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17 package org.apache.hadoop.hbase.io.encoding;
18
19 import static org.junit.Assert.assertEquals;
20 import static org.junit.Assert.assertTrue;
21
22 import java.io.IOException;
23 import java.util.ArrayList;
24 import java.util.Collection;
25 import java.util.List;
26 import java.util.Map;
27
28 import org.apache.hadoop.hbase.HBaseTestingUtility;
29 import org.apache.hadoop.hbase.HColumnDescriptor;
30 import org.apache.hadoop.hbase.SmallTests;
31 import org.apache.hadoop.hbase.client.Get;
32 import org.apache.hadoop.hbase.client.Put;
33 import org.apache.hadoop.hbase.client.Result;
34 import org.apache.hadoop.hbase.io.hfile.CacheConfig;
35 import org.apache.hadoop.hbase.io.hfile.Compression.Algorithm;
36 import org.apache.hadoop.hbase.io.hfile.HFile;
37 import org.apache.hadoop.hbase.io.hfile.LruBlockCache;
38 import org.apache.hadoop.hbase.regionserver.HRegion;
39 import org.apache.hadoop.hbase.regionserver.StoreFile.BloomType;
40 import org.apache.hadoop.hbase.util.Bytes;
41 import org.apache.hadoop.hbase.util.LoadTestKVGenerator;
42 import org.apache.hadoop.hbase.util.MultiThreadedWriter;
43 import org.junit.Test;
44 import org.junit.experimental.categories.Category;
45 import org.junit.runner.RunWith;
46 import org.junit.runners.Parameterized;
47 import org.junit.runners.Parameterized.Parameters;
48
49
50
51
52 @Category(SmallTests.class)
53 @RunWith(Parameterized.class)
54 public class TestEncodedSeekers {
55
56 private static final String TABLE_NAME = "encodedSeekersTable";
57 private static final String CF_NAME = "encodedSeekersCF";
58 private static final byte[] CF_BYTES = Bytes.toBytes(CF_NAME);
59 private static final int MAX_VERSIONS = 5;
60
61 private static final int MIN_VALUE_SIZE = 30;
62 private static final int MAX_VALUE_SIZE = 60;
63 private static final int NUM_ROWS = 1000;
64 private static final int NUM_COLS_PER_ROW = 20;
65 private static final int NUM_HFILES = 4;
66 private static final int NUM_ROWS_PER_FLUSH = NUM_ROWS / NUM_HFILES;
67
68 private final HBaseTestingUtility testUtil = new HBaseTestingUtility();
69 private final DataBlockEncoding encoding;
70 private final boolean encodeOnDisk;
71
72
73 private static final boolean VERBOSE = false;
74
75 @Parameters
76 public static Collection<Object[]> parameters() {
77 List<Object[]> paramList = new ArrayList<Object[]>();
78 for (DataBlockEncoding encoding : DataBlockEncoding.values()) {
79 for (boolean encodeOnDisk : new boolean[]{false, true}) {
80 paramList.add(new Object[] { encoding, encodeOnDisk });
81 }
82 }
83 return paramList;
84 }
85
86 public TestEncodedSeekers(DataBlockEncoding encoding, boolean encodeOnDisk) {
87 this.encoding = encoding;
88 this.encodeOnDisk = encodeOnDisk;
89 }
90
91 @Test
92 public void testEncodedSeeker() throws IOException {
93 System.err.println("Testing encoded seekers for encoding " + encoding);
94 LruBlockCache cache = (LruBlockCache)
95 new CacheConfig(testUtil.getConfiguration()).getBlockCache();
96 cache.clearCache();
97
98 HRegion region = testUtil.createTestRegion(
99 TABLE_NAME, new HColumnDescriptor(CF_NAME)
100 .setMaxVersions(MAX_VERSIONS)
101 .setDataBlockEncoding(encoding)
102 .setEncodeOnDisk(encodeOnDisk)
103 );
104 LoadTestKVGenerator dataGenerator = new LoadTestKVGenerator(
105 MIN_VALUE_SIZE, MAX_VALUE_SIZE);
106
107
108 for (int i = 0; i < NUM_ROWS; ++i) {
109 byte[] key = MultiThreadedWriter.longToByteArrayKey(i);
110 for (int j = 0; j < NUM_COLS_PER_ROW; ++j) {
111 Put put = new Put(key);
112 String colAsStr = String.valueOf(j);
113 byte[] value = dataGenerator.generateRandomSizeValue(i, colAsStr);
114 put.add(CF_BYTES, Bytes.toBytes(colAsStr), value);
115 region.put(put);
116 }
117 if (i % NUM_ROWS_PER_FLUSH == 0) {
118 region.flushcache();
119 }
120 }
121
122 for (int doneCompaction = 0; doneCompaction <= 1; ++doneCompaction) {
123
124 for (int i = 0; i < NUM_ROWS; ++i) {
125 final byte[] rowKey = MultiThreadedWriter.longToByteArrayKey(i);
126 for (int j = 0; j < NUM_COLS_PER_ROW; ++j) {
127 if (VERBOSE) {
128 System.err.println("Reading row " + i + ", column " + j);
129 }
130 final String qualStr = String.valueOf(j);
131 final byte[] qualBytes = Bytes.toBytes(qualStr);
132 Get get = new Get(rowKey);
133 get.addColumn(CF_BYTES, qualBytes);
134 Result result = region.get(get, null);
135 assertEquals(1, result.size());
136 assertTrue(LoadTestKVGenerator.verify(Bytes.toString(rowKey), qualStr,
137 result.getValue(CF_BYTES, qualBytes)));
138 }
139 }
140
141 if (doneCompaction == 0) {
142
143 region.compactStores();
144 }
145 }
146
147 Map<DataBlockEncoding, Integer> encodingCounts =
148 cache.getEncodingCountsForTest();
149
150
151
152 System.err.println("encodingCounts=" + encodingCounts);
153 assertEquals(1, encodingCounts.size());
154 DataBlockEncoding encodingInCache =
155 encodingCounts.keySet().iterator().next();
156 assertEquals(encoding, encodingInCache);
157 assertTrue(encodingCounts.get(encodingInCache) > 0);
158 }
159
160 }