Once the config changes are applied, proceed to restart **Hadoop** services.

![hdfs-services](https://github.com/minio/minio/blob/master/docs/bigdata/images/image7.png?raw=true "hdfs restart services")

### **3.2 Configure Spark2**

Navigate to **Services** -> **Spark2** -> **CONFIGS** as shown below

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services;

import java.util.Collection;

import org.apache.maven.api.ProducedArtifact;
import org.apache.maven.api.RemoteRepository;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Experimental;

 */

package gradlebuild.basics

import org.gradle.api.file.DirectoryProperty
import org.gradle.api.provider.Provider
import org.gradle.api.provider.ProviderFactory
import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import org.gradle.internal.os.OperatingSystem
import javax.inject.Inject


abstract class BuildEnvironmentService : BuildService<BuildEnvironmentService.Parameters> {

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services;

import java.util.Collection;
import java.util.List;

import org.apache.maven.api.ArtifactCoordinates;
import org.apache.maven.api.RemoteRepository;
import org.apache.maven.api.Session;

import java.util.stream.Collectors;

import org.apache.maven.api.JavaPathType;
import org.apache.maven.api.Type;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.services.LanguageRegistry;
import org.apache.maven.api.services.TypeRegistry;
import org.apache.maven.api.spi.TypeProvider;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.handler.manager.LegacyArtifactHandlerManager;

import org.gradle.api.file.DirectoryProperty
import org.gradle.api.file.FileSystemOperations
import org.gradle.api.logging.Logging
import org.gradle.api.provider.Property
import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import org.gradle.api.specs.Spec
import org.gradle.util.GradleVersion
import java.io.File
import javax.inject.Inject

 * (if it did we could add @Priority of 0 to match the priority given to default components.)
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Named("core-default")
@Singleton
@Typed(ModelProcessor.class)
@Deprecated(since = "4.0.0")
public class DefaultModelProcessor implements ModelProcessor {

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services.xml;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.services.MavenException;

/**
 * An exception thrown during the reading of an xml file.
 *
 * @since 4.0.0
 */
@Experimental

 * limitations under the License.
 */

package gradlebuild

import org.gradle.api.provider.SetProperty
import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import org.gradle.tooling.events.FinishEvent
import org.gradle.tooling.events.OperationCompletionListener
import org.gradle.tooling.events.task.TaskFinishEvent

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.List;
import java.util.regex.Pattern;

import org.apache.maven.api.services.BuilderProblem;
import org.apache.maven.api.services.SettingsBuilder;
import org.apache.maven.settings.Settings;
import org.apache.maven.settings.building.SettingsProblem.Severity;
import org.apache.maven.settings.building.SettingsProblemCollector;