Examples of org.apache.hadoop.dfs.MiniDFSCluster.shutdown()

Class org.apache.hadoop.dfs.MiniDFSCluster

Examples of org.apache.hadoop.dfs.MiniDFSCluster.shutdown()

org.apache.hadoop.dfs.MiniDFSCluster.shutdown()
Shut down the servers that are up.

      e.printStackTrace();
      throw e;
      
    } finally {
      if(cluster != null) {
        cluster.shutdown();
      }
    }
  }
}

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      try {
        fs_.close();
      } catch (IOException io) {
      }
      if (cluster != null) {
        cluster.shutdown();
        System.out.println("cluster.shutdown(); DONE");
      }
      System.out.println(getClass().getName() + ": success=" + success);
    }
  }

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        deldir(namenode, "/destdat");
        deldir(namenode, "/srcdat");
        deldir(namenode, "/logs");
      }
    } finally {
      if (cluster != null) { cluster.shutdown(); }
    }
  }
  
  /** copy files from local file system to dfs file system */
  public void testCopyFromLocalToDfs() throws Exception {

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        deldir(namenode, "/destdat");
        deldir(namenode, "/logs");
        deldir("local", TEST_ROOT_DIR+"/srcdat");
      }
    } finally {
      if (cluster != null) { cluster.shutdown(); }
    }
  }


  /** copy files from dfs file system to local file system */
  public void testCopyFromDfsToLocal() throws Exception {

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        deldir("local", TEST_ROOT_DIR+"/destdat");
        deldir(namenode, "/logs");
        deldir(namenode, "/srcdat");
      }
    } finally {
      if (cluster != null) { cluster.shutdown(); }
    }
  }
  
}

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                 inputPath, outputPath, fixedPartitionOutput);
      runNonPipedProgram(mr, fs, new Path(cppExamples, "bin/wordcount-nopipe"));
      mr.waitUntilIdle();
    } finally {
      mr.shutdown();
      dfs.shutdown();
    }
  }


  final static String[] twoSplitOutput = new String[] {
    "`and\t1\na\t1\nand\t1\nbeginning\t1\nbook\t1\nbut\t1\nby\t1\n" +

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      e.printStackTrace();
      throw e;
      
    } finally {
      if(cluster != null) {
        cluster.shutdown();
      }
    }
  }
}

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          result = launchWordCount(namenode, jobTrackerName, jobConf, 
                                   "owen is oom", 0, 1);
          assertEquals("is\t1\noom\t1\nowen\t1\n", result);
      } finally {
          if (fileSys != null) { fileSys.close(); }
          if (dfs != null) { dfs.shutdown(); }
          if (mr != null) { mr.shutdown();
          }
      }
  }

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          args[3] = "/data";
          testFsOption(args, namenode);
          testConfOption(args, namenode);
          testPropertyOption(args, namenode);
        } finally {
          if (cluster != null) { cluster.shutdown(); }
        }
      }


    private void testFsOption(String [] args, String namenode) {        
        // prepare arguments to create a directory /data

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      try {
        fs_.close();
      } catch (IOException io) {
      }
      if (cluster != null) {
        cluster.shutdown();
        System.out.println("cluster.shutdown(); DONE");
      }
      System.out.println(getClass().getName() + ": success=" + success);
    }
  }

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