Java Code Examples for org.apache.hadoop.hdfs.MiniDFSCluster#getSharedEditsDir()
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org.apache.hadoop.hdfs.MiniDFSCluster#getSharedEditsDir() .
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Example 1
Source File: TestEditLogTailer.java From hadoop with Apache License 2.0 | 5 votes |
private static void waitForLogRollInSharedDir(MiniDFSCluster cluster, long startTxId) throws Exception { URI sharedUri = cluster.getSharedEditsDir(0, 1); File sharedDir = new File(sharedUri.getPath(), "current"); final File expectedLog = new File(sharedDir, NNStorage.getInProgressEditsFileName(startTxId)); GenericTestUtils.waitFor(new Supplier<Boolean>() { @Override public Boolean get() { return expectedLog.exists(); } }, 100, 10000); }
Example 2
Source File: TestEditLogTailer.java From big-c with Apache License 2.0 | 5 votes |
private static void waitForLogRollInSharedDir(MiniDFSCluster cluster, long startTxId) throws Exception { URI sharedUri = cluster.getSharedEditsDir(0, 1); File sharedDir = new File(sharedUri.getPath(), "current"); final File expectedLog = new File(sharedDir, NNStorage.getInProgressEditsFileName(startTxId)); GenericTestUtils.waitFor(new Supplier<Boolean>() { @Override public Boolean get() { return expectedLog.exists(); } }, 100, 10000); }
Example 3
Source File: TestDFSUpgradeWithHA.java From hadoop with Apache License 2.0 | 4 votes |
/** * Ensure that an admin cannot finalize an HA upgrade without at least one NN * being active. */ @Test public void testCannotFinalizeIfNoActive() throws IOException, URISyntaxException { MiniDFSCluster cluster = null; FileSystem fs = null; try { cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleHATopology()) .numDataNodes(0) .build(); File sharedDir = new File(cluster.getSharedEditsDir(0, 1)); // No upgrade is in progress at the moment. checkClusterPreviousDirExistence(cluster, false); assertCTimesEqual(cluster); checkPreviousDirExistence(sharedDir, false); // Transition NN0 to active and do some FS ops. cluster.transitionToActive(0); 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); checkPreviousDirExistence(sharedDir, true); // NN0 should come up in the active state when given the -upgrade option, // so no need to transition it to active. assertTrue(fs.mkdirs(new Path("/foo2"))); // Restart NN0 without the -upgrade flag, to make sure that works. cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.REGULAR); cluster.restartNameNode(0, false); // Make sure we can still do FS ops after upgrading. cluster.transitionToActive(0); assertTrue(fs.mkdirs(new Path("/foo3"))); // Now bootstrap the standby with the upgraded info. int rc = BootstrapStandby.run( new String[]{"-force"}, cluster.getConfiguration(1)); assertEquals(0, rc); // Now restart NN1 and make sure that we can do ops against that as well. cluster.restartNameNode(1); cluster.transitionToStandby(0); cluster.transitionToActive(1); assertTrue(fs.mkdirs(new Path("/foo4"))); assertCTimesEqual(cluster); // Now there's no active NN. cluster.transitionToStandby(1); try { runFinalizeCommand(cluster); fail("Should not have been able to finalize upgrade with no NN active"); } catch (IOException ioe) { GenericTestUtils.assertExceptionContains( "Cannot finalize with no NameNode active", ioe); } } finally { if (fs != null) { fs.close(); } if (cluster != null) { cluster.shutdown(); } } }
Example 4
Source File: TestDFSUpgradeWithHA.java From hadoop with Apache License 2.0 | 4 votes |
/** * Make sure that an HA NN with NFS-based HA can successfully start and * upgrade. */ @Test public void testNfsUpgrade() throws IOException, URISyntaxException { MiniDFSCluster cluster = null; FileSystem fs = null; try { cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleHATopology()) .numDataNodes(0) .build(); File sharedDir = new File(cluster.getSharedEditsDir(0, 1)); // No upgrade is in progress at the moment. checkClusterPreviousDirExistence(cluster, false); assertCTimesEqual(cluster); checkPreviousDirExistence(sharedDir, false); // Transition NN0 to active and do some FS ops. cluster.transitionToActive(0); 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); checkPreviousDirExistence(sharedDir, true); // NN0 should come up in the active state when given the -upgrade option, // so no need to transition it to active. assertTrue(fs.mkdirs(new Path("/foo2"))); // Restart NN0 without the -upgrade flag, to make sure that works. cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.REGULAR); cluster.restartNameNode(0, false); // Make sure we can still do FS ops after upgrading. cluster.transitionToActive(0); assertTrue(fs.mkdirs(new Path("/foo3"))); // Now bootstrap the standby with the upgraded info. int rc = BootstrapStandby.run( new String[]{"-force"}, cluster.getConfiguration(1)); assertEquals(0, rc); // Now restart NN1 and make sure that we can do ops against that as well. cluster.restartNameNode(1); cluster.transitionToStandby(0); cluster.transitionToActive(1); assertTrue(fs.mkdirs(new Path("/foo4"))); assertCTimesEqual(cluster); } finally { if (fs != null) { fs.close(); } if (cluster != null) { cluster.shutdown(); } } }
Example 5
Source File: TestDFSUpgradeWithHA.java From hadoop with Apache License 2.0 | 4 votes |
/** * Test rollback with NFS shared dir. */ @Test public void testRollbackWithNfs() throws Exception { MiniDFSCluster cluster = null; FileSystem fs = null; try { cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleHATopology()) .numDataNodes(0) .build(); File sharedDir = new File(cluster.getSharedEditsDir(0, 1)); // No upgrade is in progress at the moment. checkClusterPreviousDirExistence(cluster, false); assertCTimesEqual(cluster); checkPreviousDirExistence(sharedDir, false); // Transition NN0 to active and do some FS ops. cluster.transitionToActive(0); 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); checkPreviousDirExistence(sharedDir, true); // NN0 should come up in the active state when given the -upgrade option, // so no need to transition it to active. assertTrue(fs.mkdirs(new Path("/foo2"))); // Now bootstrap the standby with the upgraded info. int rc = BootstrapStandby.run( new String[]{"-force"}, cluster.getConfiguration(1)); assertEquals(0, rc); cluster.restartNameNode(1); checkNnPreviousDirExistence(cluster, 0, true); checkNnPreviousDirExistence(cluster, 1, true); checkPreviousDirExistence(sharedDir, true); assertCTimesEqual(cluster); // Now shut down the cluster and do the rollback. Collection<URI> nn1NameDirs = cluster.getNameDirs(0); cluster.shutdown(); conf.setStrings(DFSConfigKeys.DFS_NAMENODE_NAME_DIR_KEY, Joiner.on(",").join(nn1NameDirs)); NameNode.doRollback(conf, false); // The rollback operation should have rolled back the first NN's local // dirs, and the shared dir, but not the other NN's dirs. Those have to be // done by bootstrapping the standby. checkNnPreviousDirExistence(cluster, 0, false); checkPreviousDirExistence(sharedDir, false); } finally { if (fs != null) { fs.close(); } if (cluster != null) { cluster.shutdown(); } } }
Example 6
Source File: TestDFSUpgradeWithHA.java From hadoop with Apache License 2.0 | 4 votes |
/** * Make sure that starting a second NN with the -upgrade flag fails if the * other NN has already done that. */ @Test public void testCannotUpgradeSecondNameNode() throws IOException, URISyntaxException { MiniDFSCluster cluster = null; FileSystem fs = null; try { cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleHATopology()) .numDataNodes(0) .build(); File sharedDir = new File(cluster.getSharedEditsDir(0, 1)); // No upgrade is in progress at the moment. checkClusterPreviousDirExistence(cluster, false); assertCTimesEqual(cluster); checkPreviousDirExistence(sharedDir, false); // Transition NN0 to active and do some FS ops. cluster.transitionToActive(0); 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); checkPreviousDirExistence(sharedDir, true); // NN0 should come up in the active state when given the -upgrade option, // so no need to transition it to active. assertTrue(fs.mkdirs(new Path("/foo2"))); // Restart NN0 without the -upgrade flag, to make sure that works. cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.REGULAR); cluster.restartNameNode(0, false); // Make sure we can still do FS ops after upgrading. cluster.transitionToActive(0); assertTrue(fs.mkdirs(new Path("/foo3"))); // Make sure that starting the second NN with the -upgrade flag fails. cluster.getNameNodeInfos()[1].setStartOpt(StartupOption.UPGRADE); try { cluster.restartNameNode(1, false); fail("Should not have been able to start second NN with -upgrade"); } catch (IOException ioe) { GenericTestUtils.assertExceptionContains( "It looks like the shared log is already being upgraded", ioe); } } finally { if (fs != null) { fs.close(); } if (cluster != null) { cluster.shutdown(); } } }
Example 7
Source File: TestBookKeeperAsHASharedDir.java From hadoop with Apache License 2.0 | 4 votes |
/** * Use NameNode INTIALIZESHAREDEDITS to initialize the shared edits. i.e. copy * the edits log segments to new bkjm shared edits. * * @throws Exception */ @Test public void testInitializeBKSharedEdits() throws Exception { MiniDFSCluster cluster = null; try { Configuration conf = new Configuration(); HAUtil.setAllowStandbyReads(conf, true); conf.setInt(DFSConfigKeys.DFS_HA_TAILEDITS_PERIOD_KEY, 1); MiniDFSNNTopology topology = MiniDFSNNTopology.simpleHATopology(); cluster = new MiniDFSCluster.Builder(conf).nnTopology(topology) .numDataNodes(0).build(); cluster.waitActive(); // Shutdown and clear the current filebased shared dir. cluster.shutdownNameNodes(); File shareddir = new File(cluster.getSharedEditsDir(0, 1)); assertTrue("Initial Shared edits dir not fully deleted", FileUtil.fullyDelete(shareddir)); // Check namenodes should not start without shared dir. assertCanNotStartNamenode(cluster, 0); assertCanNotStartNamenode(cluster, 1); // Configure bkjm as new shared edits dir in both namenodes Configuration nn1Conf = cluster.getConfiguration(0); Configuration nn2Conf = cluster.getConfiguration(1); nn1Conf.set(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY, BKJMUtil .createJournalURI("/initializeSharedEdits").toString()); nn2Conf.set(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY, BKJMUtil .createJournalURI("/initializeSharedEdits").toString()); BKJMUtil.addJournalManagerDefinition(nn1Conf); BKJMUtil.addJournalManagerDefinition(nn2Conf); // Initialize the BKJM shared edits. assertFalse(NameNode.initializeSharedEdits(nn1Conf)); // NameNode should be able to start and should be in sync with BKJM as // shared dir assertCanStartHANameNodes(cluster, conf, "/testBKJMInitialize"); } finally { if (cluster != null) { cluster.shutdown(); } } }
Example 8
Source File: TestDFSUpgradeWithHA.java From big-c with Apache License 2.0 | 4 votes |
/** * Ensure that an admin cannot finalize an HA upgrade without at least one NN * being active. */ @Test public void testCannotFinalizeIfNoActive() throws IOException, URISyntaxException { MiniDFSCluster cluster = null; FileSystem fs = null; try { cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleHATopology()) .numDataNodes(0) .build(); File sharedDir = new File(cluster.getSharedEditsDir(0, 1)); // No upgrade is in progress at the moment. checkClusterPreviousDirExistence(cluster, false); assertCTimesEqual(cluster); checkPreviousDirExistence(sharedDir, false); // Transition NN0 to active and do some FS ops. cluster.transitionToActive(0); 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); checkPreviousDirExistence(sharedDir, true); // NN0 should come up in the active state when given the -upgrade option, // so no need to transition it to active. assertTrue(fs.mkdirs(new Path("/foo2"))); // Restart NN0 without the -upgrade flag, to make sure that works. cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.REGULAR); cluster.restartNameNode(0, false); // Make sure we can still do FS ops after upgrading. cluster.transitionToActive(0); assertTrue(fs.mkdirs(new Path("/foo3"))); // Now bootstrap the standby with the upgraded info. int rc = BootstrapStandby.run( new String[]{"-force"}, cluster.getConfiguration(1)); assertEquals(0, rc); // Now restart NN1 and make sure that we can do ops against that as well. cluster.restartNameNode(1); cluster.transitionToStandby(0); cluster.transitionToActive(1); assertTrue(fs.mkdirs(new Path("/foo4"))); assertCTimesEqual(cluster); // Now there's no active NN. cluster.transitionToStandby(1); try { runFinalizeCommand(cluster); fail("Should not have been able to finalize upgrade with no NN active"); } catch (IOException ioe) { GenericTestUtils.assertExceptionContains( "Cannot finalize with no NameNode active", ioe); } } finally { if (fs != null) { fs.close(); } if (cluster != null) { cluster.shutdown(); } } }
Example 9
Source File: TestDFSUpgradeWithHA.java From big-c with Apache License 2.0 | 4 votes |
/** * Make sure that an HA NN with NFS-based HA can successfully start and * upgrade. */ @Test public void testNfsUpgrade() throws IOException, URISyntaxException { MiniDFSCluster cluster = null; FileSystem fs = null; try { cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleHATopology()) .numDataNodes(0) .build(); File sharedDir = new File(cluster.getSharedEditsDir(0, 1)); // No upgrade is in progress at the moment. checkClusterPreviousDirExistence(cluster, false); assertCTimesEqual(cluster); checkPreviousDirExistence(sharedDir, false); // Transition NN0 to active and do some FS ops. cluster.transitionToActive(0); 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); checkPreviousDirExistence(sharedDir, true); // NN0 should come up in the active state when given the -upgrade option, // so no need to transition it to active. assertTrue(fs.mkdirs(new Path("/foo2"))); // Restart NN0 without the -upgrade flag, to make sure that works. cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.REGULAR); cluster.restartNameNode(0, false); // Make sure we can still do FS ops after upgrading. cluster.transitionToActive(0); assertTrue(fs.mkdirs(new Path("/foo3"))); // Now bootstrap the standby with the upgraded info. int rc = BootstrapStandby.run( new String[]{"-force"}, cluster.getConfiguration(1)); assertEquals(0, rc); // Now restart NN1 and make sure that we can do ops against that as well. cluster.restartNameNode(1); cluster.transitionToStandby(0); cluster.transitionToActive(1); assertTrue(fs.mkdirs(new Path("/foo4"))); assertCTimesEqual(cluster); } finally { if (fs != null) { fs.close(); } if (cluster != null) { cluster.shutdown(); } } }
Example 10
Source File: TestDFSUpgradeWithHA.java From big-c with Apache License 2.0 | 4 votes |
/** * Test rollback with NFS shared dir. */ @Test public void testRollbackWithNfs() throws Exception { MiniDFSCluster cluster = null; FileSystem fs = null; try { cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleHATopology()) .numDataNodes(0) .build(); File sharedDir = new File(cluster.getSharedEditsDir(0, 1)); // No upgrade is in progress at the moment. checkClusterPreviousDirExistence(cluster, false); assertCTimesEqual(cluster); checkPreviousDirExistence(sharedDir, false); // Transition NN0 to active and do some FS ops. cluster.transitionToActive(0); 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); checkPreviousDirExistence(sharedDir, true); // NN0 should come up in the active state when given the -upgrade option, // so no need to transition it to active. assertTrue(fs.mkdirs(new Path("/foo2"))); // Now bootstrap the standby with the upgraded info. int rc = BootstrapStandby.run( new String[]{"-force"}, cluster.getConfiguration(1)); assertEquals(0, rc); cluster.restartNameNode(1); checkNnPreviousDirExistence(cluster, 0, true); checkNnPreviousDirExistence(cluster, 1, true); checkPreviousDirExistence(sharedDir, true); assertCTimesEqual(cluster); // Now shut down the cluster and do the rollback. Collection<URI> nn1NameDirs = cluster.getNameDirs(0); cluster.shutdown(); conf.setStrings(DFSConfigKeys.DFS_NAMENODE_NAME_DIR_KEY, Joiner.on(",").join(nn1NameDirs)); NameNode.doRollback(conf, false); // The rollback operation should have rolled back the first NN's local // dirs, and the shared dir, but not the other NN's dirs. Those have to be // done by bootstrapping the standby. checkNnPreviousDirExistence(cluster, 0, false); checkPreviousDirExistence(sharedDir, false); } finally { if (fs != null) { fs.close(); } if (cluster != null) { cluster.shutdown(); } } }
Example 11
Source File: TestDFSUpgradeWithHA.java From big-c with Apache License 2.0 | 4 votes |
/** * Make sure that starting a second NN with the -upgrade flag fails if the * other NN has already done that. */ @Test public void testCannotUpgradeSecondNameNode() throws IOException, URISyntaxException { MiniDFSCluster cluster = null; FileSystem fs = null; try { cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleHATopology()) .numDataNodes(0) .build(); File sharedDir = new File(cluster.getSharedEditsDir(0, 1)); // No upgrade is in progress at the moment. checkClusterPreviousDirExistence(cluster, false); assertCTimesEqual(cluster); checkPreviousDirExistence(sharedDir, false); // Transition NN0 to active and do some FS ops. cluster.transitionToActive(0); 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); checkPreviousDirExistence(sharedDir, true); // NN0 should come up in the active state when given the -upgrade option, // so no need to transition it to active. assertTrue(fs.mkdirs(new Path("/foo2"))); // Restart NN0 without the -upgrade flag, to make sure that works. cluster.getNameNodeInfos()[0].setStartOpt(StartupOption.REGULAR); cluster.restartNameNode(0, false); // Make sure we can still do FS ops after upgrading. cluster.transitionToActive(0); assertTrue(fs.mkdirs(new Path("/foo3"))); // Make sure that starting the second NN with the -upgrade flag fails. cluster.getNameNodeInfos()[1].setStartOpt(StartupOption.UPGRADE); try { cluster.restartNameNode(1, false); fail("Should not have been able to start second NN with -upgrade"); } catch (IOException ioe) { GenericTestUtils.assertExceptionContains( "It looks like the shared log is already being upgraded", ioe); } } finally { if (fs != null) { fs.close(); } if (cluster != null) { cluster.shutdown(); } } }
Example 12
Source File: TestBookKeeperAsHASharedDir.java From big-c with Apache License 2.0 | 4 votes |
/** * Use NameNode INTIALIZESHAREDEDITS to initialize the shared edits. i.e. copy * the edits log segments to new bkjm shared edits. * * @throws Exception */ @Test public void testInitializeBKSharedEdits() throws Exception { MiniDFSCluster cluster = null; try { Configuration conf = new Configuration(); HAUtil.setAllowStandbyReads(conf, true); conf.setInt(DFSConfigKeys.DFS_HA_TAILEDITS_PERIOD_KEY, 1); MiniDFSNNTopology topology = MiniDFSNNTopology.simpleHATopology(); cluster = new MiniDFSCluster.Builder(conf).nnTopology(topology) .numDataNodes(0).build(); cluster.waitActive(); // Shutdown and clear the current filebased shared dir. cluster.shutdownNameNodes(); File shareddir = new File(cluster.getSharedEditsDir(0, 1)); assertTrue("Initial Shared edits dir not fully deleted", FileUtil.fullyDelete(shareddir)); // Check namenodes should not start without shared dir. assertCanNotStartNamenode(cluster, 0); assertCanNotStartNamenode(cluster, 1); // Configure bkjm as new shared edits dir in both namenodes Configuration nn1Conf = cluster.getConfiguration(0); Configuration nn2Conf = cluster.getConfiguration(1); nn1Conf.set(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY, BKJMUtil .createJournalURI("/initializeSharedEdits").toString()); nn2Conf.set(DFSConfigKeys.DFS_NAMENODE_SHARED_EDITS_DIR_KEY, BKJMUtil .createJournalURI("/initializeSharedEdits").toString()); BKJMUtil.addJournalManagerDefinition(nn1Conf); BKJMUtil.addJournalManagerDefinition(nn2Conf); // Initialize the BKJM shared edits. assertFalse(NameNode.initializeSharedEdits(nn1Conf)); // NameNode should be able to start and should be in sync with BKJM as // shared dir assertCanStartHANameNodes(cluster, conf, "/testBKJMInitialize"); } finally { if (cluster != null) { cluster.shutdown(); } } }