Examples of org.apache.hadoop.mapreduce.QueueInfo

org.apache.hadoop.mapreduce.QueueInfo
Class that contains the information regarding the Job Queues which are maintained by the Hadoop Map/Reduce framework.

   * @throws IOException
   */
  
  public JobStatus[] getJobsFromQueue(final String queueName) throws IOException {
    try {
      QueueInfo queue = clientUgi.doAs(new PrivilegedExceptionAction<QueueInfo>() {
        @Override
        public QueueInfo run() throws IOException, InterruptedException {
          return cluster.getQueue(queueName);
        }
      });
      if (queue == null) {
        return null;
      }
      org.apache.hadoop.mapreduce.JobStatus[] stats = 
        queue.getJobStatuses();
      JobStatus[] ret = new JobStatus[stats.length];
      for (int i = 0 ; i < stats.length; i++ ) {
        ret[i] = JobStatus.downgrade(stats[i]);
      }
      return ret;

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   * @return Queue information associated to particular queue.
   * @throws IOException
   */
  public JobQueueInfo getQueueInfo(final String queueName) throws IOException {
    try {
      QueueInfo queueInfo = clientUgi.doAs(new 
          PrivilegedExceptionAction<QueueInfo>() {
        public QueueInfo run() throws IOException, InterruptedException {
          return cluster.getQueue(queueName);
        }
      });

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   * @throws IOException
   */
  
  public JobStatus[] getJobsFromQueue(final String queueName) throws IOException {
    try {
      QueueInfo queue = clientUgi.doAs(new PrivilegedExceptionAction<QueueInfo>() {
        @Override
        public QueueInfo run() throws IOException, InterruptedException {
          return cluster.getQueue(queueName);
        }
      });
      if (queue == null) {
        return null;
      }
      org.apache.hadoop.mapreduce.JobStatus[] stats = 
        queue.getJobStatuses();
      JobStatus[] ret = new JobStatus[stats.length];
      for (int i = 0 ; i < stats.length; i++ ) {
        ret[i] = JobStatus.downgrade(stats[i]);
      }
      return ret;

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   * @return Queue information associated to particular queue.
   * @throws IOException
   */
  public JobQueueInfo getQueueInfo(final String queueName) throws IOException {
    try {
      QueueInfo queueInfo = clientUgi.doAs(new 
          PrivilegedExceptionAction<QueueInfo>() {
        public QueueInfo run() throws IOException, InterruptedException {
          return cluster.getQueue(queueName);
        }
      });

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   * @throws IOException
   */
  
  public JobStatus[] getJobsFromQueue(final String queueName) throws IOException {
    try {
      QueueInfo queue = clientUgi.doAs(new PrivilegedExceptionAction<QueueInfo>() {
        @Override
        public QueueInfo run() throws IOException, InterruptedException {
          return cluster.getQueue(queueName);
        }
      });
      if (queue == null) {
        return null;
      }
      org.apache.hadoop.mapreduce.JobStatus[] stats = 
        queue.getJobStatuses();
      JobStatus[] ret = new JobStatus[stats.length];
      for (int i = 0 ; i < stats.length; i++ ) {
        ret[i] = JobStatus.downgrade(stats[i]);
      }
      return ret;

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   * @return Queue information associated to particular queue.
   * @throws IOException
   */
  public JobQueueInfo getQueueInfo(final String queueName) throws IOException {
    try {
      QueueInfo queueInfo = clientUgi.doAs(new 
          PrivilegedExceptionAction<QueueInfo>() {
        public QueueInfo run() throws IOException, InterruptedException {
          return cluster.getQueue(queueName);
        }
      });

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    Configuration conf = new Configuration();
    conf.addResource(CONFIG);
    setUpCluster(conf);
    JobClient jc = new JobClient(miniMRCluster.createJobConf());
    // test for existing queue
    QueueInfo queueInfo = jc.getQueueInfo("q1");
    assertEquals("q1",queueInfo.getQueueName());
    // try getting a non-existing queue
    queueInfo = jc.getQueueInfo("queue");
    assertNull(queueInfo);


    new File(CONFIG).delete();

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   * @throws IOException
   */
  
  public JobStatus[] getJobsFromQueue(String queueName) throws IOException {
    try {
      QueueInfo queue = cluster.getQueue(queueName);
      if (queue == null) {
        return null;
      }
      org.apache.hadoop.mapreduce.JobStatus[] stats = 
        queue.getJobStatuses();
      JobStatus[] ret = new JobStatus[stats.length];
      for (int i = 0 ; i < stats.length; i++ ) {
        ret[i] = JobStatus.downgrade(stats[i]);
      }
      return ret;

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   * @return Queue information associated to particular queue.
   * @throws IOException
   */
  public JobQueueInfo getQueueInfo(String queueName) throws IOException {
    try {
      QueueInfo queueInfo = cluster.getQueue(queueName);
      if (queueInfo != null) {
        return new JobQueueInfo(queueInfo);
      }
      return null;
    } catch (InterruptedException ie) {

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   * @return Queue information associated to particular queue.
   * @throws IOException
   */
  public JobQueueInfo getQueueInfo(final String queueName) throws IOException {
    try {
      QueueInfo queueInfo = clientUgi.doAs(new 
          PrivilegedExceptionAction<QueueInfo>() {
        public QueueInfo run() throws IOException, InterruptedException {
          return cluster.getQueue(queueName);
        }
      });

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org.apache.hadoop.mapred.JobClient

org.apache.hadoop.mapred.TestJobQueueClient

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