| /* |
| * 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.client; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.ArrayList; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map.Entry; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.testclassification.LargeTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.AfterClass; |
| 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; |
| |
| import org.apache.hbase.thirdparty.com.google.common.collect.Maps; |
| |
| @Category(LargeTests.class) |
| public class TestSizeFailures { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestSizeFailures.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestSizeFailures.class); |
| protected final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| private static byte [] FAMILY = Bytes.toBytes("testFamily"); |
| protected static int SLAVES = 1; |
| private static TableName TABLENAME; |
| private static final int NUM_ROWS = 1000 * 1000, NUM_COLS = 9; |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| // Uncomment the following lines if more verbosity is needed for |
| // debugging (see HBASE-12285 for details). |
| //((Log4JLogger)RpcServer.LOG).getLogger().setLevel(Level.ALL); |
| //((Log4JLogger)RpcClient.LOG).getLogger().setLevel(Level.ALL); |
| //((Log4JLogger)ScannerCallable.LOG).getLogger().setLevel(Level.ALL); |
| TEST_UTIL.startMiniCluster(SLAVES); |
| |
| // Write a bunch of data |
| TABLENAME = TableName.valueOf("testSizeFailures"); |
| List<byte[]> qualifiers = new ArrayList<>(); |
| for (int i = 1; i <= 10; i++) { |
| qualifiers.add(Bytes.toBytes(Integer.toString(i))); |
| } |
| |
| TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(TABLENAME) |
| .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY)).build(); |
| byte[][] splits = new byte[9][2]; |
| for (int i = 1; i < 10; i++) { |
| int split = 48 + i; |
| splits[i - 1][0] = (byte) (split >>> 8); |
| splits[i - 1][0] = (byte) (split); |
| } |
| TEST_UTIL.getAdmin().createTable(tableDescriptor, splits); |
| Connection conn = TEST_UTIL.getConnection(); |
| |
| try (Table table = conn.getTable(TABLENAME)) { |
| List<Put> puts = new LinkedList<>(); |
| for (int i = 0; i < NUM_ROWS; i++) { |
| Put p = new Put(Bytes.toBytes(Integer.toString(i))); |
| for (int j = 0; j < NUM_COLS; j++) { |
| byte[] value = new byte[50]; |
| Bytes.random(value); |
| p.addColumn(FAMILY, Bytes.toBytes(Integer.toString(j)), value); |
| } |
| puts.add(p); |
| |
| if (puts.size() == 1000) { |
| table.batch(puts, null); |
| puts.clear(); |
| } |
| } |
| |
| if (puts.size() > 0) { |
| table.batch(puts, null); |
| } |
| } |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| /** |
| * Basic client side validation of HBASE-13262 |
| */ |
| @Test |
| public void testScannerSeesAllRecords() throws Exception { |
| Connection conn = TEST_UTIL.getConnection(); |
| try (Table table = conn.getTable(TABLENAME)) { |
| Scan s = new Scan(); |
| s.addFamily(FAMILY); |
| s.setMaxResultSize(-1); |
| s.setBatch(-1); |
| s.setCaching(500); |
| Entry<Long,Long> entry = sumTable(table.getScanner(s)); |
| long rowsObserved = entry.getKey(); |
| long entriesObserved = entry.getValue(); |
| |
| // Verify that we see 1M rows and 9M cells |
| assertEquals(NUM_ROWS, rowsObserved); |
| assertEquals(NUM_ROWS * NUM_COLS, entriesObserved); |
| } |
| } |
| |
| /** |
| * Basic client side validation of HBASE-13262 |
| */ |
| @Test |
| public void testSmallScannerSeesAllRecords() throws Exception { |
| Connection conn = TEST_UTIL.getConnection(); |
| try (Table table = conn.getTable(TABLENAME)) { |
| Scan s = new Scan(); |
| s.setSmall(true); |
| s.addFamily(FAMILY); |
| s.setMaxResultSize(-1); |
| s.setBatch(-1); |
| s.setCaching(500); |
| Entry<Long,Long> entry = sumTable(table.getScanner(s)); |
| long rowsObserved = entry.getKey(); |
| long entriesObserved = entry.getValue(); |
| |
| // Verify that we see 1M rows and 9M cells |
| assertEquals(NUM_ROWS, rowsObserved); |
| assertEquals(NUM_ROWS * NUM_COLS, entriesObserved); |
| } |
| } |
| |
| /** |
| * Count the number of rows and the number of entries from a scanner |
| * |
| * @param scanner |
| * The Scanner |
| * @return An entry where the first item is rows observed and the second is entries observed. |
| */ |
| private Entry<Long,Long> sumTable(ResultScanner scanner) { |
| long rowsObserved = 0L; |
| long entriesObserved = 0L; |
| |
| // Read all the records in the table |
| for (Result result : scanner) { |
| rowsObserved++; |
| while (result.advance()) { |
| entriesObserved++; |
| } |
| } |
| return Maps.immutableEntry(rowsObserved,entriesObserved); |
| } |
| } |