| /** |
| * 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.master; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.MiniHBaseCluster; |
| import org.apache.hadoop.hbase.NamespaceDescriptor; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.protobuf.generated.ClusterStatusProtos.RegionStoreSequenceIds; |
| import org.apache.hadoop.hbase.regionserver.HRegionServer; |
| import org.apache.hadoop.hbase.regionserver.Region; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.util.JVMClusterUtil; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| /** |
| * Trivial test to confirm that we can get last flushed sequence id by encodedRegionName. See |
| * HBASE-12715. |
| */ |
| @Category(MediumTests.class) |
| public class TestGetLastFlushedSequenceId { |
| |
| private final HBaseTestingUtility testUtil = new HBaseTestingUtility(); |
| |
| private final TableName tableName = TableName.valueOf(getClass().getSimpleName(), "test"); |
| |
| private final byte[] family = Bytes.toBytes("f1"); |
| |
| private final byte[][] families = new byte[][] { family }; |
| |
| @Before |
| public void setUp() throws Exception { |
| testUtil.getConfiguration().setInt("hbase.regionserver.msginterval", 1000); |
| testUtil.startMiniCluster(1, 1); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| testUtil.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void test() throws IOException, InterruptedException { |
| testUtil.getHBaseAdmin().createNamespace( |
| NamespaceDescriptor.create(tableName.getNamespaceAsString()).build()); |
| Table table = testUtil.createTable(tableName, families); |
| table.put(new Put(Bytes.toBytes("k")) |
| .addColumn(family, Bytes.toBytes("q"), Bytes.toBytes("v"))); |
| MiniHBaseCluster cluster = testUtil.getMiniHBaseCluster(); |
| List<JVMClusterUtil.RegionServerThread> rsts = cluster.getRegionServerThreads(); |
| Region region = null; |
| for (int i = 0; i < cluster.getRegionServerThreads().size(); i++) { |
| HRegionServer hrs = rsts.get(i).getRegionServer(); |
| for (Region r : hrs.getOnlineRegions(tableName)) { |
| region = r; |
| break; |
| } |
| } |
| assertNotNull(region); |
| Thread.sleep(2000); |
| RegionStoreSequenceIds ids = |
| testUtil.getHBaseCluster().getMaster() |
| .getLastSequenceId(region.getRegionInfo().getEncodedNameAsBytes()); |
| assertEquals(HConstants.NO_SEQNUM, ids.getLastFlushedSequenceId()); |
| // This will be the sequenceid just before that of the earliest edit in memstore. |
| long storeSequenceId = ids.getStoreSequenceId(0).getSequenceId(); |
| assertTrue(storeSequenceId > 0); |
| testUtil.getHBaseAdmin().flush(tableName); |
| Thread.sleep(2000); |
| ids = |
| testUtil.getHBaseCluster().getMaster() |
| .getLastSequenceId(region.getRegionInfo().getEncodedNameAsBytes()); |
| assertTrue(ids.getLastFlushedSequenceId() + " > " + storeSequenceId, |
| ids.getLastFlushedSequenceId() > storeSequenceId); |
| assertEquals(ids.getLastFlushedSequenceId(), ids.getStoreSequenceId(0).getSequenceId()); |
| table.close(); |
| } |
| } |