| /** |
| * 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.filter; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| 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.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.filter.MultiRowRangeFilter.RowRange; |
| import org.apache.hadoop.hbase.io.hfile.HFile; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.AfterClass; |
| 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; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /* |
| * This test is for the optimization added in HBASE-15243. |
| * FilterList with two MultiRowRangeFilter's is constructed using Operator.MUST_PASS_ONE. |
| */ |
| @Category(MediumTests.class) |
| public class TestFilterListOrOperatorWithBlkCnt { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestFilterListOrOperatorWithBlkCnt.class); |
| |
| private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| private static final Logger LOG = |
| LoggerFactory.getLogger(TestFilterListOrOperatorWithBlkCnt.class); |
| private byte[] family = Bytes.toBytes("family"); |
| private byte[] qf = Bytes.toBytes("qf"); |
| private byte[] value = Bytes.toBytes("val"); |
| private TableName tableName; |
| private int numRows = 10000; |
| |
| @Rule |
| public TestName name = new TestName(); |
| |
| /** |
| * @throws Exception |
| */ |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| long blkSize = 4096; |
| /* |
| * dfs block size is adjusted so that the specified number of rows would result in |
| * multiple blocks (8 for this test). |
| * Later in the test, assertion is made on the number of blocks read. |
| */ |
| TEST_UTIL.getConfiguration().setLong("dfs.blocksize", blkSize); |
| TEST_UTIL.getConfiguration().setLong("dfs.bytes-per-checksum", blkSize); |
| TEST_UTIL.startMiniCluster(); |
| } |
| |
| /** |
| * @throws Exception |
| */ |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| private static long getBlkAccessCount() { |
| return HFile.DATABLOCK_READ_COUNT.sum(); |
| } |
| |
| @Test |
| public void testMultiRowRangeWithFilterListOrOperatorWithBlkCnt() throws IOException { |
| tableName = TableName.valueOf(name.getMethodName()); |
| Table ht = TEST_UTIL.createTable(tableName, family, Integer.MAX_VALUE); |
| generateRows(numRows, ht, family, qf, value); |
| |
| Scan scan = new Scan(); |
| scan.readAllVersions(); |
| long blocksStart = getBlkAccessCount(); |
| |
| List<RowRange> ranges1 = new ArrayList<>(); |
| ranges1.add(new RowRange(Bytes.toBytes(10), true, Bytes.toBytes(15), false)); |
| ranges1.add(new RowRange(Bytes.toBytes(9980), true, Bytes.toBytes(9985), false)); |
| |
| MultiRowRangeFilter filter1 = new MultiRowRangeFilter(ranges1); |
| |
| List<RowRange> ranges2 = new ArrayList<>(); |
| ranges2.add(new RowRange(Bytes.toBytes(15), true, Bytes.toBytes(20), false)); |
| ranges2.add(new RowRange(Bytes.toBytes(9985), true, Bytes.toBytes(9990), false)); |
| |
| MultiRowRangeFilter filter2 = new MultiRowRangeFilter(ranges2); |
| |
| FilterList filterList = new FilterList(FilterList.Operator.MUST_PASS_ONE); |
| filterList.addFilter(filter1); |
| filterList.addFilter(filter2); |
| scan.setFilter(filterList); |
| int resultsSize = getResultsSize(ht, scan); |
| LOG.info("found " + resultsSize + " results"); |
| List<Cell> results1 = getScanResult(Bytes.toBytes(10), Bytes.toBytes(20), ht); |
| List<Cell> results2 = getScanResult(Bytes.toBytes(9980), Bytes.toBytes(9990), ht); |
| |
| assertEquals(results1.size() + results2.size(), resultsSize); |
| long blocksEnd = getBlkAccessCount(); |
| long diff = blocksEnd - blocksStart; |
| LOG.info("Diff in number of blocks " + diff); |
| /* |
| * Verify that we don't read all the blocks (8 in total). |
| */ |
| assertEquals(4, diff); |
| |
| ht.close(); |
| } |
| |
| private void generateRows(int numberOfRows, Table ht, byte[] family, byte[] qf, byte[] value) |
| throws IOException { |
| for (int i = 0; i < numberOfRows; i++) { |
| byte[] row = Bytes.toBytes(i); |
| Put p = new Put(row); |
| p.addColumn(family, qf, value); |
| p.setDurability(Durability.SKIP_WAL); |
| ht.put(p); |
| } |
| TEST_UTIL.flush(); |
| } |
| |
| private List<Cell> getScanResult(byte[] startRow, byte[] stopRow, Table ht) throws IOException { |
| Scan scan = new Scan(); |
| scan.readAllVersions(); |
| if(!Bytes.toString(startRow).isEmpty()) { |
| scan.withStartRow(startRow); |
| } |
| if(!Bytes.toString(stopRow).isEmpty()) { |
| scan.withStopRow(stopRow); |
| } |
| ResultScanner scanner = ht.getScanner(scan); |
| List<Cell> kvList = new ArrayList<>(); |
| Result r; |
| while ((r = scanner.next()) != null) { |
| for (Cell kv : r.listCells()) { |
| kvList.add(kv); |
| } |
| } |
| return kvList; |
| } |
| |
| private int getResultsSize(Table ht, Scan scan) throws IOException { |
| ResultScanner scanner = ht.getScanner(scan); |
| List<Cell> results = new ArrayList<>(); |
| Result r; |
| while ((r = scanner.next()) != null) { |
| for (Cell kv : r.listCells()) { |
| results.add(kv); |
| } |
| } |
| return results.size(); |
| } |
| } |