDisabledPartitions());
        } else if (!shutdownStoreRestarted) {
            localHost.storesByPartition.get(partitionToShutdownLocally).start();
            shutdownStoreRestarted = true;
        }
        if (replicationDone) {
            break;
        }
    }
    Map<PartitionId, List<MessageInfo>> missingInfos = remoteHost.getMissingInfos(localHost.infosByPartition);
    for (Map.Entry<PartitionId, List<MessageInfo>> entry : missingInfos.entrySet()) {
        assertEquals("No infos should be missing", 0, entry.getValue().size());
    }
    Map<PartitionId, List<ByteBuffer>> missingBuffers = remoteHost.getMissingBuffers(localHost.buffersByPartition);
    for (Map.Entry<PartitionId, List<ByteBuffer>> entry : missingBuffers.entrySet()) {
        assertEquals("No buffers should be missing", 0, entry.getValue().size());
    }
}

Example 3 with ValidatingTransformer

use of com.github.ambry.messageformat.ValidatingTransformer in project ambry by linkedin.

the class ReplicationTest method limitMaxPartitionCountPerRequestTest.

/**
 * Test that max partition count per request is honored in {@link ReplicaThread} if there are too many partitions to
 * replicate from the remote node.
 * @throws Exception
 */
@Test
public void limitMaxPartitionCountPerRequestTest() throws Exception {
    MockClusterMap clusterMap = new MockClusterMap();
    Pair<MockHost, MockHost> localAndRemoteHosts = getLocalAndRemoteHosts(clusterMap);
    MockHost localHost = localAndRemoteHosts.getFirst();
    MockHost remoteHost = localAndRemoteHosts.getSecond();
    List<PartitionId> partitionIds = clusterMap.getAllPartitionIds(null);
    for (PartitionId partitionId : partitionIds) {
        // add 5 messages into each partition and place it on remote host only
        addPutMessagesToReplicasOfPartition(partitionId, Collections.singletonList(remoteHost), 5);
    }
    StoreKeyFactory storeKeyFactory = Utils.getObj("com.github.ambry.commons.BlobIdFactory", clusterMap);
    MockStoreKeyConverterFactory mockStoreKeyConverterFactory = new MockStoreKeyConverterFactory(null, null);
    mockStoreKeyConverterFactory.setReturnInputIfAbsent(true);
    mockStoreKeyConverterFactory.setConversionMap(new HashMap<>());
    // we set batchSize to 10 in order to get all messages from one partition within single replication cycle
    int batchSize = 10;
    StoreKeyConverter storeKeyConverter = mockStoreKeyConverterFactory.getStoreKeyConverter();
    Transformer transformer = new ValidatingTransformer(storeKeyFactory, storeKeyConverter);
    // we set max partition count per request to 5, which forces thread to replicate replicas in two cycles. (Note that
    // number of partition to replicate is 10, they will be replicated in two batches)
    ReplicationConfig initialReplicationConfig = replicationConfig;
    properties.setProperty("replication.max.partition.count.per.request", String.valueOf(5));
    replicationConfig = new ReplicationConfig(new VerifiableProperties(properties));
    CountDownLatch replicationCompleted = new CountDownLatch(partitionIds.size());
    AtomicReference<Exception> exception = new AtomicReference<>();
    Pair<Map<DataNodeId, List<RemoteReplicaInfo>>, ReplicaThread> replicasAndThread = getRemoteReplicasAndReplicaThread(batchSize, clusterMap, localHost, remoteHost, storeKeyConverter, transformer, (store, messageInfos) -> {
        try {
            replicationCompleted.countDown();
            // for each partition, replication should complete within single cycle (fetch once should suffice), so
            // we shut down local store once blobs are written. This can avoid unnecessary metadata requests sent to
            // remote host.
            store.shutdown();
        } catch (Exception e) {
            exception.set(e);
        }
    }, null);
    ReplicaThread replicaThread = replicasAndThread.getSecond();
    Thread thread = Utils.newThread(replicaThread, false);
    thread.start();
    assertTrue("Replication didn't complete within 10 secs", replicationCompleted.await(10, TimeUnit.SECONDS));
    // verify the # of replicas per metadata request is limited to 5 (note that there are 10 replicas to replicate, they
    // are split into to 2 small batches and get replicated in separate requests)
    assertEquals("There should be 2 metadata requests and each has 5 replicas to replicate", Arrays.asList(5, 5), remoteHost.replicaCountPerRequestTracker);
    // shutdown
    replicaThread.shutdown();
    if (exception.get() != null) {
        throw exception.get();
    }
    replicationConfig = initialReplicationConfig;
}

Example 4 with ValidatingTransformer

use of com.github.ambry.messageformat.ValidatingTransformer in project ambry by linkedin.

the class ReplicationTest method replicationAllPauseTest.

/**
 * Tests pausing all partitions and makes sure that the replica thread pauses. Also tests that it resumes when one
 * eligible partition is re-enabled and that replication completes successfully.
 * @throws Exception
 */
@Test
public void replicationAllPauseTest() throws Exception {
    MockClusterMap clusterMap = new MockClusterMap();
    Pair<MockHost, MockHost> localAndRemoteHosts = getLocalAndRemoteHosts(clusterMap);
    MockHost localHost = localAndRemoteHosts.getFirst();
    MockHost remoteHost = localAndRemoteHosts.getSecond();
    List<PartitionId> partitionIds = clusterMap.getAllPartitionIds(null);
    for (PartitionId partitionId : partitionIds) {
        // add 10 messages into each partition and place it on remote host only
        addPutMessagesToReplicasOfPartition(partitionId, Collections.singletonList(remoteHost), 10);
    }
    StoreKeyFactory storeKeyFactory = Utils.getObj("com.github.ambry.commons.BlobIdFactory", clusterMap);
    MockStoreKeyConverterFactory mockStoreKeyConverterFactory = new MockStoreKeyConverterFactory(null, null);
    mockStoreKeyConverterFactory.setReturnInputIfAbsent(true);
    mockStoreKeyConverterFactory.setConversionMap(new HashMap<>());
    int batchSize = 4;
    StoreKeyConverter storeKeyConverter = mockStoreKeyConverterFactory.getStoreKeyConverter();
    Transformer transformer = new ValidatingTransformer(storeKeyFactory, storeKeyConverter);
    CountDownLatch readyToPause = new CountDownLatch(1);
    CountDownLatch readyToProceed = new CountDownLatch(1);
    AtomicReference<CountDownLatch> reachedLimitLatch = new AtomicReference<>(new CountDownLatch(1));
    AtomicReference<Exception> exception = new AtomicReference<>();
    Pair<Map<DataNodeId, List<RemoteReplicaInfo>>, ReplicaThread> replicasAndThread = getRemoteReplicasAndReplicaThread(batchSize, clusterMap, localHost, remoteHost, storeKeyConverter, transformer, (store, messageInfos) -> {
        try {
            readyToPause.countDown();
            readyToProceed.await();
            if (store.messageInfos.size() == remoteHost.infosByPartition.get(store.id).size()) {
                reachedLimitLatch.get().countDown();
            }
        } catch (Exception e) {
            exception.set(e);
        }
    }, null);
    ReplicaThread replicaThread = replicasAndThread.getSecond();
    Thread thread = Utils.newThread(replicaThread, false);
    thread.start();
    assertEquals("There should be no disabled partitions", 0, replicaThread.getReplicationDisabledPartitions().size());
    // wait to pause replication
    readyToPause.await(10, TimeUnit.SECONDS);
    replicaThread.controlReplicationForPartitions(clusterMap.getAllPartitionIds(null), false);
    Set<PartitionId> expectedPaused = new HashSet<>(clusterMap.getAllPartitionIds(null));
    assertEquals("Disabled partitions sets do not match", expectedPaused, replicaThread.getReplicationDisabledPartitions());
    // signal the replica thread to move forward
    readyToProceed.countDown();
    // wait for the thread to go into waiting state
    assertTrue("Replica thread did not go into waiting state", TestUtils.waitUntilExpectedState(thread, Thread.State.WAITING, 10000));
    // unpause one partition
    replicaThread.controlReplicationForPartitions(Collections.singletonList(partitionIds.get(0)), true);
    expectedPaused.remove(partitionIds.get(0));
    assertEquals("Disabled partitions sets do not match", expectedPaused, replicaThread.getReplicationDisabledPartitions());
    // wait for it to catch up
    reachedLimitLatch.get().await(10, TimeUnit.SECONDS);
    // reset limit
    reachedLimitLatch.set(new CountDownLatch(partitionIds.size() - 1));
    // unpause all partitions
    replicaThread.controlReplicationForPartitions(clusterMap.getAllPartitionIds(null), true);
    assertEquals("There should be no disabled partitions", 0, replicaThread.getReplicationDisabledPartitions().size());
    // wait until all catch up
    reachedLimitLatch.get().await(10, TimeUnit.SECONDS);
    // shutdown
    replicaThread.shutdown();
    if (exception.get() != null) {
        throw exception.get();
    }
    Map<PartitionId, List<MessageInfo>> missingInfos = remoteHost.getMissingInfos(localHost.infosByPartition);
    for (Map.Entry<PartitionId, List<MessageInfo>> entry : missingInfos.entrySet()) {
        assertEquals("No infos should be missing", 0, entry.getValue().size());
    }
    Map<PartitionId, List<ByteBuffer>> missingBuffers = remoteHost.getMissingBuffers(localHost.buffersByPartition);
    for (Map.Entry<PartitionId, List<ByteBuffer>> entry : missingBuffers.entrySet()) {
        assertEquals("No buffers should be missing", 0, entry.getValue().size());
    }
}