Examples with HColumnDescriptor org.apache.hadoop.hbase.HColumnDescriptor used on opensource projects

Example 36 with HColumnDescriptor

use of org.apache.hadoop.hbase.HColumnDescriptor in project hbase by apache.

the class TestCoprocessorMetrics method testRegionObserverAfterRegionClosed.

@Test
public void testRegionObserverAfterRegionClosed() throws IOException {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    try (Connection connection = ConnectionFactory.createConnection(UTIL.getConfiguration());
        Admin admin = connection.getAdmin()) {
        admin.createTable(new HTableDescriptor(tableName).addFamily(new HColumnDescriptor(foo)).addCoprocessor(CustomRegionObserver.class.getName()), // create with 2 regions
        new byte[][] { foo });
        try (Table table = connection.getTable(tableName)) {
            table.get(new Get(foo));
            // 2 gets
            table.get(new Get(foo));
        }
        assertPreGetRequestsCounter(CustomRegionObserver.class);
        // close one of the regions
        try (RegionLocator locator = connection.getRegionLocator(tableName)) {
            HRegionLocation loc = locator.getRegionLocation(foo);
            admin.closeRegion(loc.getServerName(), loc.getRegionInfo());
            HRegionServer server = UTIL.getMiniHBaseCluster().getRegionServer(loc.getServerName());
            UTIL.waitFor(30000, () -> server.getOnlineRegion(loc.getRegionInfo().getRegionName()) == null);
            assertNull(server.getOnlineRegion(loc.getRegionInfo().getRegionName()));
        }
        // with only 1 region remaining, we should still be able to find the Counter
        assertPreGetRequestsCounter(CustomRegionObserver.class);
        // close the table
        admin.disableTable(tableName);
        MetricRegistryInfo info = MetricsCoprocessor.createRegistryInfoForRegionCoprocessor(CustomRegionObserver.class.getName());
        // ensure that MetricRegistry is deleted
        Optional<MetricRegistry> registry = MetricRegistries.global().get(info);
        assertFalse(registry.isPresent());
    }
}

Example 37 with HColumnDescriptor

use of org.apache.hadoop.hbase.HColumnDescriptor in project hbase by apache.

the class TestCoprocessorMetrics method testRegionObserverMultiTable.

@Test
public void testRegionObserverMultiTable() throws IOException {
    final TableName tableName1 = TableName.valueOf(name.getMethodName() + "1");
    final TableName tableName2 = TableName.valueOf(name.getMethodName() + "2");
    try (Connection connection = ConnectionFactory.createConnection(UTIL.getConfiguration());
        Admin admin = connection.getAdmin()) {
        admin.createTable(new HTableDescriptor(tableName1).addFamily(new HColumnDescriptor(foo)).addCoprocessor(CustomRegionObserver.class.getName()));
        admin.createTable(new HTableDescriptor(tableName2).addFamily(new HColumnDescriptor(foo)).addCoprocessor(CustomRegionObserver.class.getName()));
        try (Table table1 = connection.getTable(tableName1);
            Table table2 = connection.getTable(tableName2)) {
            table1.get(new Get(bar));
            // 2 gets to 2 separate tables
            table2.get(new Get(foo));
        }
    }
    assertPreGetRequestsCounter(CustomRegionObserver.class);
}

Example 38 with HColumnDescriptor

use of org.apache.hadoop.hbase.HColumnDescriptor in project hbase by apache.

the class TestCoprocessorMetrics method testRegionObserverMultiRegion.

@Test
public void testRegionObserverMultiRegion() throws IOException {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    try (Connection connection = ConnectionFactory.createConnection(UTIL.getConfiguration());
        Admin admin = connection.getAdmin()) {
        admin.createTable(new HTableDescriptor(tableName).addFamily(new HColumnDescriptor(foo)).addCoprocessor(CustomRegionObserver.class.getName()), // create with 2 regions
        new byte[][] { foo });
        try (Table table = connection.getTable(tableName);
            RegionLocator locator = connection.getRegionLocator(tableName)) {
            table.get(new Get(bar));
            // 2 gets to 2 separate regions
            table.get(new Get(foo));
            assertEquals(2, locator.getAllRegionLocations().size());
            assertNotEquals(locator.getRegionLocation(bar).getRegionInfo(), locator.getRegionLocation(foo).getRegionInfo());
        }
    }
    assertPreGetRequestsCounter(CustomRegionObserver.class);
}

Example 39 with HColumnDescriptor

use of org.apache.hadoop.hbase.HColumnDescriptor in project hbase by apache.

the class TestSnapshotMetadata method runRestoreWithAdditionalMetadata.

private void runRestoreWithAdditionalMetadata(boolean changeMetadata, boolean addData) throws Exception {
    if (admin.isTableDisabled(originalTableName)) {
        admin.enableTable(originalTableName);
    }
    // populate it with data
    final byte[] familyForUpdate = BLOCKSIZE_FAM;
    List<byte[]> familiesWithDataList = new ArrayList<>();
    List<byte[]> emptyFamiliesList = new ArrayList<>();
    if (addData) {
        Table original = UTIL.getConnection().getTable(originalTableName);
        // family arbitrarily chosen
        UTIL.loadTable(original, familyForUpdate);
        original.close();
        for (byte[] family : families) {
            if (family != familyForUpdate) {
                emptyFamiliesList.add(family);
            }
        }
        familiesWithDataList.add(familyForUpdate);
    } else {
        Collections.addAll(emptyFamiliesList, families);
    }
    // take a "disabled" snapshot
    final String snapshotNameAsString = "snapshot" + originalTableName + System.currentTimeMillis();
    final byte[] snapshotName = Bytes.toBytes(snapshotNameAsString);
    SnapshotTestingUtils.createSnapshotAndValidate(admin, originalTableName, familiesWithDataList, emptyFamiliesList, snapshotNameAsString, rootDir, fs, /* onlineSnapshot= */
    false);
    admin.enableTable(originalTableName);
    if (changeMetadata) {
        final String newFamilyNameAsString = "newFamily" + System.currentTimeMillis();
        final byte[] newFamilyName = Bytes.toBytes(newFamilyNameAsString);
        admin.disableTable(originalTableName);
        HColumnDescriptor hcd = new HColumnDescriptor(newFamilyName);
        admin.addColumnFamily(originalTableName, hcd);
        assertTrue("New column family was not added.", admin.getTableDescriptor(originalTableName).toString().contains(newFamilyNameAsString));
    }
    // restore it
    if (!admin.isTableDisabled(originalTableName)) {
        admin.disableTable(originalTableName);
    }
    admin.restoreSnapshot(snapshotName);
    admin.enableTable(originalTableName);
    // verify that the descrption is reverted
    Table original = UTIL.getConnection().getTable(originalTableName);
    try {
        assertTrue(originalTableDescriptor.equals(admin.getTableDescriptor(originalTableName)));
        assertTrue(originalTableDescriptor.equals(original.getTableDescriptor()));
    } finally {
        original.close();
    }
}

Example 40 with HColumnDescriptor

use of org.apache.hadoop.hbase.HColumnDescriptor in project hbase by apache.

the class TestReplicationAdminWithClusters method testEnableReplicationWhenReplicationNotEnabled.

@Test(timeout = 300000)
public void testEnableReplicationWhenReplicationNotEnabled() throws Exception {
    HTableDescriptor table = admin1.getTableDescriptor(tableName);
    for (HColumnDescriptor fam : table.getColumnFamilies()) {
        fam.setScope(HConstants.REPLICATION_SCOPE_LOCAL);
    }
    admin1.disableTable(tableName);
    admin1.modifyTable(tableName, table);
    admin1.enableTable(tableName);
    admin2.disableTable(tableName);
    admin2.modifyTable(tableName, table);
    admin2.enableTable(tableName);
    admin1.enableTableReplication(tableName);
    table = admin1.getTableDescriptor(tableName);
    for (HColumnDescriptor fam : table.getColumnFamilies()) {
        assertEquals(fam.getScope(), HConstants.REPLICATION_SCOPE_GLOBAL);
    }
}