Package org.apache.hadoop.hdfs

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

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      fs = HATestUtil.configureFailoverFs(cluster, conf);
      assertTrue(fs.mkdirs(new Path("/foo1")));
     
      // Do the upgrade. Shut down NN1 and then restart NN0 with the upgrade
      // flag.
      cluster.shutdownNameNode(1);
      cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.UPGRADE);
      cluster.restartNameNode(0, false);
     
      checkNnPreviousDirExistence(cluster, 0, true);
      checkNnPreviousDirExistence(cluster, 1, false);
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      fs = HATestUtil.configureFailoverFs(cluster, conf);
      assertTrue(fs.mkdirs(new Path("/foo1")));
     
      // Do the upgrade. Shut down NN1 and then restart NN0 with the upgrade
      // flag.
      cluster.shutdownNameNode(1);
      cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.UPGRADE);
      cluster.restartNameNode(0, false);
     
      assertTrue(fs.mkdirs(new Path("/foo2")));
     
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      fs = HATestUtil.configureFailoverFs(cluster, conf);
      assertTrue(fs.mkdirs(new Path("/foo1")));
     
      // Do the upgrade. Shut down NN1 and then restart NN0 with the upgrade
      // flag.
      cluster.shutdownNameNode(1);
      cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.UPGRADE);
      cluster.restartNameNode(0, false);
     
      checkNnPreviousDirExistence(cluster, 0, true);
      checkNnPreviousDirExistence(cluster, 1, false);
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      fs = HATestUtil.configureFailoverFs(cluster, conf);
      assertTrue(fs.mkdirs(new Path("/foo1")));
     
      // Do the upgrade. Shut down NN1 and then restart NN0 with the upgrade
      // flag.
      cluster.shutdownNameNode(1);
      cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.UPGRADE);
      cluster.restartNameNode(0, false);
     
      checkNnPreviousDirExistence(cluster, 0, true);
      checkNnPreviousDirExistence(cluster, 1, false);
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      fs = HATestUtil.configureFailoverFs(cluster, conf);
      assertTrue(fs.mkdirs(new Path("/foo1")));
     
      // Do the upgrade. Shut down NN1 and then restart NN0 with the upgrade
      // flag.
      cluster.shutdownNameNode(1);
      cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.UPGRADE);
      cluster.restartNameNode(0, false);
     
      checkNnPreviousDirExistence(cluster, 0, true);
      checkNnPreviousDirExistence(cluster, 1, false);
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      // 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
      lblocks = DFSTestUtil.getAllBlocks(in1);
      for (LocatedBlock blk : lblocks) {
        assertFalse(SecurityTestUtil.isBlockTokenExpired(blk.getBlockToken()));
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       * setup for this test depends on the previous test.
       */

      // restart the namenode and then shut it down for test
      cluster.restartNameNode(0);
      cluster.shutdownNameNode(0);

      // verify blockSeekTo() still works (forced to use cached tokens)
      in1.seek(0);
      assertTrue(checkFile1(in1));
      // verify again blockSeekTo() still works (forced to use cached tokens)
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      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);

      // verify blockSeekTo() fails (cached tokens become invalid)
      in1.seek(0);
      assertFalse(checkFile1(in1));
      // verify fetchBlockByteRange() fails (cached tokens become invalid)
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      cluster.transitionToActive(0);

      final Path dir = new Path("/test");
      Assert.assertTrue(fs.mkdirs(dir));

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

      final Path dir2 = new Path("/test2");
      Assert.assertTrue(fs.mkdirs(dir2));
    } finally {
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      FileSystemTestHelper.addFileSystemForTesting(WEBHDFS_URI, conf, fs);

      cluster.transitionToActive(0);
      Token<?> token = fs.getDelegationToken(null);

      cluster.shutdownNameNode(0);
      cluster.transitionToActive(1);
      token.renew(conf);
      token.cancel(conf);
      verify(fs).renewDelegationToken(token);
      verify(fs).cancelDelegationToken(token);
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