| /** |
| * 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 java.io.IOException; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Get; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.master.HMaster; |
| import org.apache.hadoop.hbase.master.ServerManager; |
| 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.JVMClusterUtil.RegionServerThread; |
| import org.apache.hadoop.hbase.wal.WALFactory; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| /** |
| * Testcase for HBASE-20742 |
| */ |
| @Category({ RegionServerTests.class, MediumTests.class }) |
| public class TestRegionServerCrashDisableWAL { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestRegionServerCrashDisableWAL.class); |
| |
| private static final HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| |
| private static TableName TABLE_NAME = TableName.valueOf("test"); |
| |
| private static byte[] CF = Bytes.toBytes("cf"); |
| |
| private static byte[] CQ = Bytes.toBytes("cq"); |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| UTIL.getConfiguration().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 1); |
| UTIL.getConfiguration().setBoolean(WALFactory.WAL_ENABLED, false); |
| UTIL.startMiniCluster(2); |
| UTIL.createTable(TABLE_NAME, CF); |
| UTIL.waitTableAvailable(TABLE_NAME); |
| HRegionServer rs = UTIL.getRSForFirstRegionInTable(TABLE_NAME); |
| if (!rs.getRegions(TableName.META_TABLE_NAME).isEmpty()) { |
| HRegionServer rs1 = UTIL.getOtherRegionServer(rs); |
| UTIL.moveRegionAndWait( |
| UTIL.getMiniHBaseCluster().getRegions(TABLE_NAME).get(0).getRegionInfo(), |
| rs1.getServerName()); |
| } |
| UTIL.getAdmin().balancerSwitch(false, true); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void test() throws InterruptedException, IOException { |
| HMaster master = UTIL.getMiniHBaseCluster().stopMaster(0).getMaster(); |
| // Shutdown master before shutting down rs |
| UTIL.waitFor(30000, () -> !master.isAlive()); |
| RegionServerThread thread = null; |
| for (RegionServerThread t : UTIL.getMiniHBaseCluster().getRegionServerThreads()) { |
| if (!t.getRegionServer().getRegions(TABLE_NAME).isEmpty()) { |
| thread = t; |
| break; |
| } |
| } |
| // shutdown rs |
| thread.getRegionServer().abort("For testing"); |
| thread.join(); |
| // restart master |
| UTIL.getMiniHBaseCluster().startMaster(); |
| // make sure that we can schedule a SCP for the crashed server which WAL is disabled and bring |
| // the region online. |
| try (Table table = |
| UTIL.getConnection().getTableBuilder(TABLE_NAME, null).setOperationTimeout(30000).build()) { |
| table.put(new Put(Bytes.toBytes(1)).addColumn(CF, CQ, Bytes.toBytes(1))); |
| assertEquals(1, Bytes.toInt(table.get(new Get(Bytes.toBytes(1))).getValue(CF, CQ))); |
| } |
| } |
| } |