Examples of restartDataNodes()

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

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       * testing that when datanodes are restarted on different ports, DFSClient
       * is able to re-fetch tokens transparently to connect to them
       */

      // restart datanodes on newly assigned ports
      assertTrue(cluster.restartDataNodes(false));
      cluster.waitActive();
      assertEquals(numDataNodes, cluster.getDataNodes().size());
      // verify blockSeekTo() is able to re-fetch token transparently
      in1.seek(0);
      assertTrue(checkFile1(in1));
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNodes()

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       * namenode. This test should run while namenode is down (to make sure no
       * new tokens can be fetched from namenode).
       */

      // restart datanodes on the same ports that they currently use
      assertTrue(cluster.restartDataNodes(true));
      cluster.waitActive();
      assertEquals(numDataNodes, cluster.getDataNodes().size());
      cluster.shutdownNameNode(0);

      // confirm tokens cached in in1 are still valid
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNodes()

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       * setup of this test depends on the previous test.
       */

      // restore the cluster and restart the datanodes for test
      cluster.restartNameNode(0);
      assertTrue(cluster.restartDataNodes(true));
      cluster.waitActive();
      assertEquals(numDataNodes, cluster.getDataNodes().size());

      // shutdown namenode so that DFSClient can't get new tokens from namenode
      cluster.shutdownNameNode(0);
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNodes()

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       * testing that when datanodes are restarted on different ports, DFSClient
       * is able to re-fetch tokens transparently to connect to them
       */

      // restart datanodes on newly assigned ports
      assertTrue(cluster.restartDataNodes(false));
      cluster.waitActive();
      assertEquals(numDataNodes, cluster.getDataNodes().size());
      // verify blockSeekTo() is able to re-fetch token transparently
      in1.seek(0);
      assertTrue(checkFile1(in1));
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNodes()

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      final String TopDir = "/test";
      DFSTestUtil util = new DFSTestUtil("TestCrcCorruption", 2, 3, 8*1024);
      util.createFiles(fs, TopDir, (short)3);
      util.waitReplication(fs, TopDir, (short)3);
      util.checkFiles(fs, TopDir);
      cluster.restartDataNodes();
      cluster.waitActive();
      util.checkFiles(fs, TopDir);
    } finally {
      cluster.shutdown();
    }
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNodes()

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      createUnlinkTmpFile(replica, false, false); // copy meta file
      replica = replicasItor.next();
      createUnlinkTmpFile(replica, true, true); // rename block file
      createUnlinkTmpFile(replica, false, false); // copy meta file

      cluster.restartDataNodes();
      cluster.waitActive();
      dn = cluster.getDataNodes().get(0);

      // check volumeMap: 4 finalized replica
      Collection<ReplicaInfo> replicas =
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNodes()

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       * namenode. This test should run while namenode is down (to make sure no
       * new tokens can be fetched from namenode).
       */

      // restart datanodes on the same ports that they currently use
      assertTrue(cluster.restartDataNodes(true));
      cluster.waitActive();
      assertEquals(numDataNodes, cluster.getDataNodes().size());
      cluster.shutdownNameNode();

      // confirm tokens cached in in1 are still valid
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNodes()

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       * setup of this test depends on the previous test.
       */

      // restore the cluster and restart the datanodes for test
      cluster.restartNameNode();
      assertTrue(cluster.restartDataNodes(true));
      cluster.waitActive();
      assertEquals(numDataNodes, cluster.getDataNodes().size());

      // shutdown namenode so that DFSClient can't get new tokens from namenode
      cluster.shutdownNameNode();
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNodes()

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       * testing that when datanodes are restarted on different ports, DFSClient
       * is able to re-fetch tokens transparently to connect to them
       */

      // restart datanodes on newly assigned ports
      assertTrue(cluster.restartDataNodes(false));
      cluster.waitActive();
      assertEquals(numDataNodes, cluster.getDataNodes().size());
      // verify blockSeekTo() is able to re-fetch token transparently
      in1.seek(0);
      assertTrue(checkFile1(in1));
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Examples of org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNodes()

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      // Occasionally the BlockPoolSliceScanner can run before we have removed
      // the blocks. Restart the Datanode to trigger the scanner into running
      // once more.
      LOG.info("Restarting Datanode to trigger BlockPoolSliceScanner");
      cluster.restartDataNodes();
      cluster.waitActive();

      badFiles =
        namenode.getNamesystem().listCorruptFileBlocks("/srcdat2", null);
       
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