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

Example 6 with HTableDescriptor

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

the class TestRSGroups method testDefaultNamespaceCreateAndAssign.

@Test
public void testDefaultNamespaceCreateAndAssign() throws Exception {
    LOG.info("testDefaultNamespaceCreateAndAssign");
    final byte[] tableName = Bytes.toBytes(tablePrefix + "_testCreateAndAssign");
    admin.modifyNamespace(NamespaceDescriptor.create("default").addConfiguration(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP, "default").build());
    final HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor("f"));
    admin.createTable(desc);
    //wait for created table to be assigned
    TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {

        @Override
        public boolean evaluate() throws Exception {
            return getTableRegionMap().get(desc.getTableName()) != null;
        }
    });
}

Example 7 with HTableDescriptor

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

the class TestRSGroups method testNamespaceCreateAndAssign.

@Test
public void testNamespaceCreateAndAssign() throws Exception {
    LOG.info("testNamespaceCreateAndAssign");
    String nsName = tablePrefix + "_foo";
    final TableName tableName = TableName.valueOf(nsName, tablePrefix + "_testCreateAndAssign");
    RSGroupInfo appInfo = addGroup("appInfo", 1);
    admin.createNamespace(NamespaceDescriptor.create(nsName).addConfiguration(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP, "appInfo").build());
    final HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor("f"));
    admin.createTable(desc);
    //wait for created table to be assigned
    TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {

        @Override
        public boolean evaluate() throws Exception {
            return getTableRegionMap().get(desc.getTableName()) != null;
        }
    });
    ServerName targetServer = ServerName.parseServerName(appInfo.getServers().iterator().next().toString());
    AdminProtos.AdminService.BlockingInterface rs = ((ClusterConnection) admin.getConnection()).getAdmin(targetServer);
    //verify it was assigned to the right group
    Assert.assertEquals(1, ProtobufUtil.getOnlineRegions(rs).size());
}

Example 8 with HTableDescriptor

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

the class TestRSGroupsBase method testKillRS.

@Test
public void testKillRS() throws Exception {
    RSGroupInfo appInfo = addGroup("appInfo", 1);
    final TableName tableName = TableName.valueOf(tablePrefix + "_ns", name.getMethodName());
    admin.createNamespace(NamespaceDescriptor.create(tableName.getNamespaceAsString()).addConfiguration(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP, appInfo.getName()).build());
    final HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor("f"));
    admin.createTable(desc);
    //wait for created table to be assigned
    TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {

        @Override
        public boolean evaluate() throws Exception {
            return getTableRegionMap().get(desc.getTableName()) != null;
        }
    });
    ServerName targetServer = ServerName.parseServerName(appInfo.getServers().iterator().next().toString());
    AdminProtos.AdminService.BlockingInterface targetRS = ((ClusterConnection) admin.getConnection()).getAdmin(targetServer);
    HRegionInfo targetRegion = ProtobufUtil.getOnlineRegions(targetRS).get(0);
    Assert.assertEquals(1, ProtobufUtil.getOnlineRegions(targetRS).size());
    try {
        //stopping may cause an exception
        //due to the connection loss
        targetRS.stopServer(null, AdminProtos.StopServerRequest.newBuilder().setReason("Die").build());
    } catch (Exception e) {
    }
    assertFalse(cluster.getClusterStatus().getServers().contains(targetServer));
    //wait for created table to be assigned
    TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {

        @Override
        public boolean evaluate() throws Exception {
            return cluster.getClusterStatus().getRegionsInTransition().isEmpty();
        }
    });
    Set<Address> newServers = Sets.newHashSet();
    newServers.add(rsGroupAdmin.getRSGroupInfo(RSGroupInfo.DEFAULT_GROUP).getServers().iterator().next());
    rsGroupAdmin.moveServers(newServers, appInfo.getName());
    //Make sure all the table's regions get reassigned
    //disabling the table guarantees no conflicting assign/unassign (ie SSH) happens
    admin.disableTable(tableName);
    admin.enableTable(tableName);
    //wait for region to be assigned
    TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate<Exception>() {

        @Override
        public boolean evaluate() throws Exception {
            return cluster.getClusterStatus().getRegionsInTransition().isEmpty();
        }
    });
    targetServer = ServerName.parseServerName(newServers.iterator().next().toString());
    targetRS = ((ClusterConnection) admin.getConnection()).getAdmin(targetServer);
    Assert.assertEquals(1, ProtobufUtil.getOnlineRegions(targetRS).size());
    Assert.assertEquals(tableName, ProtobufUtil.getOnlineRegions(targetRS).get(0).getTable());
}

Example 9 with HTableDescriptor

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

the class MasterRpcServices method getTableDescriptors.

/**
   * Get list of TableDescriptors for requested tables.
   * @param c Unused (set to null).
   * @param req GetTableDescriptorsRequest that contains:
   * - tableNames: requested tables, or if empty, all are requested
   * @return GetTableDescriptorsResponse
   * @throws ServiceException
   */
@Override
public GetTableDescriptorsResponse getTableDescriptors(RpcController c, GetTableDescriptorsRequest req) throws ServiceException {
    try {
        master.checkInitialized();
        final String regex = req.hasRegex() ? req.getRegex() : null;
        final String namespace = req.hasNamespace() ? req.getNamespace() : null;
        List<TableName> tableNameList = null;
        if (req.getTableNamesCount() > 0) {
            tableNameList = new ArrayList<TableName>(req.getTableNamesCount());
            for (HBaseProtos.TableName tableNamePB : req.getTableNamesList()) {
                tableNameList.add(ProtobufUtil.toTableName(tableNamePB));
            }
        }
        List<HTableDescriptor> descriptors = master.listTableDescriptors(namespace, regex, tableNameList, req.getIncludeSysTables());
        GetTableDescriptorsResponse.Builder builder = GetTableDescriptorsResponse.newBuilder();
        if (descriptors != null && descriptors.size() > 0) {
            // Add the table descriptors to the response
            for (HTableDescriptor htd : descriptors) {
                builder.addTableSchema(ProtobufUtil.convertToTableSchema(htd));
            }
        }
        return builder.build();
    } catch (IOException ioe) {
        throw new ServiceException(ioe);
    }
}

Example 10 with HTableDescriptor

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

the class HMaster method listTableNames.

/**
   * Returns the list of table names that match the specified request
   * @param regex The regular expression to match against, or null if querying for all
   * @param namespace the namespace to query, or null if querying for all
   * @param includeSysTables False to match only against userspace tables
   * @return the list of table names
   */
public List<TableName> listTableNames(final String namespace, final String regex, final boolean includeSysTables) throws IOException {
    List<HTableDescriptor> htds = new ArrayList<>();
    boolean bypass = cpHost != null ? cpHost.preGetTableNames(htds, regex) : false;
    if (!bypass) {
        htds = getTableDescriptors(htds, namespace, regex, null, includeSysTables);
        if (cpHost != null)
            cpHost.postGetTableNames(htds, regex);
    }
    List<TableName> result = new ArrayList<>(htds.size());
    for (HTableDescriptor htd : htds) result.add(htd.getTableName());
    return result;
}