| /** |
| * 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.apache.hadoop.hbase.regionserver.DefaultStoreEngine.DEFAULT_COMPACTOR_CLASS_KEY; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.KeyValue.KeyOnlyKeyValue; |
| 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.io.ByteBuffAllocator; |
| import org.apache.hadoop.hbase.io.hfile.HFileWriterImpl; |
| import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl; |
| import org.apache.hadoop.hbase.regionserver.compactions.DefaultCompactor; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.testclassification.RegionServerTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| 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; |
| |
| @Category({ RegionServerTests.class, MediumTests.class }) |
| public class TestCompactorMemLeak { |
| |
| private static final HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| private static final Configuration CONF = UTIL.getConfiguration(); |
| private static final AtomicBoolean IS_LAST_CELL_ON_HEAP = new AtomicBoolean(false); |
| private static final byte[] FAMILY = Bytes.toBytes("f"); |
| private static final byte[] QUALIFIER = Bytes.toBytes("q"); |
| private static final byte[] VALUE = Bytes.toBytes("value"); |
| |
| @Rule |
| public TestName name = new TestName(); |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestCompactorMemLeak.class); |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| IS_LAST_CELL_ON_HEAP.set(false); |
| // Must use the ByteBuffAllocator here |
| CONF.setBoolean(ByteBuffAllocator.ALLOCATOR_POOL_ENABLED_KEY, true); |
| // Must use OFF-HEAP BucketCache here. |
| CONF.setFloat(HConstants.HFILE_BLOCK_CACHE_SIZE_KEY, 0.1f); |
| CONF.set(HConstants.BUCKET_CACHE_IOENGINE_KEY, "offheap"); |
| // 32MB for BucketCache. |
| CONF.setFloat(HConstants.BUCKET_CACHE_SIZE_KEY, 32); |
| // Use the MyCompactor |
| CONF.set(DEFAULT_COMPACTOR_CLASS_KEY, MyCompactor.class.getName()); |
| UTIL.startMiniCluster(); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| IS_LAST_CELL_ON_HEAP.set(false); |
| UTIL.shutdownMiniCluster(); |
| } |
| |
| private void assertMajorCompactionOK(TableName tableName) { |
| List<HRegion> regions = UTIL.getHBaseCluster().getRegionServerThreads().get(0).getRegionServer() |
| .getRegions(tableName); |
| Assert.assertEquals(regions.size(), 1); |
| HRegion region = regions.get(0); |
| Assert.assertEquals(region.getStores().size(), 1); |
| HStore store = region.getStore(FAMILY); |
| Assert.assertEquals(store.getStorefilesCount(), 1); |
| } |
| |
| @Test |
| public void testMemLeak() throws IOException, InterruptedException { |
| TableName tableName = TableName.valueOf(name.getMethodName()); |
| Table table = UTIL.createTable(tableName, FAMILY); |
| |
| // Put and Flush #1 |
| Put put = new Put(Bytes.toBytes("row1")).addColumn(FAMILY, QUALIFIER, VALUE); |
| table.put(put); |
| UTIL.getAdmin().flush(tableName); |
| |
| // Put and Flush #2 |
| put = new Put(Bytes.toBytes("row2")).addColumn(FAMILY, QUALIFIER, VALUE); |
| table.put(put); |
| UTIL.getAdmin().flush(tableName); |
| |
| // Major compact |
| UTIL.getAdmin().majorCompact(tableName); |
| Thread.sleep(6000); |
| assertMajorCompactionOK(tableName); |
| |
| // The last cell before Compactor#commitWriter must be an heap one. |
| Assert.assertTrue(IS_LAST_CELL_ON_HEAP.get()); |
| } |
| |
| public static class MyCompactor extends DefaultCompactor { |
| |
| public MyCompactor(Configuration conf, HStore store) { |
| super(conf, store); |
| } |
| |
| @Override |
| protected List<Path> commitWriter(StoreFileWriter writer, FileDetails fd, |
| CompactionRequestImpl request) throws IOException { |
| HFileWriterImpl writerImpl = (HFileWriterImpl) writer.writer; |
| Cell cell = writerImpl.getLastCell(); |
| // The cell should be backend with an KeyOnlyKeyValue. |
| IS_LAST_CELL_ON_HEAP.set(cell instanceof KeyOnlyKeyValue); |
| return super.commitWriter(writer, fd, request); |
| } |
| } |
| } |