| /** |
| * 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.mob; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.CellUtil; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Admin; |
| import org.apache.hadoop.hbase.client.Result; |
| import org.apache.hadoop.hbase.client.ResultScanner; |
| import org.apache.hadoop.hbase.client.Scan; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.io.ByteBuffAllocator; |
| import org.apache.hadoop.hbase.snapshot.MobSnapshotTestingUtils; |
| import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| 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.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Test the MOB feature when enable RPC ByteBuffAllocator (HBASE-22122) |
| */ |
| @Category({ MediumTests.class }) |
| public class TestMobWithByteBuffAllocator { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestMobWithByteBuffAllocator.class); |
| |
| private static final String TABLE_NAME = "TestMobWithByteBuffAllocator"; |
| private static final Logger LOG = LoggerFactory.getLogger(TestMobWithByteBuffAllocator.class); |
| |
| private static final HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| private static final Configuration CONF = UTIL.getConfiguration(); |
| private static final byte[] FAMILY = Bytes.toBytes("f"); |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| // 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); |
| CONF.setInt(MobConstants.MOB_FILE_CACHE_SIZE_KEY, 0); |
| UTIL.startMiniCluster(); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void testReadingCellsFromHFile() throws Exception { |
| TableName tableName = TableName.valueOf(TABLE_NAME); |
| MobSnapshotTestingUtils.createMobTable(UTIL, tableName, 1, FAMILY); |
| LOG.info("Create an mob table {} successfully.", tableName); |
| |
| int expectedRows = 500; |
| SnapshotTestingUtils.loadData(UTIL, tableName, expectedRows, FAMILY); |
| LOG.info("Load 500 rows data into table {} successfully.", tableName); |
| |
| // Flush all the data into HFiles. |
| try (Admin admin = UTIL.getConnection().getAdmin()) { |
| admin.flush(tableName); |
| } |
| |
| // Scan the rows |
| MobSnapshotTestingUtils.verifyMobRowCount(UTIL, tableName, expectedRows); |
| |
| // Reversed scan the rows |
| int rows = 0; |
| try (Table table = UTIL.getConnection().getTable(tableName)) { |
| try (ResultScanner scanner = table.getScanner(new Scan().setReversed(true))) { |
| for (Result res; (res = scanner.next()) != null;) { |
| rows++; |
| for (Cell cell : res.listCells()) { |
| Assert.assertTrue(CellUtil.cloneValue(cell).length > 0); |
| } |
| } |
| } |
| } |
| Assert.assertEquals(expectedRows, rows); |
| } |
| } |