Package org.apache.hadoop.hbase.client

Examples of org.apache.hadoop.hbase.client.Admin

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    HTableDescriptor htd1 = new HTableDescriptor(TableName.valueOf(TEST_TABLE1));
    htd1.addFamily(new HColumnDescriptor(TEST_FAMILY1));

    boolean threwDNRE = false;
    try {
      Admin admin = UTIL.getHBaseAdmin();
      admin.createTable(htd1);
    } catch (IOException e) {
      if (e.getClass().getName().equals("org.apache.hadoop.hbase.DoNotRetryIOException")) {
        threwDNRE = true;
      }
    } finally {
      assertTrue(threwDNRE);
    }

    // wait for a few seconds to make sure that the Master hasn't aborted.
    try {
      Thread.sleep(3000);
    } catch (InterruptedException e) {
      fail("InterruptedException while sleeping.");
    }

    assertFalse("Master survived coprocessor NPE, as expected.",
        masterTracker.masterZKNodeWasDeleted);

    String loadedCoprocessors = HMaster.getLoadedCoprocessors();
    assertTrue(loadedCoprocessors.contains(coprocessorName));

    // Verify that BuggyMasterObserver has been removed due to its misbehavior
    // by creating another table: should not have a problem this time.
    HTableDescriptor htd2 = new HTableDescriptor(TableName.valueOf(TEST_TABLE2));
    htd2.addFamily(new HColumnDescriptor(TEST_FAMILY2));
    Admin admin = UTIL.getHBaseAdmin();
    try {
      admin.createTable(htd2);
    } catch (IOException e) {
      fail("Failed to create table after buggy coprocessor removal: " + e);
    }
  }
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      RegionServerObserver.class);

    // Start the cluster
    HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(conf);
    TEST_UTIL.startMiniCluster(NUM_MASTERS, NUM_RS);
    Admin admin = new HBaseAdmin(conf);
    try {
      MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
      HRegionServer regionServer = cluster.getRegionServer(0);
      RegionServerCoprocessorHost cpHost = regionServer.getRegionServerCoprocessorHost();
      Coprocessor coprocessor = cpHost.findCoprocessor(CPRegionServerObserver.class.getName());
      CPRegionServerObserver regionServerObserver = (CPRegionServerObserver) coprocessor;
      HTableDescriptor desc = new HTableDescriptor(TableName.valueOf(TABLENAME));
      desc.addFamily(new HColumnDescriptor(FAM));
      admin.createTable(desc, new byte[][] { Bytes.toBytes("row") });
      desc = new HTableDescriptor(TableName.valueOf(TABLENAME2));
      desc.addFamily(new HColumnDescriptor(FAM));
      admin.createTable(desc, new byte[][] { Bytes.toBytes("row") });
      assertFalse(regionServerObserver.wasRegionMergeCalled());
      List<HRegion> regions = regionServer.getOnlineRegions(TableName.valueOf(TABLENAME));
      admin.mergeRegions(regions.get(0).getRegionInfo().getEncodedNameAsBytes(), regions.get(1)
          .getRegionInfo().getEncodedNameAsBytes(), true);
      int regionsCount = regionServer.getOnlineRegions(TableName.valueOf(TABLENAME)).size();
      while (regionsCount != 1) {
        regionsCount = regionServer.getOnlineRegions(TableName.valueOf(TABLENAME)).size();
        Thread.sleep(1000);
      }
      assertTrue(regionServerObserver.wasRegionMergeCalled());
      assertTrue(regionServerObserver.wasPreMergeCommit());
      assertTrue(regionServerObserver.wasPostMergeCommit());
      assertEquals(regionsCount, 1);
      assertEquals(regionServer.getOnlineRegions(TableName.valueOf(TABLENAME2)).size(), 1);
    } finally {
      if (admin != null) admin.close();
      TEST_UTIL.shutdownMiniCluster();
    }
  }
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    desc.addFamily(new HColumnDescriptor(A));
    desc.addCoprocessor(EmptyRegionObsever.class.getName(), null, Coprocessor.PRIORITY_USER, null);
    desc.addCoprocessor(NoDataFromCompaction.class.getName(), null, Coprocessor.PRIORITY_HIGHEST,
      null);

    Admin admin = UTIL.getHBaseAdmin();
    admin.createTable(desc);

    Table table = new HTable(conf, desc.getTableName());

    // put a row and flush it to disk
    Put put = new Put(ROW);
    put.add(A, A, A);
    table.put(put);
    table.flushCommits();

    HRegionServer rs = UTIL.getRSForFirstRegionInTable(desc.getTableName());
    List<HRegion> regions = rs.getOnlineRegions(desc.getTableName());
    assertEquals("More than 1 region serving test table with 1 row", 1, regions.size());
    HRegion region = regions.get(0);
    admin.flushRegion(region.getRegionName());
    CountDownLatch latch = ((CompactionCompletionNotifyingRegion)region)
        .getCompactionStateChangeLatch();

    // put another row and flush that too
    put = new Put(Bytes.toBytes("anotherrow"));
    put.add(A, A, A);
    table.put(put);
    table.flushCommits();
    admin.flushRegion(region.getRegionName());

    // run a compaction, which normally would should get rid of the data
    // wait for the compaction checker to complete
    latch.await();
    // check both rows to ensure that they aren't there
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    cp.resetStates();

    // create a table
    HTableDescriptor htd = new HTableDescriptor(TEST_TABLE);
    htd.addFamily(new HColumnDescriptor(TEST_FAMILY));
    Admin admin = UTIL.getHBaseAdmin();

    tableCreationLatch = new CountDownLatch(1);
    admin.createTable(htd);
    tableCreationLatch.await();
    tableCreationLatch = new CountDownLatch(1);

    admin.disableTable(TEST_TABLE);
    assertTrue(admin.isTableDisabled(TEST_TABLE));

    try {
      // Test snapshot operation
      assertFalse("Coprocessor should not have been called yet",
        cp.wasSnapshotCalled());
      admin.snapshot(TEST_SNAPSHOT, TEST_TABLE);
      assertTrue("Coprocessor should have been called on snapshot",
        cp.wasSnapshotCalled());

      // Test clone operation
      admin.cloneSnapshot(TEST_SNAPSHOT, TEST_CLONE);
      assertTrue("Coprocessor should have been called on snapshot clone",
        cp.wasCloneSnapshotCalled());
      assertFalse("Coprocessor restore should not have been called on snapshot clone",
        cp.wasRestoreSnapshotCalled());
      admin.disableTable(TEST_CLONE);
      assertTrue(admin.isTableDisabled(TEST_TABLE));
      admin.deleteTable(TEST_CLONE);

      // Test restore operation
      cp.resetStates();
      admin.restoreSnapshot(TEST_SNAPSHOT);
      assertTrue("Coprocessor should have been called on snapshot restore",
        cp.wasRestoreSnapshotCalled());
      assertFalse("Coprocessor clone should not have been called on snapshot restore",
        cp.wasCloneSnapshotCalled());

      admin.deleteSnapshot(TEST_SNAPSHOT);
      assertTrue("Coprocessor should have been called on snapshot delete",
        cp.wasDeleteSnapshotCalled());
    } finally {
      admin.deleteTable(TEST_TABLE);
    }
  }
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    cp.enableBypass(false);
    cp.resetStates();


    // create a table
    Admin admin = UTIL.getHBaseAdmin();
    admin.createNamespace(NamespaceDescriptor.create(testNamespace).build());
    assertTrue("Test namespace should be created", cp.wasCreateNamespaceCalled());

    assertNotNull(admin.getNamespaceDescriptor(testNamespace));

    // turn off bypass, run the tests again
    cp.enableBypass(true);
    cp.resetStates();

    admin.modifyNamespace(NamespaceDescriptor.create(testNamespace).build());
    assertTrue("Test namespace should not have been modified",
        cp.preModifyNamespaceCalledOnly());

    assertNotNull(admin.getNamespaceDescriptor(testNamespace));

    admin.deleteNamespace(testNamespace);
    assertTrue("Test namespace should not have been deleted", cp.preDeleteNamespaceCalledOnly());

    assertNotNull(admin.getNamespaceDescriptor(testNamespace));

    cp.enableBypass(false);
    cp.resetStates();

    // delete table
    admin.modifyNamespace(NamespaceDescriptor.create(testNamespace).build());
    assertTrue("Test namespace should have been modified", cp.wasModifyNamespaceCalled());

    admin.deleteNamespace(testNamespace);
    assertTrue("Test namespace should have been deleted", cp.wasDeleteNamespaceCalled());

    cp.enableBypass(true);
    cp.resetStates();

    admin.createNamespace(NamespaceDescriptor.create(testNamespace).build());
    assertTrue("Test namespace should not be created", cp.preCreateNamespaceCalledOnly());
  }
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  @Test
  public void testVisibilityLabelsWithDeleteFamilyWithPutsReAppearing() throws Exception {
    TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    Table table = null;
    try {
      Admin hBaseAdmin = TEST_UTIL.getHBaseAdmin();
      HColumnDescriptor colDesc = new HColumnDescriptor(fam);
      colDesc.setMaxVersions(5);
      HTableDescriptor desc = new HTableDescriptor(tableName);
      desc.addFamily(colDesc);
      hBaseAdmin.createTable(desc);
      table = new HTable(conf, tableName);
      Put put = new Put(Bytes.toBytes("row1"));
      put.add(fam, qual, value);
      put.setCellVisibility(new CellVisibility(CONFIDENTIAL));
      table.put(put);
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  @Test
  public void testVisibilityLabelsWithDeleteColumnsWithPutsReAppearing() throws Exception {
    TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    Table table = null;
    try {
      Admin hBaseAdmin = TEST_UTIL.getHBaseAdmin();
      HColumnDescriptor colDesc = new HColumnDescriptor(fam);
      colDesc.setMaxVersions(5);
      HTableDescriptor desc = new HTableDescriptor(tableName);
      desc.addFamily(colDesc);
      hBaseAdmin.createTable(desc);
      table = new HTable(conf, tableName);
      Put put = new Put(Bytes.toBytes("row1"));
      put.add(fam, qual, value);
      put.setCellVisibility(new CellVisibility(CONFIDENTIAL));
      table.put(put);
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  @Test
  public void testVisibilityCombinations() throws Exception {
    TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    Table table = null;
    try {
      Admin hBaseAdmin = TEST_UTIL.getHBaseAdmin();
      HColumnDescriptor colDesc = new HColumnDescriptor(fam);
      colDesc.setMaxVersions(5);
      HTableDescriptor desc = new HTableDescriptor(tableName);
      desc.addFamily(colDesc);
      hBaseAdmin.createTable(desc);
      table = new HTable(conf, tableName);
      Put put = new Put(Bytes.toBytes("row1"));
      put.add(fam, qual, 123l, value);
      put.setCellVisibility(new CellVisibility(CONFIDENTIAL));
      table.put(put);
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  public void testVisibilityLabelsWithDeleteColumnWithSpecificVersionWithPutsReAppearing()
      throws Exception {
    TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    Table table = null;
    try {
      Admin hBaseAdmin = TEST_UTIL.getHBaseAdmin();
      HColumnDescriptor colDesc = new HColumnDescriptor(fam);
      colDesc.setMaxVersions(5);
      HTableDescriptor desc = new HTableDescriptor(tableName);
      desc.addFamily(colDesc);
      hBaseAdmin.createTable(desc);
      table = new HTable(conf, tableName);
      Put put = new Put(Bytes.toBytes("row1"));
      put.add(fam, qual, 123l, value);
      put.setCellVisibility(new CellVisibility(CONFIDENTIAL));
      table.put(put);
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  }

  private Table doPuts(TableName tableName) throws IOException, InterruptedIOException,
      RetriesExhaustedWithDetailsException, InterruptedException {
    Table table;
    Admin hBaseAdmin = TEST_UTIL.getHBaseAdmin();
    HColumnDescriptor colDesc = new HColumnDescriptor(fam);
    colDesc.setMaxVersions(5);
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(colDesc);
    hBaseAdmin.createTable(desc);
    table = new HTable(conf, tableName);
    Put put = new Put(Bytes.toBytes("row1"));
    put.add(fam, qual, 123l, value);
    put.setCellVisibility(new CellVisibility(CONFIDENTIAL));
    table.put(put);
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Related Classes of org.apache.hadoop.hbase.client.Admin

  • org.apache.hadoop.hbase.backup.TestHFileArchiving
  • org.apache.hadoop.hbase.chaos.actions.Action
  • org.apache.hadoop.hbase.chaos.actions.ChangeBloomFilterAction
  • org.apache.hadoop.hbase.chaos.actions.CompactRandomRegionOfTableAction
  • org.apache.hadoop.hbase.chaos.actions.FlushRandomRegionOfTableAction
  • org.apache.hadoop.hbase.chaos.actions.FlushTableAction
  • org.apache.hadoop.hbase.chaos.actions.MergeRandomAdjacentRegionsOfTableAction
  • org.apache.hadoop.hbase.chaos.actions.MoveRandomRegionOfTableAction
  • org.apache.hadoop.hbase.chaos.actions.MoveRegionsOfTableAction
  • org.apache.hadoop.hbase.chaos.actions.SnapshotTableAction
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