| /* |
| * |
| * 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.assertEquals; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.MediumTests; |
| import org.apache.hadoop.hbase.client.HTable; |
| import org.apache.hadoop.hbase.client.HTableUtil; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.Result; |
| import org.apache.hadoop.hbase.client.Row; |
| import org.apache.hadoop.hbase.client.Scan; |
| import org.apache.hadoop.hbase.io.hfile.BlockCache; |
| import org.apache.hadoop.hbase.io.hfile.BlockCacheColumnFamilySummary; |
| import org.apache.hadoop.hbase.io.hfile.CacheConfig; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| /** |
| * Tests the block cache summary functionality in StoreFile, |
| * which contains the BlockCache |
| * |
| */ |
| @Category(MediumTests.class) |
| public class TestStoreFileBlockCacheSummary { |
| final Log LOG = LogFactory.getLog(getClass()); |
| private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| private static final String TEST_TABLE = "testTable"; |
| private static final String TEST_TABLE2 = "testTable2"; |
| private static final String TEST_CF = "testFamily"; |
| private static byte [] FAMILY = Bytes.toBytes(TEST_CF); |
| private static byte [] QUALIFIER = Bytes.toBytes("testQualifier"); |
| private static byte [] VALUE = Bytes.toBytes("testValue"); |
| |
| private final int TOTAL_ROWS = 4; |
| |
| /** |
| * @throws java.lang.Exception exception |
| */ |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| TEST_UTIL.startMiniCluster(); |
| } |
| |
| /** |
| * @throws java.lang.Exception exception |
| */ |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| |
| private Put createPut(byte[] family, String row) { |
| Put put = new Put( Bytes.toBytes(row)); |
| put.add(family, QUALIFIER, VALUE); |
| return put; |
| } |
| |
| /** |
| * This test inserts data into multiple tables and then reads both tables to ensure |
| * they are in the block cache. |
| * |
| * @throws Exception exception |
| */ |
| @Test |
| public void testBlockCacheSummary() throws Exception { |
| HTable ht = TEST_UTIL.createTable(Bytes.toBytes(TEST_TABLE), FAMILY); |
| addRows(ht, FAMILY); |
| |
| HTable ht2 = TEST_UTIL.createTable(Bytes.toBytes(TEST_TABLE2), FAMILY); |
| addRows(ht2, FAMILY); |
| |
| TEST_UTIL.flush(); |
| |
| scan(ht, FAMILY); |
| scan(ht2, FAMILY); |
| |
| BlockCache bc = |
| new CacheConfig(TEST_UTIL.getConfiguration()).getBlockCache(); |
| List<BlockCacheColumnFamilySummary> bcs = |
| bc.getBlockCacheColumnFamilySummaries(TEST_UTIL.getConfiguration()); |
| LOG.info("blockCacheSummary: " + bcs); |
| |
| assertEquals("blockCache summary has entries", 3, bcs.size()); |
| |
| BlockCacheColumnFamilySummary e = bcs.get(0); |
| assertEquals("table", "-ROOT-", e.getTable()); |
| assertEquals("cf", "info", e.getColumnFamily()); |
| |
| e = bcs.get(1); |
| assertEquals("table", TEST_TABLE, e.getTable()); |
| assertEquals("cf", TEST_CF, e.getColumnFamily()); |
| |
| e = bcs.get(2); |
| assertEquals("table", TEST_TABLE2, e.getTable()); |
| assertEquals("cf", TEST_CF, e.getColumnFamily()); |
| |
| ht.close(); |
| ht2.close(); |
| } |
| |
| private void addRows(HTable ht, byte[] family) throws IOException { |
| |
| List<Row> rows = new ArrayList<Row>(); |
| for (int i = 0; i < TOTAL_ROWS;i++) { |
| rows.add(createPut(family, "row" + i)); |
| } |
| |
| HTableUtil.bucketRsBatch( ht, rows); |
| } |
| |
| private void scan(HTable ht, byte[] family) throws IOException { |
| Scan scan = new Scan(); |
| scan.addColumn(family, QUALIFIER); |
| |
| int count = 0; |
| for(@SuppressWarnings("unused") Result result : ht.getScanner(scan)) { |
| count++; |
| } |
| if (TOTAL_ROWS != count) { |
| throw new IOException("Incorrect number of rows!"); |
| } |
| } |
| |
| @org.junit.Rule |
| public org.apache.hadoop.hbase.ResourceCheckerJUnitRule cu = |
| new org.apache.hadoop.hbase.ResourceCheckerJUnitRule(); |
| } |
| |