Examples with ReplicaThread com.github.ambry.replication.ReplicaThread used on opensource projects

Example 1 with ReplicaThread

use of com.github.ambry.replication.ReplicaThread in project ambry by linkedin.

the class CloudBlobStoreTest method testPutWithTtl.

/**
 * Test PUT(with TTL) and TtlUpdate record replication.
 * Replication may happen after PUT and after TtlUpdate, or after TtlUpdate only.
 * PUT may already expired, expiration time < upload threshold or expiration time >= upload threshold.
 * @throws Exception
 */
@Test
public void testPutWithTtl() throws Exception {
    // Set up remote host
    MockClusterMap clusterMap = new MockClusterMap();
    MockHost remoteHost = getLocalAndRemoteHosts(clusterMap).getSecond();
    List<PartitionId> partitionIds = clusterMap.getWritablePartitionIds(null);
    PartitionId partitionId = partitionIds.get(0);
    StoreKeyFactory storeKeyFactory = new BlobIdFactory(clusterMap);
    MockStoreKeyConverterFactory storeKeyConverterFactory = new MockStoreKeyConverterFactory(null, null);
    storeKeyConverterFactory.setConversionMap(new HashMap<>());
    storeKeyConverterFactory.setReturnInputIfAbsent(true);
    MockStoreKeyConverterFactory.MockStoreKeyConverter storeKeyConverter = storeKeyConverterFactory.getStoreKeyConverter();
    Transformer transformer = new BlobIdTransformer(storeKeyFactory, storeKeyConverter);
    Map<DataNodeId, MockHost> hosts = new HashMap<>();
    hosts.put(remoteHost.dataNodeId, remoteHost);
    MockConnectionPool connectionPool = new MockConnectionPool(hosts, clusterMap, 4);
    // Generate BlobIds for following PUT.
    short blobIdVersion = CommonTestUtils.getCurrentBlobIdVersion();
    short accountId = Utils.getRandomShort(TestUtils.RANDOM);
    short containerId = Utils.getRandomShort(TestUtils.RANDOM);
    boolean toEncrypt = TestUtils.RANDOM.nextBoolean();
    List<BlobId> blobIdList = new ArrayList<>();
    for (int i = 0; i < 6; i++) {
        blobIdList.add(new BlobId(blobIdVersion, BlobId.BlobIdType.NATIVE, ClusterMap.UNKNOWN_DATACENTER_ID, accountId, containerId, partitionId, toEncrypt, BlobId.BlobDataType.DATACHUNK));
    }
    // Set up VCR
    Properties props = new Properties();
    setBasicProperties(props);
    props.setProperty("clustermap.port", "12300");
    props.setProperty("vcr.ssl.port", "12345");
    ReplicationConfig replicationConfig = new ReplicationConfig(new VerifiableProperties(props));
    ClusterMapConfig clusterMapConfig = new ClusterMapConfig(new VerifiableProperties(props));
    CloudConfig cloudConfig = new CloudConfig(new VerifiableProperties(props));
    CloudDataNode cloudDataNode = new CloudDataNode(cloudConfig, clusterMapConfig);
    LatchBasedInMemoryCloudDestination latchBasedInMemoryCloudDestination = new LatchBasedInMemoryCloudDestination(blobIdList, clusterMap);
    CloudReplica cloudReplica = new CloudReplica(partitionId, cloudDataNode);
    CloudBlobStore cloudBlobStore = new CloudBlobStore(new VerifiableProperties(props), partitionId, latchBasedInMemoryCloudDestination, clusterMap, new VcrMetrics(new MetricRegistry()));
    cloudBlobStore.start();
    // Create ReplicaThread and add RemoteReplicaInfo to it.
    ReplicationMetrics replicationMetrics = new ReplicationMetrics(new MetricRegistry(), Collections.emptyList());
    ReplicaThread replicaThread = new ReplicaThread("threadtest", new MockFindTokenHelper(storeKeyFactory, replicationConfig), clusterMap, new AtomicInteger(0), cloudDataNode, connectionPool, replicationConfig, replicationMetrics, null, storeKeyConverter, transformer, clusterMap.getMetricRegistry(), false, cloudDataNode.getDatacenterName(), new ResponseHandler(clusterMap), new MockTime(), null, null, null);
    for (ReplicaId replica : partitionId.getReplicaIds()) {
        if (replica.getDataNodeId() == remoteHost.dataNodeId) {
            RemoteReplicaInfo remoteReplicaInfo = new RemoteReplicaInfo(replica, cloudReplica, cloudBlobStore, new MockFindToken(0, 0), Long.MAX_VALUE, SystemTime.getInstance(), new Port(remoteHost.dataNodeId.getPort(), PortType.PLAINTEXT));
            replicaThread.addRemoteReplicaInfo(remoteReplicaInfo);
            break;
        }
    }
    long referenceTime = System.currentTimeMillis();
    // Case 1: Put already expired. Replication happens after Put and after TtlUpdate.
    // Upload to Cloud only after replicating ttlUpdate.
    BlobId id = blobIdList.get(0);
    addPutMessagesToReplicasOfPartition(id, accountId, containerId, partitionId, Collections.singletonList(remoteHost), referenceTime - 2000, referenceTime - 1000);
    replicaThread.replicate();
    assertFalse("Blob should not exist.", latchBasedInMemoryCloudDestination.doesBlobExist(id));
    addTtlUpdateMessagesToReplicasOfPartition(partitionId, id, Collections.singletonList(remoteHost), Utils.Infinite_Time);
    replicaThread.replicate();
    assertTrue("Blob should exist.", latchBasedInMemoryCloudDestination.doesBlobExist(id));
    // Case 2: Put already expired. Replication happens after TtlUpdate.
    // Upload to Cloud only after replicating ttlUpdate.
    id = blobIdList.get(1);
    addPutMessagesToReplicasOfPartition(id, accountId, containerId, partitionId, Collections.singletonList(remoteHost), referenceTime - 2000, referenceTime - 1000);
    addTtlUpdateMessagesToReplicasOfPartition(partitionId, id, Collections.singletonList(remoteHost), Utils.Infinite_Time);
    replicaThread.replicate();
    assertTrue("Blob should exist.", latchBasedInMemoryCloudDestination.doesBlobExist(id));
    // Case 3: Put TTL less than cloudConfig.vcrMinTtlDays. Replication happens after Put and after TtlUpdate.
    // Upload to Cloud only after replicating ttlUpdate.
    id = blobIdList.get(2);
    addPutMessagesToReplicasOfPartition(id, accountId, containerId, partitionId, Collections.singletonList(remoteHost), referenceTime, referenceTime + TimeUnit.DAYS.toMillis(cloudConfig.vcrMinTtlDays) - 1);
    replicaThread.replicate();
    if (isVcr) {
        assertFalse("Blob should not exist (vcr).", latchBasedInMemoryCloudDestination.doesBlobExist(id));
    } else {
        assertTrue("Blob should exist (not vcr).", latchBasedInMemoryCloudDestination.doesBlobExist(id));
    }
    addTtlUpdateMessagesToReplicasOfPartition(partitionId, id, Collections.singletonList(remoteHost), Utils.Infinite_Time);
    replicaThread.replicate();
    assertTrue("Blob should exist.", latchBasedInMemoryCloudDestination.doesBlobExist(id));
    // Case 4: Put TTL less than cloudConfig.vcrMinTtlDays. Replication happens after TtlUpdate.
    // Upload to Cloud only after replicating ttlUpdate.
    id = blobIdList.get(3);
    addPutMessagesToReplicasOfPartition(id, accountId, containerId, partitionId, Collections.singletonList(remoteHost), referenceTime, referenceTime + TimeUnit.DAYS.toMillis(cloudConfig.vcrMinTtlDays) - 1);
    addTtlUpdateMessagesToReplicasOfPartition(partitionId, id, Collections.singletonList(remoteHost), Utils.Infinite_Time);
    replicaThread.replicate();
    assertTrue("Blob should exist.", latchBasedInMemoryCloudDestination.doesBlobExist(id));
    // Case 5: Put TTL greater than or equals to cloudConfig.vcrMinTtlDays. Replication happens after Put and after TtlUpdate.
    // Upload to Cloud after Put and update ttl after TtlUpdate.
    id = blobIdList.get(4);
    addPutMessagesToReplicasOfPartition(id, accountId, containerId, partitionId, Collections.singletonList(remoteHost), referenceTime, referenceTime + TimeUnit.DAYS.toMillis(cloudConfig.vcrMinTtlDays));
    replicaThread.replicate();
    assertTrue(latchBasedInMemoryCloudDestination.doesBlobExist(id));
    addTtlUpdateMessagesToReplicasOfPartition(partitionId, id, Collections.singletonList(remoteHost), Utils.Infinite_Time);
    replicaThread.replicate();
    assertTrue("Blob should exist.", latchBasedInMemoryCloudDestination.doesBlobExist(id));
    // Case 6: Put TTL greater than or equals to cloudConfig.vcrMinTtlDays. Replication happens after TtlUpdate.
    // Upload to Cloud after TtlUpdate.
    id = blobIdList.get(5);
    addPutMessagesToReplicasOfPartition(id, accountId, containerId, partitionId, Collections.singletonList(remoteHost), referenceTime, referenceTime + TimeUnit.DAYS.toMillis(cloudConfig.vcrMinTtlDays));
    addTtlUpdateMessagesToReplicasOfPartition(partitionId, id, Collections.singletonList(remoteHost), Utils.Infinite_Time);
    replicaThread.replicate();
    assertTrue("Blob should exist.", latchBasedInMemoryCloudDestination.doesBlobExist(id));
    // Verify expiration time of all blobs.
    Map<String, CloudBlobMetadata> map = latchBasedInMemoryCloudDestination.getBlobMetadata(blobIdList);
    for (BlobId blobId : blobIdList) {
        assertEquals("Blob ttl should be infinite now.", Utils.Infinite_Time, map.get(blobId.toString()).getExpirationTime());
    }
}