| /** |
| * 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.assertTrue; |
| |
| import java.io.IOException; |
| import org.apache.commons.lang3.RandomStringUtils; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; |
| import org.apache.hadoop.hbase.client.Get; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.filter.TimestampsFilter; |
| import org.apache.hadoop.hbase.testclassification.LargeTests; |
| import org.apache.hadoop.hbase.testclassification.RegionServerTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.Before; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList; |
| |
| @Category({RegionServerTests.class, LargeTests.class}) |
| public class TestTimestampFilterSeekHint { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestTimestampFilterSeekHint.class); |
| |
| private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| private final static String RK = "myRK"; |
| private final static byte[] RK_BYTES = Bytes.toBytes(RK); |
| |
| private final static String FAMILY = "D"; |
| private final static byte[] FAMILY_BYTES = Bytes.toBytes(FAMILY); |
| |
| private final static String QUAL = "0"; |
| private final static byte[] QUAL_BYTES = Bytes.toBytes(QUAL); |
| |
| public static final int MAX_VERSIONS = 50000; |
| private HRegion region; |
| private int regionCount = 0; |
| |
| @Test |
| public void testGetSeek() throws IOException { |
| StoreFileScanner.instrument(); |
| prepareRegion(); |
| |
| Get g = new Get(RK_BYTES); |
| final TimestampsFilter timestampsFilter = new TimestampsFilter(ImmutableList.of(5L), true); |
| g.setFilter(timestampsFilter); |
| final long initialSeekCount = StoreFileScanner.getSeekCount(); |
| region.get(g); |
| final long finalSeekCount = StoreFileScanner.getSeekCount(); |
| |
| /* |
| Make sure there's more than one. |
| Aka one seek to get to the row, and one to get to the time. |
| */ |
| assertTrue(finalSeekCount >= initialSeekCount + 3 ); |
| } |
| |
| @Test |
| public void testGetDoesntSeekWithNoHint() throws IOException { |
| StoreFileScanner.instrument(); |
| prepareRegion(); |
| |
| Get g = new Get(RK_BYTES); |
| g.setFilter(new TimestampsFilter(ImmutableList.of(5L))); |
| final long initialSeekCount = StoreFileScanner.getSeekCount(); |
| region.get(g); |
| final long finalSeekCount = StoreFileScanner.getSeekCount(); |
| |
| assertTrue(finalSeekCount >= initialSeekCount ); |
| assertTrue(finalSeekCount < initialSeekCount + 3); |
| } |
| |
| @Before |
| public void prepareRegion() throws IOException { |
| ColumnFamilyDescriptor columnFamilyDescriptor = |
| ColumnFamilyDescriptorBuilder |
| .newBuilder(Bytes.toBytes(FAMILY)) |
| .setBlocksize(1024) |
| .setMaxVersions(MAX_VERSIONS) |
| .build(); |
| region = TEST_UTIL |
| .createTestRegion("TestTimestampFilterSeekHint" + regionCount++, columnFamilyDescriptor); |
| |
| for (long i = 0; i <MAX_VERSIONS - 2; i++) { |
| Put p = new Put(RK_BYTES, i); |
| p.addColumn(FAMILY_BYTES, QUAL_BYTES, Bytes.toBytes(RandomStringUtils.randomAlphabetic(255))); |
| region.put(p); |
| } |
| region.flush(true); |
| } |
| } |