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

Example 16 with HTableDescriptor

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

the class ProtobufUtil method convertToHTableDesc.

/**
   * Converts a TableSchema to HTableDescriptor
   * @param ts A pb TableSchema instance.
   * @return An {@link HTableDescriptor} made from the passed in pb <code>ts</code>.
   */
public static HTableDescriptor convertToHTableDesc(final TableSchema ts) {
    List<ColumnFamilySchema> list = ts.getColumnFamiliesList();
    HColumnDescriptor[] hcds = new HColumnDescriptor[list.size()];
    int index = 0;
    for (ColumnFamilySchema cfs : list) {
        hcds[index++] = ProtobufUtil.convertToHColumnDesc(cfs);
    }
    HTableDescriptor htd = new HTableDescriptor(ProtobufUtil.toTableName(ts.getTableName()));
    for (HColumnDescriptor hcd : hcds) {
        htd.addFamily(hcd);
    }
    for (BytesBytesPair a : ts.getAttributesList()) {
        htd.setValue(a.getFirst().toByteArray(), a.getSecond().toByteArray());
    }
    for (NameStringPair a : ts.getConfigurationList()) {
        htd.setConfiguration(a.getName(), a.getValue());
    }
    return htd;
}

Example 17 with HTableDescriptor

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

the class IntegrationTestBulkLoad method installSlowingCoproc.

/**
   * Modify table {@code getTableName()} to carry {@link SlowMeCoproScanOperations}.
   */
private void installSlowingCoproc() throws IOException, InterruptedException {
    int replicaCount = conf.getInt(NUM_REPLICA_COUNT_KEY, NUM_REPLICA_COUNT_DEFAULT);
    if (replicaCount == NUM_REPLICA_COUNT_DEFAULT)
        return;
    TableName t = getTablename();
    Admin admin = util.getAdmin();
    HTableDescriptor desc = admin.getTableDescriptor(t);
    desc.addCoprocessor(SlowMeCoproScanOperations.class.getName());
    HBaseTestingUtility.modifyTableSync(admin, desc);
}

Example 18 with HTableDescriptor

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

the class IntegrationTestMTTR method setupTables.

private static void setupTables() throws IOException {
    // Get the table name.
    tableName = TableName.valueOf(util.getConfiguration().get("hbase.IntegrationTestMTTR.tableName", "IntegrationTestMTTR"));
    loadTableName = TableName.valueOf(util.getConfiguration().get("hbase.IntegrationTestMTTR.loadTableName", "IntegrationTestMTTRLoadTestTool"));
    if (util.getAdmin().tableExists(tableName)) {
        util.deleteTable(tableName);
    }
    if (util.getAdmin().tableExists(loadTableName)) {
        util.deleteTable(loadTableName);
    }
    // Create the table.  If this fails then fail everything.
    HTableDescriptor tableDescriptor = new HTableDescriptor(tableName);
    // Make the max file size huge so that splits don't happen during the test.
    tableDescriptor.setMaxFileSize(Long.MAX_VALUE);
    HColumnDescriptor descriptor = new HColumnDescriptor(FAMILY);
    descriptor.setMaxVersions(1);
    tableDescriptor.addFamily(descriptor);
    util.getAdmin().createTable(tableDescriptor);
    // Setup the table for LoadTestTool
    int ret = loadTool.run(new String[] { "-tn", loadTableName.getNameAsString(), "-init_only" });
    assertEquals("Failed to initialize LoadTestTool", 0, ret);
}

Example 19 with HTableDescriptor

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

the class DecreaseMaxHFileSizeAction method perform.

@Override
public void perform() throws Exception {
    HBaseTestingUtility util = context.getHBaseIntegrationTestingUtility();
    Admin admin = util.getAdmin();
    HTableDescriptor htd = admin.getTableDescriptor(tableName);
    // Try and get the current value.
    long currentValue = htd.getMaxFileSize();
    // That's ok. We're trying to cause chaos.
    if (currentValue <= 0) {
        currentValue = context.getHBaseCluster().getConf().getLong(HConstants.HREGION_MAX_FILESIZE, HConstants.DEFAULT_MAX_FILE_SIZE);
    }
    // Decrease by 10% at a time.
    long newValue = (long) (currentValue * 0.9);
    // We don't want to go too far below 1gb.
    // So go to about 1gb +/- 512 on each side.
    newValue = Math.max(minFileSize, newValue) - (512 - random.nextInt(1024));
    // Change the table descriptor.
    htd.setMaxFileSize(newValue);
    // Don't try the modify if we're stopping
    if (context.isStopping()) {
        return;
    }
    // modify the table.
    admin.modifyTable(tableName, htd);
    // Sleep some time.
    if (sleepTime > 0) {
        Thread.sleep(sleepTime);
    }
}

Example 20 with HTableDescriptor

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

the class RemoveColumnAction method perform.

@Override
public void perform() throws Exception {
    HTableDescriptor tableDescriptor = admin.getTableDescriptor(tableName);
    HColumnDescriptor[] columnDescriptors = tableDescriptor.getColumnFamilies();
    if (columnDescriptors.length <= (protectedColumns == null ? 1 : protectedColumns.size())) {
        return;
    }
    int index = random.nextInt(columnDescriptors.length);
    while (protectedColumns != null && protectedColumns.contains(columnDescriptors[index].getNameAsString())) {
        index = random.nextInt(columnDescriptors.length);
    }
    byte[] colDescName = columnDescriptors[index].getName();
    LOG.debug("Performing action: Removing " + Bytes.toString(colDescName) + " from " + tableName.getNameAsString());
    tableDescriptor.removeFamily(colDescName);
    // Don't try the modify if we're stopping
    if (context.isStopping()) {
        return;
    }
    admin.modifyTable(tableName, tableDescriptor);
}