Package cascading.flow

Examples of cascading.flow.FlowSession

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    private int numTasks;
    private int taskNum;

    public TestFlowProcess( int numTasks, int taskNum )
      {
      super( new FlowSession() );
      this.numTasks = numTasks;
      this.taskNum = taskNum;
      }
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      HadoopUtil.initLog4j( jobConf );

      LOG.info( "cascading version: {}", jobConf.get( "cascading.version", "" ) );
      LOG.info( "child jvm opts: {}", jobConf.get( "mapred.child.java.opts", "" ) );

      currentProcess = new HadoopFlowProcess( new FlowSession(), jobConf, false );

      timedIterator = new TimedIterator( currentProcess, SliceCounters.Read_Duration, SliceCounters.Tuples_Read );

      String reduceNodeState = jobConf.getRaw( "cascading.flow.step.node.reduce" );
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      LOG.info( "cascading version: {}", configuration.get( "cascading.version", "" ) );
      // print jvm settings
//      LOG.info( "child jvm opts: {}", configuration.get( "mapred.child.java.opts", "" ) );

      currentProcess = new Hadoop2TezFlowProcess( new FlowSession(), getContext(), configuration );

      flowNode = deserializeBase64( configuration.getRaw( FlowNode.CASCADING_FLOW_NODE ), configuration, BaseFlowNode.class );
      }
    catch( Throwable throwable )
      {
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      HadoopUtil.initLog4j( jobConf );

      LOG.info( "cascading version: {}", jobConf.get( "cascading.version", "" ) );
      LOG.info( "child jvm opts: {}", jobConf.get( "mapred.child.java.opts", "" ) );

      currentProcess = new HadoopFlowProcess( new FlowSession(), jobConf, true );

      String mapNodeState = jobConf.getRaw( "cascading.flow.step.node.map" );

      if( mapNodeState == null )
        mapNodeState = readStateFromDistCache( jobConf, jobConf.get( FlowStep.CASCADING_FLOW_STEP_ID ), "map" );
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Related Classes of cascading.flow.FlowSession

  • cascading.flow.hadoop.FlowMapper
  • cascading.flow.hadoop.FlowReducer
  • cascading.flow.tez.FlowProcessor
  • cascading.operation.filter.LimitFilterTest$TestFlowProcess
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