hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestMiniClusterLoadParallel.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.hbase.util;

import static org.junit.Assert.assertEquals;

import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.hbase.testclassification.MiscTests;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;

/**
 * A write/read/verify load test on a mini HBase cluster. Tests reading
 * and writing at the same time.
 */
@Category({MiscTests.class, LargeTests.class})
@RunWith(Parameterized.class)
public class TestMiniClusterLoadParallel
    extends TestMiniClusterLoadSequential {

  @ClassRule
  public static final HBaseClassTestRule CLASS_RULE =
      HBaseClassTestRule.forClass(TestMiniClusterLoadParallel.class);

  public TestMiniClusterLoadParallel(boolean isMultiPut,
      DataBlockEncoding encoding) {
    super(isMultiPut, encoding);
  }

  @Override
  @Test
  public void loadTest() throws Exception {
    prepareForLoadTest();

    readerThreads.linkToWriter(writerThreads);

    writerThreads.start(0, numKeys, NUM_THREADS);
    readerThreads.start(0, numKeys, NUM_THREADS);

    writerThreads.waitForFinish();
    readerThreads.waitForFinish();

    assertEquals(0, writerThreads.getNumWriteFailures());
    assertEquals(0, readerThreads.getNumReadFailures());
    assertEquals(0, readerThreads.getNumReadErrors());
    assertEquals(numKeys, readerThreads.getNumUniqueKeysVerified());
  }

}