| /* |
| * 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 java.io.IOException; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtil; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Durability; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.testclassification.LargeTests; |
| import org.apache.hadoop.hbase.testclassification.VerySlowRegionServerTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.wal.WAL; |
| import org.apache.hadoop.hbase.wal.WALFactory; |
| import org.junit.Assert; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| /** |
| * A test similar to TestHRegion, but with in-memory flush families. Also checks wal truncation |
| * after in-memory compaction. |
| */ |
| @Category({ VerySlowRegionServerTests.class, LargeTests.class }) |
| public class TestHRegionWithInMemoryFlush extends TestHRegion { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestHRegionWithInMemoryFlush.class); |
| |
| /** |
| * @return A region on which you must call {@link HBaseTestingUtil#closeRegionAndWAL(HRegion)} |
| * when done. |
| */ |
| @Override |
| public HRegion initHRegion(TableName tableName, byte[] startKey, byte[] stopKey, |
| Configuration conf, boolean isReadOnly, Durability durability, WAL wal, byte[]... families) |
| throws IOException { |
| boolean[] inMemory = new boolean[families.length]; |
| for (int i = 0; i < inMemory.length; i++) { |
| inMemory[i] = true; |
| } |
| ChunkCreator.initialize(MemStoreLAB.CHUNK_SIZE_DEFAULT, false, 0, 0, 0, null, |
| MemStoreLAB.INDEX_CHUNK_SIZE_PERCENTAGE_DEFAULT); |
| return TEST_UTIL.createLocalHRegionWithInMemoryFlags(tableName, startKey, stopKey, conf, |
| isReadOnly, durability, wal, inMemory, families); |
| } |
| |
| @Override |
| int getTestCountForTestWritesWhileScanning() { |
| return 10; |
| } |
| |
| /** |
| * testWritesWhileScanning is flakey when called out of this class. Need to dig in. Meantime go |
| * easy on it. See if that helps. |
| */ |
| @Override |
| int getNumQualifiersForTestWritesWhileScanning() { |
| return 10; |
| } |
| |
| /** |
| * A test case of HBASE-21041 |
| * @throws Exception Exception |
| */ |
| @Override |
| @Test |
| public void testFlushAndMemstoreSizeCounting() throws Exception { |
| byte[] family = Bytes.toBytes("family"); |
| this.region = initHRegion(tableName, method, CONF, family); |
| final WALFactory wals = new WALFactory(CONF, method); |
| int count = 0; |
| try { |
| for (byte[] row : HBaseTestingUtil.ROWS) { |
| Put put = new Put(row); |
| put.addColumn(family, family, row); |
| region.put(put); |
| // In memory flush every 1000 puts |
| if (count++ % 1000 == 0) { |
| ((CompactingMemStore) (region.getStore(family).memstore)).flushInMemory(); |
| } |
| } |
| region.flush(true); |
| // After flush, data size should be zero |
| Assert.assertEquals(0, region.getMemStoreDataSize()); |
| // After flush, a new active mutable segment is created, so the heap size |
| // should equal to MutableSegment.DEEP_OVERHEAD |
| Assert.assertEquals(MutableSegment.DEEP_OVERHEAD, region.getMemStoreHeapSize()); |
| // After flush, offheap size should be zero |
| Assert.assertEquals(0, region.getMemStoreOffHeapSize()); |
| |
| } finally { |
| HBaseTestingUtil.closeRegionAndWAL(this.region); |
| this.region = null; |
| wals.close(); |
| } |
| } |
| } |