Examples with XceiverClientManager org.apache.hadoop.hdds.scm.XceiverClientManager used on opensource projects

Example 1 with XceiverClientManager

use of org.apache.hadoop.hdds.scm.XceiverClientManager in project ozone by apache.

the class TestXceiverClientMetrics method testMetrics.

@Test
public void testMetrics() throws Exception {
    OzoneConfiguration conf = new OzoneConfiguration();
    String metaDir = GenericTestUtils.getTempPath(TestXceiverClientManager.class.getName() + UUID.randomUUID());
    conf.set(HDDS_METADATA_DIR_NAME, metaDir);
    XceiverClientManager clientManager = new XceiverClientManager(conf);
    ContainerWithPipeline container = storageContainerLocationClient.allocateContainer(SCMTestUtils.getReplicationType(conf), SCMTestUtils.getReplicationFactor(conf), OzoneConsts.OZONE);
    XceiverClientSpi client = clientManager.acquireClient(container.getPipeline());
    ContainerCommandRequestProto request = ContainerTestHelper.getCreateContainerRequest(container.getContainerInfo().getContainerID(), container.getPipeline());
    client.sendCommand(request);
    MetricsRecordBuilder containerMetrics = getMetrics(XceiverClientMetrics.SOURCE_NAME);
    // Above request command is in a synchronous way, so there will be no
    // pending requests.
    assertCounter("PendingOps", 0L, containerMetrics);
    assertCounter("numPendingCreateContainer", 0L, containerMetrics);
    // the counter value of average latency metric should be increased
    assertCounter("CreateContainerLatencyNumOps", 1L, containerMetrics);
    breakFlag = false;
    latch = new CountDownLatch(1);
    int numRequest = 10;
    List<CompletableFuture<ContainerCommandResponseProto>> computeResults = new ArrayList<>();
    // start new thread to send async requests
    Thread sendThread = new Thread(() -> {
        while (!breakFlag) {
            try {
                // use async interface for testing pending metrics
                for (int i = 0; i < numRequest; i++) {
                    BlockID blockID = ContainerTestHelper.getTestBlockID(container.getContainerInfo().getContainerID());
                    ContainerProtos.ContainerCommandRequestProto smallFileRequest;
                    smallFileRequest = ContainerTestHelper.getWriteSmallFileRequest(client.getPipeline(), blockID, 1024);
                    CompletableFuture<ContainerProtos.ContainerCommandResponseProto> response = client.sendCommandAsync(smallFileRequest).getResponse();
                    computeResults.add(response);
                }
                Thread.sleep(1000);
            } catch (Exception ignored) {
            }
        }
        latch.countDown();
    });
    sendThread.start();
    GenericTestUtils.waitFor(() -> {
        // check if pending metric count is increased
        MetricsRecordBuilder metric = getMetrics(XceiverClientMetrics.SOURCE_NAME);
        long pendingOps = getLongCounter("PendingOps", metric);
        long pendingPutSmallFileOps = getLongCounter("numPendingPutSmallFile", metric);
        if (pendingOps > 0 && pendingPutSmallFileOps > 0) {
            // reset break flag
            breakFlag = true;
            return true;
        } else {
            return false;
        }
    }, 100, 60000);
    // blocking until we stop sending async requests
    latch.await();
    // Wait for all futures being done.
    GenericTestUtils.waitFor(() -> {
        for (CompletableFuture future : computeResults) {
            if (!future.isDone()) {
                return false;
            }
        }
        return true;
    }, 100, 60000);
    // the counter value of pending metrics should be decreased to 0
    containerMetrics = getMetrics(XceiverClientMetrics.SOURCE_NAME);
    assertCounter("PendingOps", 0L, containerMetrics);
    assertCounter("numPendingPutSmallFile", 0L, containerMetrics);
    clientManager.close();
}

Example 2 with XceiverClientManager

use of org.apache.hadoop.hdds.scm.XceiverClientManager in project ozone by apache.

the class TestXceiverClientManager method testFreeByReference.

@Test
public void testFreeByReference() throws IOException {
    OzoneConfiguration conf = new OzoneConfiguration();
    ScmClientConfig clientConfig = conf.getObject(ScmClientConfig.class);
    clientConfig.setMaxSize(1);
    String metaDir = GenericTestUtils.getTempPath(TestXceiverClientManager.class.getName() + UUID.randomUUID());
    conf.set(HDDS_METADATA_DIR_NAME, metaDir);
    XceiverClientManager clientManager = new XceiverClientManager(conf, clientConfig, null);
    Cache<String, XceiverClientSpi> cache = clientManager.getClientCache();
    ContainerWithPipeline container1 = storageContainerLocationClient.allocateContainer(SCMTestUtils.getReplicationType(conf), HddsProtos.ReplicationFactor.ONE, OzoneConsts.OZONE);
    XceiverClientSpi client1 = clientManager.acquireClient(container1.getPipeline());
    Assert.assertEquals(1, client1.getRefcount());
    Assert.assertEquals(container1.getPipeline(), client1.getPipeline());
    ContainerWithPipeline container2 = storageContainerLocationClient.allocateContainer(SCMTestUtils.getReplicationType(conf), HddsProtos.ReplicationFactor.THREE, OzoneConsts.OZONE);
    XceiverClientSpi client2 = clientManager.acquireClient(container2.getPipeline());
    Assert.assertEquals(1, client2.getRefcount());
    Assert.assertNotEquals(client1, client2);
    // least recent container (i.e containerName1) is evicted
    XceiverClientSpi nonExistent1 = cache.getIfPresent(container1.getContainerInfo().getPipelineID().getId().toString() + container1.getContainerInfo().getReplicationType());
    Assert.assertEquals(null, nonExistent1);
    // However container call should succeed because of refcount on the client.
    ContainerProtocolCalls.createContainer(client1, container1.getContainerInfo().getContainerID(), null);
    // After releasing the client, this connection should be closed
    // and any container operations should fail
    clientManager.releaseClient(client1, false);
    String expectedMessage = "This channel is not connected.";
    try {
        ContainerProtocolCalls.createContainer(client1, container1.getContainerInfo().getContainerID(), null);
        Assert.fail("Create container should throw exception on closed" + "client");
    } catch (Exception e) {
        Assert.assertEquals(e.getClass(), IOException.class);
        Assert.assertTrue(e.getMessage().contains(expectedMessage));
    }
    clientManager.releaseClient(client2, false);
}

Example 3 with XceiverClientManager

use of org.apache.hadoop.hdds.scm.XceiverClientManager in project ozone by apache.

the class TestContainerSmallFile method init.

@BeforeClass
public static void init() throws Exception {
    ozoneConfig = new OzoneConfiguration();
    ozoneConfig.setClass(ScmConfigKeys.OZONE_SCM_CONTAINER_PLACEMENT_IMPL_KEY, SCMContainerPlacementCapacity.class, PlacementPolicy.class);
    cluster = MiniOzoneCluster.newBuilder(ozoneConfig).setNumDatanodes(3).build();
    cluster.waitForClusterToBeReady();
    storageContainerLocationClient = cluster.getStorageContainerLocationClient();
    xceiverClientManager = new XceiverClientManager(ozoneConfig);
}

Example 4 with XceiverClientManager

use of org.apache.hadoop.hdds.scm.XceiverClientManager in project ozone by apache.

the class DatanodeBlockPutter method call.

@Override
public Void call() throws Exception {
    init();
    OzoneConfiguration ozoneConf = createOzoneConfiguration();
    if (OzoneSecurityUtil.isSecurityEnabled(ozoneConf)) {
        throw new IllegalArgumentException("datanode-block-putter is not supported in secure environment");
    }
    try (StorageContainerLocationProtocol scmLocationClient = createStorageContainerLocationClient(ozoneConf)) {
        Pipeline pipeline = findPipelineForTest(pipelineId, scmLocationClient, LOG);
        try (XceiverClientManager xceiverClientManager = new XceiverClientManager(ozoneConf)) {
            client = xceiverClientManager.acquireClient(pipeline);
            timer = getMetrics().timer("put-block");
            byte[] data = RandomStringUtils.randomAscii(chunkSize).getBytes(StandardCharsets.UTF_8);
            Checksum checksum = new Checksum(ChecksumType.CRC32, 1024 * 1024);
            checksumProtobuf = checksum.computeChecksum(data).getProtoBufMessage();
            runTests(this::putBlock);
        }
    } finally {
        if (client != null) {
            client.close();
        }
    }
    return null;
}

Example 5 with XceiverClientManager

use of org.apache.hadoop.hdds.scm.XceiverClientManager in project ozone by apache.

the class ContainerOperationClient method newXCeiverClientManager.

private XceiverClientManager newXCeiverClientManager(ConfigurationSource conf) throws IOException {
    XceiverClientManager manager;
    if (OzoneSecurityUtil.isSecurityEnabled(conf)) {
        List<X509Certificate> caCertificates = HAUtils.buildCAX509List(null, conf);
        manager = new XceiverClientManager(conf, conf.getObject(XceiverClientManager.ScmClientConfig.class), caCertificates);
    } else {
        manager = new XceiverClientManager(conf);
    }
    return manager;
}