| /** |
| * 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.assertFalse; |
| import static org.mockito.Mockito.mock; |
| |
| import java.io.IOException; |
| import java.io.InterruptedIOException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicReference; |
| 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.Stoppable; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; |
| import org.apache.hadoop.hbase.client.Put; |
| 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.testclassification.RegionServerTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.util.CommonFSUtils; |
| import org.apache.hadoop.hbase.wal.WALFactory; |
| import org.junit.After; |
| import org.junit.Before; |
| 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.mockito.Mockito; |
| |
| /** |
| * Tests a race condition between archiving of compacted files in CompactedHFilesDischarger chore |
| * and HRegion.close(); |
| */ |
| @Category({RegionServerTests.class, SmallTests.class}) |
| public class TestCompactionArchiveConcurrentClose { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestCompactionArchiveConcurrentClose.class); |
| |
| private HBaseTestingUtility testUtil; |
| |
| private Path testDir; |
| private AtomicBoolean archived = new AtomicBoolean(); |
| |
| @Rule |
| public TestName name = new TestName(); |
| |
| @Before |
| public void setup() throws Exception { |
| testUtil = new HBaseTestingUtility(); |
| testDir = testUtil.getDataTestDir("TestStoreFileRefresherChore"); |
| CommonFSUtils.setRootDir(testUtil.getConfiguration(), testDir); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| testUtil.cleanupTestDir(); |
| } |
| |
| @Test |
| public void testStoreCloseAndDischargeRunningInParallel() throws Exception { |
| byte[] fam = Bytes.toBytes("f"); |
| byte[] col = Bytes.toBytes("c"); |
| byte[] val = Bytes.toBytes("val"); |
| |
| TableName tableName = TableName.valueOf(name.getMethodName()); |
| TableDescriptor htd = TableDescriptorBuilder.newBuilder(tableName) |
| .setColumnFamily(ColumnFamilyDescriptorBuilder.of(fam)).build(); |
| RegionInfo info = RegionInfoBuilder.newBuilder(tableName).build(); |
| HRegion region = initHRegion(htd, info); |
| RegionServerServices rss = mock(RegionServerServices.class); |
| List<HRegion> regions = new ArrayList<>(); |
| regions.add(region); |
| Mockito.doReturn(regions).when(rss).getRegions(); |
| |
| // Create the cleaner object |
| CompactedHFilesDischarger cleaner = |
| new CompactedHFilesDischarger(1000, (Stoppable) null, rss, false); |
| // Add some data to the region and do some flushes |
| int batchSize = 10; |
| int fileCount = 10; |
| for (int f = 0; f < fileCount; f++) { |
| int start = f * batchSize; |
| for (int i = start; i < start + batchSize; i++) { |
| Put p = new Put(Bytes.toBytes("row" + i)); |
| p.addColumn(fam, col, val); |
| region.put(p); |
| } |
| // flush them |
| region.flush(true); |
| } |
| |
| HStore store = region.getStore(fam); |
| assertEquals(fileCount, store.getStorefilesCount()); |
| |
| Collection<HStoreFile> storefiles = store.getStorefiles(); |
| // None of the files should be in compacted state. |
| for (HStoreFile file : storefiles) { |
| assertFalse(file.isCompactedAway()); |
| } |
| // Do compaction |
| region.compact(true); |
| |
| // now run the cleaner with a concurrent close |
| Thread cleanerThread = new Thread() { |
| @Override |
| public void run() { |
| cleaner.chore(); |
| } |
| }; |
| cleanerThread.start(); |
| // wait for cleaner to pause |
| synchronized (archived) { |
| if (!archived.get()) { |
| archived.wait(); |
| } |
| } |
| final AtomicReference<Exception> closeException = new AtomicReference<>(); |
| Thread closeThread = new Thread() { |
| @Override |
| public void run() { |
| // wait for the chore to complete and call close |
| try { |
| ((HRegion) region).close(); |
| } catch (IOException e) { |
| closeException.set(e); |
| } |
| } |
| }; |
| closeThread.start(); |
| // no error should occur after the execution of the test |
| closeThread.join(); |
| cleanerThread.join(); |
| |
| if (closeException.get() != null) { |
| throw closeException.get(); |
| } |
| } |
| |
| private HRegion initHRegion(TableDescriptor htd, RegionInfo info) throws IOException { |
| Configuration conf = testUtil.getConfiguration(); |
| Path tableDir = CommonFSUtils.getTableDir(testDir, htd.getTableName()); |
| |
| HRegionFileSystem fs = |
| new WaitingHRegionFileSystem(conf, tableDir.getFileSystem(conf), tableDir, info); |
| ChunkCreator.initialize(MemStoreLAB.CHUNK_SIZE_DEFAULT, false, 0, 0, |
| 0, null, MemStoreLAB.INDEX_CHUNK_SIZE_PERCENTAGE_DEFAULT); |
| final Configuration walConf = new Configuration(conf); |
| CommonFSUtils.setRootDir(walConf, tableDir); |
| final WALFactory wals = new WALFactory(walConf, "log_" + info.getEncodedName()); |
| HRegion region = new HRegion(fs, wals.getWAL(info), conf, htd, null); |
| |
| region.initialize(); |
| |
| return region; |
| } |
| |
| private class WaitingHRegionFileSystem extends HRegionFileSystem { |
| |
| public WaitingHRegionFileSystem(final Configuration conf, final FileSystem fs, |
| final Path tableDir, final RegionInfo regionInfo) { |
| super(conf, fs, tableDir, regionInfo); |
| } |
| |
| @Override |
| public void removeStoreFiles(String familyName, Collection<HStoreFile> storeFiles) |
| throws IOException { |
| super.removeStoreFiles(familyName, storeFiles); |
| archived.set(true); |
| synchronized (archived) { |
| archived.notifyAll(); |
| } |
| try { |
| // unfortunately we can't use a stronger barrier here as the fix synchronizing |
| // the race condition will then block |
| Thread.sleep(100); |
| } catch (InterruptedException ie) { |
| throw new InterruptedIOException("Interrupted waiting for latch"); |
| } |
| } |
| } |
| } |