Examples of org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown()

Package org.apache.hadoop.hdfs.server.datanode

Class org.apache.hadoop.hdfs.server.datanode.DataNode

Examples of org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown()

org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown()
Shut down this instance of the datanode. Returns only after shutdown is complete. This method can only be called by the offerService thread. Otherwise, deadlock might occur.

      fail();
    } catch(Exception e) {
      // expecting exception here
    } finally {
      if (dn != null) {
        dn.shutdown();
      }
    }
    assertNull("Data-node startup should have failed.", dn);


    // 2. Test "file:" schema and no schema (path-only). Both should work.

View Full Code Here

    try {
      // Try starting the DN with limit configured to the ulimit
      conf.setLong(DFSConfigKeys.DFS_DATANODE_MAX_LOCKED_MEMORY_KEY,
          memlockLimit);
      dn = DataNode.createDataNode(new String[]{},  conf);
      dn.shutdown();
      dn = null;
      // Try starting the DN with a limit > ulimit
      conf.setLong(DFSConfigKeys.DFS_DATANODE_MAX_LOCKED_MEMORY_KEY,
          memlockLimit+1);
      try {

View Full Code Here

        GenericTestUtils.assertExceptionContains(
            "more than the datanode's available RLIMIT_MEMLOCK", e);
      }
    } finally {
      if (dn != null) {
        dn.shutdown();
      }
      conf.setLong(DFSConfigKeys.DFS_DATANODE_MAX_LOCKED_MEMORY_KEY,
          prevLimit);
    }
  }

View Full Code Here

   */
  public void shutdownDataNodes() {
    for (int i = dataNodes.size()-1; i >= 0; i--) {
      LOG.info("Shutting down DataNode " + i);
      DataNode dn = dataNodes.remove(i).datanode;
      dn.shutdown();
      numDataNodes--;
    }
  }


  /**

View Full Code Here

    DataNode dn = dnprop.datanode;
    LOG.info("MiniDFSCluster Stopping DataNode " +
                       dn.getMachineName() +
                       " from a total of " + (dataNodes.size() + 1) + 
                       " datanodes.");
    dn.shutdown();
    numDataNodes--;
    return dnprop;
  }


  /*

View Full Code Here

    } catch(IOException e) {
      if (e instanceof java.net.BindException)
        return false;
      throw e;
    } finally {
      if(dn != null) dn.shutdown();
    }
    return true;
  }


  /**

View Full Code Here

   */
  public void shutdownDataNodes() {
    for (int i = dataNodes.size()-1; i >= 0; i--) {
      LOG.info("Shutting down DataNode " + i);
      DataNode dn = dataNodes.remove(i).datanode;
      dn.shutdown();
      numDataNodes--;
    }
  }


  /**

View Full Code Here

    DataNode dn = dnprop.datanode;
    LOG.info("MiniDFSCluster Stopping DataNode " +
                       dn.getMachineName() +
                       " from a total of " + (dataNodes.size() + 1) + 
                       " datanodes.");
    dn.shutdown();
    numDataNodes--;
    return dnprop;
  }


  /*

View Full Code Here

    } catch(IOException e) {
      if (e instanceof java.net.BindException)
        return false;
      throw e;
    } finally {
      if(dn != null) dn.shutdown();
    }
    return true;
  }


  /**

View Full Code Here

   */
  public void shutdownDataNodes() {
    for (int i = dataNodes.size()-1; i >= 0; i--) {
      LOG.info("Shutting down DataNode " + i);
      DataNode dn = dataNodes.remove(i).datanode;
      dn.shutdown();
      numDataNodes--;
    }
  }


  /**

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.