| /** |
| * 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; |
| |
| import java.io.IOException; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.hbase.client.Admin; |
| import org.apache.hadoop.hbase.testclassification.IntegrationTests; |
| import org.apache.hadoop.hbase.util.RegionSplitter; |
| import org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * An integration test to detect regressions in HBASE-7220. Create |
| * a table with many regions and verify it completes within a |
| * reasonable amount of time. |
| * @see <a href="https://issues.apache.org/jira/browse/HBASE-7220">HBASE-7220</a> |
| */ |
| @Category(IntegrationTests.class) |
| public class IntegrationTestManyRegions { |
| |
| private static final String CLASS_NAME |
| = IntegrationTestManyRegions.class.getSimpleName(); |
| |
| protected static final Log LOG |
| = LogFactory.getLog(IntegrationTestManyRegions.class); |
| protected static final TableName TABLE_NAME = TableName.valueOf(CLASS_NAME); |
| protected static final String COLUMN_NAME = "f"; |
| protected static final String REGION_COUNT_KEY |
| = String.format("hbase.%s.regions", CLASS_NAME); |
| protected static final String REGIONSERVER_COUNT_KEY |
| = String.format("hbase.%s.regionServers", CLASS_NAME); |
| protected static final String TIMEOUT_MINUTES_KEY |
| = String.format("hbase.%s.timeoutMinutes", CLASS_NAME); |
| |
| protected static final int DEFAULT_REGION_COUNT = 1000; |
| protected static final int DEFAULT_REGIONSERVER_COUNT = 1; |
| // running this test on my laptop consistently takes about 2.5 |
| // minutes. A timeout of 4 minutes should be reasonably safe. |
| protected static final int DEFAULT_TIMEOUT_MINUTES = 4; |
| protected static final IntegrationTestingUtility util |
| = new IntegrationTestingUtility(); |
| |
| protected static final int REGION_COUNT = util.getConfiguration() |
| .getInt(REGION_COUNT_KEY, DEFAULT_REGION_COUNT); |
| protected static final int REGION_SERVER_COUNT = util.getConfiguration() |
| .getInt(REGIONSERVER_COUNT_KEY, DEFAULT_REGIONSERVER_COUNT); |
| protected static final int TIMEOUT_MINUTES = util.getConfiguration() |
| .getInt(TIMEOUT_MINUTES_KEY, DEFAULT_TIMEOUT_MINUTES); |
| |
| @Before |
| public void setUp() throws Exception { |
| LOG.info(String.format("Initializing cluster with %d region servers.", |
| REGION_SERVER_COUNT)); |
| util.initializeCluster(REGION_SERVER_COUNT); |
| LOG.info("Cluster initialized"); |
| |
| Admin admin = util.getHBaseAdmin(); |
| if (admin.tableExists(TABLE_NAME)) { |
| LOG.info(String.format("Deleting existing table %s.", TABLE_NAME)); |
| if (admin.isTableEnabled(TABLE_NAME)) admin.disableTable(TABLE_NAME); |
| admin.deleteTable(TABLE_NAME); |
| LOG.info(String.format("Existing table %s deleted.", TABLE_NAME)); |
| } |
| LOG.info("Cluster ready"); |
| } |
| |
| @After |
| public void tearDown() throws IOException { |
| LOG.info("Cleaning up after test."); |
| Admin admin = util.getHBaseAdmin(); |
| if (admin.tableExists(TABLE_NAME)) { |
| if (admin.isTableEnabled(TABLE_NAME)) admin.disableTable(TABLE_NAME); |
| admin.deleteTable(TABLE_NAME); |
| } |
| LOG.info("Restoring cluster."); |
| util.restoreCluster(); |
| LOG.info("Cluster restored."); |
| } |
| |
| @Test |
| public void testCreateTableWithRegions() throws Exception { |
| CountDownLatch doneSignal = new CountDownLatch(1); |
| Worker worker = new Worker(doneSignal, util.getHBaseAdmin()); |
| Thread t = new Thread(worker); |
| |
| LOG.info("Launching worker thread to create the table."); |
| t.start(); |
| boolean workerComplete = false; |
| workerComplete = doneSignal.await(TIMEOUT_MINUTES, TimeUnit.MINUTES); |
| if (!workerComplete) { |
| t.interrupt(); |
| fail("Timeout limit expired."); |
| } |
| assertTrue("Table creation failed.", worker.isSuccess()); |
| } |
| |
| private static class Worker implements Runnable { |
| private final CountDownLatch doneSignal; |
| private final Admin admin; |
| private boolean success = false; |
| |
| public Worker(final CountDownLatch doneSignal, final Admin admin) { |
| this.doneSignal = doneSignal; |
| this.admin = admin; |
| } |
| |
| public boolean isSuccess() { |
| return this.success; |
| } |
| |
| @Override |
| public void run() { |
| long startTime, endTime; |
| HTableDescriptor desc = new HTableDescriptor(TABLE_NAME); |
| desc.addFamily(new HColumnDescriptor(COLUMN_NAME)); |
| SplitAlgorithm algo = new RegionSplitter.HexStringSplit(); |
| byte[][] splits = algo.split(REGION_COUNT); |
| |
| LOG.info(String.format("Creating table %s with %d splits.", |
| TABLE_NAME, REGION_COUNT)); |
| startTime = System.currentTimeMillis(); |
| try { |
| admin.createTable(desc, splits); |
| endTime = System.currentTimeMillis(); |
| success = true; |
| LOG.info(String.format("Pre-split table created successfully in %dms.", |
| (endTime - startTime))); |
| } catch (IOException e) { |
| LOG.error("Failed to create table", e); |
| } finally { |
| doneSignal.countDown(); |
| } |
| } |
| } |
| } |