Java Configuration.setInt方法代碼示例

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
private HAServiceProtocol getProxyForAddress(Configuration conf,
    int timeoutMs, InetSocketAddress addr) throws IOException {
  Configuration confCopy = new Configuration(conf);
  // Lower the timeout so we quickly fail to connect
  confCopy.setInt(
      CommonConfigurationKeysPublic.IPC_CLIENT_CONNECT_MAX_RETRIES_KEY, 1);
  SocketFactory factory = NetUtils.getDefaultSocketFactory(confCopy);
  return new HAServiceProtocolClientSideTranslatorPB(
      addr,
      confCopy, factory, timeoutMs);
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
@Before
public void setUp() throws Exception {
  Configuration conf = new Configuration();
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_CHECKPOINT_CHECK_PERIOD_KEY, 1);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_CHECKPOINT_TXNS_KEY, 5);
  conf.setInt(DFSConfigKeys.DFS_HA_TAILEDITS_PERIOD_KEY, 1);
  conf.set(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY, BKJMUtil
      .createJournalURI("/bootstrapStandby").toString());
  BKJMUtil.addJournalManagerDefinition(conf);
  conf.setBoolean(DFSConfigKeys.DFS_IMAGE_COMPRESS_KEY, true);
  conf.set(DFSConfigKeys.DFS_IMAGE_COMPRESSION_CODEC_KEY,
      SlowCodec.class.getCanonicalName());
  CompressionCodecFactory.setCodecClasses(conf,
      ImmutableList.<Class> of(SlowCodec.class));
  MiniDFSNNTopology topology = new MiniDFSNNTopology()
      .addNameservice(new MiniDFSNNTopology.NSConf("ns1").addNN(
          new MiniDFSNNTopology.NNConf("nn1").setHttpPort(10001)).addNN(
          new MiniDFSNNTopology.NNConf("nn2").setHttpPort(10002)));
  cluster = new MiniDFSCluster.Builder(conf).nnTopology(topology)
      .numDataNodes(1).manageNameDfsSharedDirs(false).build();
  cluster.waitActive();
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
@Override
protected void configureServlets() {
  bind(JAXBContextResolver.class);
  bind(RMWebServices.class);
  bind(GenericExceptionHandler.class);
  Configuration rmconf = new Configuration();
  rmconf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
    YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS);
  rmconf.setClass(YarnConfiguration.RM_SCHEDULER, FifoScheduler.class,
    ResourceScheduler.class);
  rmconf.setBoolean(YarnConfiguration.YARN_ACL_ENABLE, true);
  rm = new MockRM(rmconf);
  bind(ResourceManager.class).toInstance(rm);
  if (isKerberosAuth == true) {
    filter("/*").through(TestKerberosAuthFilter.class);
  } else {
    filter("/*").through(TestSimpleAuthFilter.class);
  }
  serve("/*").with(GuiceContainer.class);
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
private static void setupConf(Configuration conf) {
  // disable the ui
  conf.setInt("hbase.regionsever.info.port", -1);
  // change the flush size to a small amount, regulating number of store files
  conf.setInt("hbase.hregion.memstore.flush.size", 25000);
  // so make sure we get a compaction when doing a load, but keep around some
  // files in the store
  conf.setInt("hbase.hstore.compaction.min", 2);
  conf.setInt("hbase.hstore.compactionThreshold", 5);
  // block writes if we get to 12 store files
  conf.setInt("hbase.hstore.blockingStoreFiles", 12);
  // Ensure no extra cleaners on by default (e.g. TimeToLiveHFileCleaner)
  conf.set(HFileCleaner.MASTER_HFILE_CLEANER_PLUGINS, "");
  conf.set(HConstants.HBASE_MASTER_LOGCLEANER_PLUGINS, "");
  // Enable snapshot
  conf.setBoolean(SnapshotManager.HBASE_SNAPSHOT_ENABLED, true);
  conf.setLong(SnapshotHFileCleaner.HFILE_CACHE_REFRESH_PERIOD_CONF_KEY, cacheRefreshPeriod);
  conf.set(HConstants.HBASE_REGION_SPLIT_POLICY_KEY,
    ConstantSizeRegionSplitPolicy.class.getName());

}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
@Override
protected void propagateOptionsToJob(Job job) {
  super.propagateOptionsToJob(job);
  Configuration conf = job.getConfiguration();

  // This is export job where re-trying failed mapper mostly don't make sense. By
  // default we will force MR to run only one attempt per mapper. User or connector
  // developer can override this behavior by setting SQOOP_EXPORT_MAP_TASK_MAX_ATTEMTPS:
  //
  // * Positive number - we will allow specified number of attempts
  // * Negative number - we will default to Hadoop's default number of attempts
  //
  // This is important for most connectors as they are directly committing data to
  // final table and hence re-running one mapper will lead to a misleading errors
  // of inserting duplicate rows.
  int sqoopMaxAttempts = conf.getInt(SQOOP_EXPORT_MAP_TASK_MAX_ATTEMTPS, 1);
  if (sqoopMaxAttempts > 1) {
    conf.setInt(HADOOP_MAP_TASK_MAX_ATTEMTPS, sqoopMaxAttempts);
  }
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
@SuppressWarnings("rawtypes")
@Before
public void setupCluster() throws Exception {
  Configuration conf = setupCommonConfig();

  // Dial down the retention of extra edits and checkpoints. This is to
  // help catch regressions of HDFS-4238 (SBN should not purge shared edits)
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_NUM_CHECKPOINTS_RETAINED_KEY, 1);
  conf.setInt(DFSConfigKeys.DFS_NAMENODE_NUM_EXTRA_EDITS_RETAINED_KEY, 0);

  int retryCount = 0;
  while (true) {
    try {
      int basePort = 10060 + random.nextInt(100) * 2;
      MiniDFSNNTopology topology = new MiniDFSNNTopology()
          .addNameservice(new MiniDFSNNTopology.NSConf("ns1")
              .addNN(new MiniDFSNNTopology.NNConf("nn1").setHttpPort(basePort))
              .addNN(new MiniDFSNNTopology.NNConf("nn2").setHttpPort(basePort + 1)));

      cluster = new MiniDFSCluster.Builder(conf)
          .nnTopology(topology)
          .numDataNodes(1)
          .build();
      cluster.waitActive();

      nn0 = cluster.getNameNode(0);
      nn1 = cluster.getNameNode(1);
      fs = HATestUtil.configureFailoverFs(cluster, conf);

      cluster.transitionToActive(0);
      ++retryCount;
      break;
    } catch (BindException e) {
      LOG.info("Set up MiniDFSCluster failed due to port conflicts, retry "
          + retryCount + " times");
    }
  }
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
public void testRbwReplicas() throws IOException {
  Configuration conf = new HdfsConfiguration();
  conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, 1024L);
  conf.setInt(DFSConfigKeys.DFS_CLIENT_WRITE_PACKET_SIZE_KEY, 512);
  MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(2).build();
  cluster.waitActive();
  try {
    testRbwReplicas(cluster, false);
    testRbwReplicas(cluster, true);
  } finally {
    cluster.shutdown();
  }
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
@Test
public void testStripBOM() throws IOException {
  // the test data contains a BOM at the start of the file
  // confirm the BOM is skipped by LineRecordReader
  String UTF8_BOM = "\uFEFF";
  URL testFileUrl = getClass().getClassLoader().getResource("testBOM.txt");
  assertNotNull("Cannot find testBOM.txt", testFileUrl);
  File testFile = new File(testFileUrl.getFile());
  Path testFilePath = new Path(testFile.getAbsolutePath());
  long testFileSize = testFile.length();
  Configuration conf = new Configuration();
  conf.setInt(org.apache.hadoop.mapreduce.lib.input.
      LineRecordReader.MAX_LINE_LENGTH, Integer.MAX_VALUE);

  TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());

  // read the data and check whether BOM is skipped
  FileSplit split = new FileSplit(testFilePath, 0, testFileSize,
      (String[])null);
  LineRecordReader reader = new LineRecordReader();
  reader.initialize(split, context);
  int numRecords = 0;
  boolean firstLine = true;
  boolean skipBOM = true;
  while (reader.nextKeyValue()) {
    if (firstLine) {
      firstLine = false;
      if (reader.getCurrentValue().toString().startsWith(UTF8_BOM)) {
        skipBOM = false;
      }
    }
    ++numRecords;
  }
  reader.close();

  assertTrue("BOM is not skipped", skipBOM);
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
public HadoopTrainWorker(Configuration conf,
                         String modelName,
                         String configPath,
                         String configFile,
                         String pyTransformScript,
                         boolean needPyTransform,
                         String loginName,
                         String hostName,
                         int hostPort,
                         int slaveNum,
                         int threadNum,
                         String hadoopQueueName,
                         String hadoopReduceMemory,
                         String user) throws Exception {
    super(modelName, configPath, configFile, pyTransformScript, needPyTransform, loginName, hostName, hostPort, threadNum);
    this.conf = conf;
    this.slaveNum = slaveNum;
    this.hadoopQueueName = hadoopQueueName;
    this.hadoopReduceMemory = hadoopReduceMemory;
    this.user = user;

    conf.set("mapreduce.task.timeout", "720000000");
    conf.set("modelName", modelName);
    conf.set("configFile", configFile);
    conf.set("pyTransformScript", pyTransformScript);
    conf.setBoolean("needPyTransform", needPyTransform);
    conf.set("loginName", loginName);
    conf.set("hostName", hostName);
    conf.setInt("hostPort", hostPort);
    conf.setInt("slaveNum", slaveNum);
    conf.setInt("threadNum", threadNum);

    conf.set("mapreduce.job.queuename", hadoopQueueName);
    conf.set("mapreduce.reduce.memory.mb", hadoopReduceMemory);
    conf.set("mapreduce.reduce.java.opts", "-Xmx" + ((int)((Integer.parseInt(hadoopReduceMemory) * 0.9))) + "m");
    conf.set("yarn.app.mapreduce.am.resource.mb", "" + threadNum);
    conf.set("mapreduce.reduce.cpu.vcores", "" + threadNum);
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
@Test
public void typical() {
  Configuration conf = new Configuration();
  conf.set(ConfigurationVariable.REGION.getName(), "eu-west-1");
  conf.setInt(ConfigurationVariable.UPLOAD_RETRY_COUNT.getName(), 7);
  conf.setLong(ConfigurationVariable.UPLOAD_RETRY_DELAY_MS.getName(), 333L);
  AmazonS3 client = factory.newInstance(conf);
  assertThat(client, is(instanceOf(AmazonS3Client.class)));
  assertThat(client.getRegion(), is(Region.EU_Ireland));
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
private void runFsck(String command) throws Exception {
  Configuration conf = fs.getConf();
  // Set the dangling cutoff to zero, so every temp blob is considered
  // dangling.
  conf.setInt(NativeAzureFileSystem.AZURE_TEMP_EXPIRY_PROPERTY_NAME, 0);
  WasbFsck fsck = new WasbFsck(conf);
  fsck.setMockFileSystemForTesting(fs);
  fsck.run(new String[] { AzureBlobStorageTestAccount.MOCK_WASB_URI, command });
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
@Before
public void setUp() throws IOException { // Setup server for both protocols
  conf = new Configuration();
  conf.setInt(CommonConfigurationKeys.IPC_MAXIMUM_DATA_LENGTH, 1024);
  conf.setBoolean(CommonConfigurationKeys.IPC_SERVER_LOG_SLOW_RPC, true);
  // Set RPC engine to protobuf RPC engine
  RPC.setProtocolEngine(conf, TestRpcService.class, ProtobufRpcEngine.class);
  RPC.setProtocolEngine(conf, TestRpcService2.class, ProtobufRpcEngine.class);

  // Create server side implementation
  PBServerImpl serverImpl = new PBServerImpl();
  BlockingService service = 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);

  // now the second protocol
  PBServer2Impl server2Impl = new PBServer2Impl();
  BlockingService service2 = TestProtobufRpc2Proto
      .newReflectiveBlockingService(server2Impl);

  server.addProtocol(RPC.RpcKind.RPC_PROTOCOL_BUFFER, TestRpcService2.class,
      service2);
  server.start();
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
@BeforeClass
public static void setupBeforeClass() throws Exception {
  Configuration conf = UTIL.getConfiguration();
  conf.set(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY,
      BuggyMasterObserver.class.getName());
  conf.setBoolean(CoprocessorHost.ABORT_ON_ERROR_KEY, true);
  conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 2);  // Fail fast
  UTIL.startMiniCluster();
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
private static StripeCompactionPolicy createPolicy(Configuration conf,
    long splitSize, float splitCount, int initialCount, boolean hasTtl) throws Exception {
  conf.setLong(StripeStoreConfig.SIZE_TO_SPLIT_KEY, splitSize);
  conf.setFloat(StripeStoreConfig.SPLIT_PARTS_KEY, splitCount);
  conf.setInt(StripeStoreConfig.INITIAL_STRIPE_COUNT_KEY, initialCount);
  StoreConfigInformation sci = mock(StoreConfigInformation.class);
  when(sci.getStoreFileTtl()).thenReturn(hasTtl ? defaultTtl : Long.MAX_VALUE);
  StripeStoreConfig ssc = new StripeStoreConfig(conf, sci);
  return new StripeCompactionPolicy(conf, sci, ssc);
}
 

import org.apache.hadoop.conf.Configuration; //導入方法依賴的package包/類
/** Test lease recovery Triggered by DFSClient. */
@Test
public void testClientTriggeredLeaseRecovery() throws Exception {
  final int REPLICATION = 3;
  Configuration conf = new HdfsConfiguration();
  conf.setInt(DFSConfigKeys.DFS_DATANODE_HANDLER_COUNT_KEY, 1);
  conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, REPLICATION);
  MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(REPLICATION).build();

  try {
    final FileSystem fs = cluster.getFileSystem();
    final Path dir = new Path("/wrwelkj");
    
    SlowWriter[] slowwriters = new SlowWriter[10];
    for(int i = 0; i < slowwriters.length; i++) {
      slowwriters[i] = new SlowWriter(fs, new Path(dir, "file" + i));
    }

    try {
      for(int i = 0; i < slowwriters.length; i++) {
        slowwriters[i].start();
      }

      Thread.sleep(1000);                       // let writers get started

      //stop a datanode, it should have least recover.
      cluster.stopDataNode(AppendTestUtil.nextInt(REPLICATION));
      
      //let the slow writer writes a few more seconds
      System.out.println("Wait a few seconds");
      Thread.sleep(5000);
    }
    finally {
      for(int i = 0; i < slowwriters.length; i++) {
        if (slowwriters[i] != null) {
          slowwriters[i].running = false;
          slowwriters[i].interrupt();
        }
      }
      for(int i = 0; i < slowwriters.length; i++) {
        if (slowwriters[i] != null) {
          slowwriters[i].join();
        }
      }
    }

    //Verify the file
    System.out.println("Verify the file");
    for(int i = 0; i < slowwriters.length; i++) {
      System.out.println(slowwriters[i].filepath + ": length="
          + fs.getFileStatus(slowwriters[i].filepath).getLen());
      FSDataInputStream in = null;
      try {
        in = fs.open(slowwriters[i].filepath);
        for(int j = 0, x; (x = in.read()) != -1; j++) {
          assertEquals(j, x);
        }
      }
      finally {
        IOUtils.closeStream(in);
      }
    }
  } finally {
    if (cluster != null) {cluster.shutdown();}
  }
}