Package org.apache.hadoop.yarn.client.api

Examples of org.apache.hadoop.yarn.client.api.YarnClient

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  private void verifyClientConnection() {
    int numRetries = 3;
    while(numRetries-- > 0) {
      Configuration conf = new YarnConfiguration(this.conf);
      YarnClient client = YarnClient.createYarnClient();
      client.init(conf);
      client.start();
      try {
        client.getApplications();
        return;
      } catch (Exception e) {
        LOG.error(e);
      } finally {
        client.stop();
      }
    }
    fail("Client couldn't connect to the Active RM");
  }
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        cluster.getActiveRMIndex());
  }

  protected YarnClient createAndStartYarnClient(Configuration conf) {
    Configuration configuration = new YarnConfiguration(conf);
    YarnClient client = YarnClient.createYarnClient();
    client.init(configuration);
    client.start();
    return client;
  }
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  protected void verifyClientConnection() {
    int numRetries = 3;
    while(numRetries-- > 0) {
      Configuration conf = new YarnConfiguration(this.conf);
      YarnClient client = createAndStartYarnClient(conf);
      try {
        Thread.sleep(100);
        client.getApplications();
        return;
      } catch (Exception e) {
        LOG.error(e.getMessage());
      } finally {
        client.stop();
      }
    }
    fail("Client couldn't connect to the Active RM");
  }
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        }
      }
    };
    t.start();

    YarnClient yarnClient = YarnClient.createYarnClient();
    yarnClient.init(new Configuration(yarnCluster.getConfig()));
    yarnClient.start();
    String hostName = NetUtils.getHostname();
    boolean verified = false;
    while(!verified) {
      List<ApplicationReport> apps = yarnClient.getApplications();
      if (apps.size() == 0 ) {
        Thread.sleep(10);
        continue;
      }
      ApplicationReport appReport = apps.get(0);
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    this.conf = Preconditions.checkNotNull(conf);
  }
 
  @Override
  public YarnClient connect() {
    YarnClient client = YarnClient.createYarnClient();
    client.init(new YarnConfiguration(conf));
    client.start();
    return client;
  }
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            Set<ApplicationId> childYarnJobs = getChildYarnJobs(actionConf);
            if (!childYarnJobs.isEmpty()) {
                System.out.println();
                System.out.println("Found [" + childYarnJobs.size() + "] Map-Reduce jobs from this launcher");
                System.out.println("Killing existing jobs and starting over:");
                YarnClient yarnClient = YarnClient.createYarnClient();
                yarnClient.init(actionConf);
                yarnClient.start();
                for (ApplicationId app : childYarnJobs) {
                    System.out.print("Killing job [" + app + "] ... ");
                    yarnClient.killApplication(app);
                    System.out.println("Done");
                }
                System.out.println();
            }
        } catch (YarnException ye) {
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  private void verifyClientConnection() {
    int numRetries = 3;
    while(numRetries-- > 0) {
      Configuration conf = new YarnConfiguration(this.conf);
      YarnClient client = YarnClient.createYarnClient();
      client.init(conf);
      client.start();
      try {
        client.getApplications();
        return;
      } catch (Exception e) {
        LOG.error(e);
      } finally {
        client.stop();
      }
    }
    fail("Client couldn't connect to the Active RM");
  }
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        return;
      } else {
        LOG.info(String.format("Found MR jobs count: %d", childJobs.size()));
        LOG.info("Killing all found jobs");

        YarnClient yarnClient = YarnClient.createYarnClient();
        yarnClient.init(conf);
        yarnClient.start();
        for (ApplicationId app: childJobs) {
          LOG.info(String.format("Killing job: %s ...", app));
          yarnClient.killApplication(app);
          LOG.info(String.format("Job %s killed", app));
        }
      }
    } catch (YarnException ye) {
      throw new RuntimeException("Exception occurred while killing child job(s)", ye);
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    ApplicationId appId = tezSession.getApplicationId();
    tezSession.stop();
    Assert.assertEquals(TezSessionStatus.SHUTDOWN,
        tezSession.getSessionStatus());

    YarnClient yarnClient = YarnClient.createYarnClient();
    yarnClient.init(mrrTezCluster.getConfig());
    yarnClient.start();

    while (true) {
      ApplicationReport appReport = yarnClient.getApplicationReport(appId);
      if (appReport.getYarnApplicationState().equals(
          YarnApplicationState.FINISHED)
          || appReport.getYarnApplicationState().equals(
              YarnApplicationState.FAILED)
          || appReport.getYarnApplicationState().equals(
              YarnApplicationState.KILLED)) {
        break;
      }
    }

    ApplicationReport appReport = yarnClient.getApplicationReport(appId);
    Assert.assertEquals(YarnApplicationState.FINISHED,
        appReport.getYarnApplicationState());
    Assert.assertEquals(FinalApplicationStatus.SUCCEEDED,
        appReport.getFinalApplicationStatus());
  }
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    ApplicationId appId = tezSession.getApplicationId();
    tezSession.stop();
    Assert.assertEquals(TezSessionStatus.SHUTDOWN,
        tezSession.getSessionStatus());

    YarnClient yarnClient = YarnClient.createYarnClient();
    yarnClient.init(mrrTezCluster.getConfig());
    yarnClient.start();

    while (true) {
      ApplicationReport appReport = yarnClient.getApplicationReport(appId);
      if (appReport.getYarnApplicationState().equals(
          YarnApplicationState.FINISHED)
          || appReport.getYarnApplicationState().equals(
              YarnApplicationState.FAILED)
          || appReport.getYarnApplicationState().equals(
              YarnApplicationState.KILLED)) {
        break;
      }
    }

    ApplicationReport appReport = yarnClient.getApplicationReport(appId);
    Assert.assertEquals(YarnApplicationState.FINISHED,
        appReport.getYarnApplicationState());
    Assert.assertEquals(FinalApplicationStatus.SUCCEEDED,
        appReport.getFinalApplicationStatus());
  }
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