| /** |
| * 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.regionserver; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.concurrent.ThreadPoolExecutor; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Admin; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; |
| import org.apache.hadoop.hbase.client.Connection; |
| import org.apache.hadoop.hbase.client.ConnectionFactory; |
| import org.apache.hadoop.hbase.client.RegionInfo; |
| import org.apache.hadoop.hbase.client.RegionInfoBuilder; |
| import org.apache.hadoop.hbase.client.TableDescriptor; |
| import org.apache.hadoop.hbase.client.TableDescriptorBuilder; |
| import org.apache.hadoop.hbase.executor.ExecutorType; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.testclassification.RegionServerTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.util.CommonFSUtils; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.TestName; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Category({MediumTests.class, RegionServerTests.class}) |
| public class TestRegionOpen { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestRegionOpen.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestRegionOpen.class); |
| private static final int NB_SERVERS = 1; |
| |
| private static final HBaseTestingUtility HTU = new HBaseTestingUtility(); |
| |
| @Rule |
| public TestName name = new TestName(); |
| |
| @BeforeClass |
| public static void before() throws Exception { |
| HTU.startMiniCluster(NB_SERVERS); |
| } |
| |
| @AfterClass |
| public static void afterClass() throws Exception { |
| HTU.shutdownMiniCluster(); |
| } |
| |
| private static HRegionServer getRS() { |
| return HTU.getHBaseCluster().getLiveRegionServerThreads().get(0).getRegionServer(); |
| } |
| |
| @Test |
| public void testPriorityRegionIsOpenedWithSeparateThreadPool() throws Exception { |
| final TableName tableName = TableName.valueOf(TestRegionOpen.class.getSimpleName()); |
| ThreadPoolExecutor exec = getRS().getExecutorService() |
| .getExecutorThreadPool(ExecutorType.RS_OPEN_PRIORITY_REGION); |
| long completed = exec.getCompletedTaskCount(); |
| |
| TableDescriptor tableDescriptor = |
| TableDescriptorBuilder.newBuilder(tableName).setPriority(HConstants.HIGH_QOS) |
| .setColumnFamily(ColumnFamilyDescriptorBuilder.of(HConstants.CATALOG_FAMILY)).build(); |
| try (Connection connection = ConnectionFactory.createConnection(HTU.getConfiguration()); |
| Admin admin = connection.getAdmin()) { |
| admin.createTable(tableDescriptor); |
| } |
| |
| assertEquals(completed + 1, exec.getCompletedTaskCount()); |
| } |
| |
| @Test |
| public void testNonExistentRegionReplica() throws Exception { |
| final TableName tableName = TableName.valueOf(name.getMethodName()); |
| final byte[] FAMILYNAME = Bytes.toBytes("fam"); |
| FileSystem fs = HTU.getTestFileSystem(); |
| Admin admin = HTU.getAdmin(); |
| Configuration conf = HTU.getConfiguration(); |
| Path rootDir = HTU.getDataTestDirOnTestFS(); |
| |
| TableDescriptor htd = TableDescriptorBuilder.newBuilder(tableName) |
| .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILYNAME)).build(); |
| admin.createTable(htd); |
| HTU.waitUntilNoRegionsInTransition(60000); |
| |
| // Create new HRI with non-default region replica id |
| RegionInfo hri = RegionInfoBuilder.newBuilder(htd.getTableName()) |
| .setStartKey(Bytes.toBytes("A")).setEndKey(Bytes.toBytes("B")) |
| .setRegionId(System.currentTimeMillis()).setReplicaId(2).build(); |
| HRegionFileSystem regionFs = HRegionFileSystem.createRegionOnFileSystem(conf, fs, |
| CommonFSUtils.getTableDir(rootDir, hri.getTable()), hri); |
| Path regionDir = regionFs.getRegionDir(); |
| try { |
| HRegionFileSystem.loadRegionInfoFileContent(fs, regionDir); |
| } catch (IOException e) { |
| LOG.info("Caught expected IOE due missing .regioninfo file, due: " + e.getMessage() + " skipping region open."); |
| // We should only have 1 region online |
| List<RegionInfo> regions = admin.getRegions(tableName); |
| LOG.info("Regions: " + regions); |
| if (regions.size() != 1) { |
| fail("Table " + tableName + " should have only one region, but got more: " + regions); |
| } |
| return; |
| } |
| fail("Should have thrown IOE when attempting to open a non-existing region."); |
| } |
| } |