Examples of stopDataNode()

Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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      cluster.transitionToStandby(0);
      cluster.transitionToActive(1);

      assertTrue(fs.exists(TEST_PATH));
     
      cluster.stopDataNode(0);

      // write another block and a half
      AppendTestUtil.write(stm, BLOCK_AND_A_HALF, BLOCK_AND_A_HALF);
      stm.hflush();
     
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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      LOG.info("Failing back to NN 0");
      cluster.transitionToStandby(0);
      cluster.transitionToActive(1);
     
      cluster.stopDataNode(1);
     
      AppendTestUtil.write(stm, BLOCK_AND_A_HALF*2, BLOCK_AND_A_HALF);
      stm.hflush();
     
     
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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      cluster.startDataNodes(conf, 2, true, null, null);
      cluster.waitActive();
     
      // bring down first datanode
      DatanodeDescriptor datanode = datanodes[0];
      DataNodeProperties dnprop = cluster.stopDataNode(datanode.getName());
      // make sure that NN detects that the datanode is down
      synchronized (namesystem.heartbeats) {
        datanode.setLastUpdate(0); // mark it dead
        namesystem.heartbeatCheck();
      }
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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        }
      }
      assertTrue(nonExcessDN!=null);
     
      // bring down non excessive datanode
      dnprop = cluster.stopDataNode(nonExcessDN.getName());
      // make sure that NN detects that the datanode is down
      synchronized (namesystem.heartbeats) {
        nonExcessDN.setLastUpdate(0); // mark it dead
        namesystem.heartbeatCheck();
      }
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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      cluster.startDataNodes(conf, 2, true, null, null);
      cluster.waitActive();
     
      // bring down first datanode
      DatanodeDescriptor datanode = datanodes[0];
      DataNodeProperties dnprop = cluster.stopDataNode(datanode.getName());
      // make sure that NN detects that the datanode is down
      synchronized (namesystem.heartbeats) {
        datanode.setLastUpdate(0); // mark it dead
        namesystem.heartbeatCheck();
      }
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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        }
      }
      assertTrue(nonExcessDN!=null);
     
      // bring down non excessive datanode
      dnprop = cluster.stopDataNode(nonExcessDN.getName());
      // make sure that NN detects that the datanode is down
      synchronized (namesystem.heartbeats) {
        nonExcessDN.setLastUpdate(0); // mark it dead
        namesystem.heartbeatCheck();
      }
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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        } catch (InterruptedException ignored) {
        }
      }

      // remove a datanode to force re-establishing pipeline
      cluster.stopDataNode(0);
      // append the rest of the file
      stm.write(rawData, mid, rawData.length - mid);
      stm.close();
      // check if append is successful
      FSDataInputStream in5 = fs.open(fileToAppend);
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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        } catch (InterruptedException ignored) {
        }
      }

      // remove a datanode to force re-establishing pipeline
      cluster.stopDataNode(0);
      // write the rest of the file
      stm.write(rawData, mid, rawData.length - mid);
      stm.close();
      // check if write is successful
      FSDataInputStream in4 = fs.open(fileToWrite);
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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      DFSTestUtil.waitReplication(fs, fileName, (short)3);
     
      // corrupt the block on datanode 0
      Block block = DFSTestUtil.getFirstBlock(fs, fileName);
      TestDatanodeBlockScanner.corruptReplica(block.getBlockName(), 0);
      DataNodeProperties dnProps = cluster.stopDataNode(0);
      // remove block scanner log to trigger block scanning
      File scanLog = new File(System.getProperty("test.build.data"),
          "dfs/data/data1" + MiniDFSCluster.FINALIZED_DIR_NAME +
          "dncp_block_verification.log.curr");
      //wait for one minute for deletion to succeed;
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode()

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        } catch (InterruptedException ignored) {
        }
      }

      // remove a datanode to force re-establishing pipeline
      cluster.stopDataNode(0);
      // append the rest of the file
      stm.write(rawData, mid, rawData.length - mid);
      stm.close();
      // check if append is successful
      FSDataInputStream in5 = fs.open(fileToAppend);
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