Example usage for org.apache.hadoop.fs CommonConfigurationKeys IPC_MAXIMUM_DATA_LENGTH

Introduction

In this page you can find the example usage for org.apache.hadoop.fs CommonConfigurationKeys IPC_MAXIMUM_DATA_LENGTH.

Prototype

String IPC_MAXIMUM_DATA_LENGTH

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Document

Max request size a server will accept.

Usage

From source file:me.haohui.libhdfspp.TestRpcEngine.java

License:Apache License

@BeforeClass
public static void setUp() throws IOException {
    conf = new Configuration();
    conf.setInt(CommonConfigurationKeys.IPC_MAXIMUM_DATA_LENGTH, 1024);
    // Set RPC engine to protobuf RPC engine
    RPC.setProtocolEngine(conf, TestRpcService.class, ProtobufRpcEngine.class);

    // Create server side implementation
    PBServerImpl serverImpl = new PBServerImpl();
    BlockingService service = TestRpcServiceProtos.TestProtobufRpcProto
            .newReflectiveBlockingService(serverImpl);

    // Get RPC server for server side implementation
    server = new RPC.Builder(conf).setProtocol(TestRpcService.class).setInstance(service)
            .setBindAddress(ADDRESS).setPort(PORT).build();
    addr = NetUtils.getConnectAddress(server);
    server.start();// ww  w.  ja v a2  s  .c  o m
    executor.start();
}

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From source file:org.apache.tez.dag.api.client.rpc.TestDAGClientAMProtocolBlockingPBServerImpl.java

License:Apache License

@Test(timeout = 5000)
@SuppressWarnings("unchecked")
public void testSubmitDagInSessionWithLargeDagPlan() throws Exception {
    int maxIPCMsgSize = 1024;
    String dagPlanName = "dagplan-name";
    File requestFile = tmpFolder.newFile("request-file");
    TezConfiguration conf = new TezConfiguration();
    conf.setInt(CommonConfigurationKeys.IPC_MAXIMUM_DATA_LENGTH, maxIPCMsgSize);

    byte[] randomBytes = new byte[2 * maxIPCMsgSize];
    (new Random()).nextBytes(randomBytes);
    UserPayload payload = UserPayload.create(ByteBuffer.wrap(randomBytes));
    Vertex vertex = Vertex.create("V", ProcessorDescriptor.create("P").setUserPayload(payload), 1);
    DAGPlan dagPlan = DAG.create(dagPlanName).addVertex(vertex).createDag(conf, null, null, null, false);

    String lrName = "localResource";
    String scheme = "file";
    String host = "localhost";
    int port = 80;
    String path = "/test";
    URL lrURL = URL.newInstance(scheme, host, port, path);
    LocalResource localResource = LocalResource.newInstance(lrURL, LocalResourceType.FILE,
            LocalResourceVisibility.PUBLIC, 1, 1);
    Map<String, LocalResource> localResources = new HashMap<>();
    localResources.put(lrName, localResource);

    SubmitDAGRequestProto.Builder requestBuilder = SubmitDAGRequestProto.newBuilder().setDAGPlan(dagPlan)
            .setAdditionalAmResources(DagTypeConverters.convertFromLocalResources(localResources));
    try (FileOutputStream fileOutputStream = new FileOutputStream(requestFile)) {
        requestBuilder.build().writeTo(fileOutputStream);
    }/*from  w  w w.j  ava  2  s .  c o m*/

    DAGClientHandler dagClientHandler = mock(DAGClientHandler.class);
    ACLManager aclManager = mock(ACLManager.class);
    DAGClientAMProtocolBlockingPBServerImpl serverImpl = spy(
            new DAGClientAMProtocolBlockingPBServerImpl(dagClientHandler, FileSystem.get(conf)));
    when(dagClientHandler.getACLManager()).thenReturn(aclManager);
    when(dagClientHandler.submitDAG((DAGPlan) any(), (Map<String, LocalResource>) any())).thenReturn("dag-id");
    when(aclManager.checkAMModifyAccess((UserGroupInformation) any())).thenReturn(true);

    requestBuilder.clear().setSerializedRequestPath(requestFile.getAbsolutePath());
    serverImpl.submitDAG(null, requestBuilder.build());

    ArgumentCaptor<DAGPlan> dagPlanCaptor = ArgumentCaptor.forClass(DAGPlan.class);
    verify(dagClientHandler).submitDAG(dagPlanCaptor.capture(), localResourcesCaptor.capture());
    dagPlan = dagPlanCaptor.getValue();
    localResources = localResourcesCaptor.getValue();

    assertEquals(dagPlan.getName(), dagPlanName);
    assertEquals(dagPlan.getVertexCount(), 1);
    assertTrue(dagPlan.getSerializedSize() > maxIPCMsgSize);
    assertArrayEquals(randomBytes,
            dagPlan.getVertex(0).getProcessorDescriptor().getTezUserPayload().getUserPayload().toByteArray());
    assertEquals(localResources.size(), 1);
    assertTrue(localResources.containsKey(lrName));
    localResource = localResources.get(lrName);
    assertEquals(localResource.getType(), LocalResourceType.FILE);
    assertEquals(localResource.getVisibility(), LocalResourceVisibility.PUBLIC);
    lrURL = localResource.getResource();
    assertEquals(lrURL.getScheme(), scheme);
    assertEquals(lrURL.getHost(), host);
    assertEquals(lrURL.getPort(), port);
    assertEquals(lrURL.getFile(), path);
}

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