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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.HConstants;
31 import org.apache.hadoop.hbase.KeyValue;
32 import org.apache.hadoop.hbase.MediumTests;
33 import org.apache.hadoop.hbase.Tag;
34 import org.apache.hadoop.hbase.client.Get;
35 import org.apache.hadoop.hbase.client.Put;
36 import org.apache.hadoop.hbase.client.Result;
37 import org.apache.hadoop.hbase.io.hfile.CacheConfig;
38 import org.apache.hadoop.hbase.io.hfile.HFile;
39 import org.apache.hadoop.hbase.io.hfile.LruBlockCache;
40 import org.apache.hadoop.hbase.regionserver.BloomType;
41 import org.apache.hadoop.hbase.regionserver.HRegion;
42 import org.apache.hadoop.hbase.util.Bytes;
43 import org.apache.hadoop.hbase.util.Strings;
44 import org.apache.hadoop.hbase.util.test.LoadTestKVGenerator;
45 import org.junit.Test;
46 import org.junit.experimental.categories.Category;
47 import org.junit.runner.RunWith;
48 import org.junit.runners.Parameterized;
49 import org.junit.runners.Parameterized.Parameters;
50
51
52
53
54 @Category(MediumTests.class)
55 @RunWith(Parameterized.class)
56 public class TestEncodedSeekers {
57
58 private static final String TABLE_NAME = "encodedSeekersTable";
59 private static final String CF_NAME = "encodedSeekersCF";
60 private static final byte[] CF_BYTES = Bytes.toBytes(CF_NAME);
61 private static final int MAX_VERSIONS = 5;
62
63 private static final int BLOCK_SIZE = 64 * 1024;
64 private static final int MIN_VALUE_SIZE = 30;
65 private static final int MAX_VALUE_SIZE = 60;
66 private static final int NUM_ROWS = 1003;
67 private static final int NUM_COLS_PER_ROW = 20;
68 private static final int NUM_HFILES = 4;
69 private static final int NUM_ROWS_PER_FLUSH = NUM_ROWS / NUM_HFILES;
70
71 private final HBaseTestingUtility testUtil = HBaseTestingUtility.createLocalHTU();
72 private final DataBlockEncoding encoding;
73 private final boolean encodeOnDisk;
74 private final boolean includeTags;
75 private final boolean compressTags;
76
77
78 private static final boolean VERBOSE = false;
79
80 @Parameters
81 public static Collection<Object[]> parameters() {
82 List<Object[]> paramList = new ArrayList<Object[]>();
83 for (DataBlockEncoding encoding : DataBlockEncoding.values()) {
84 for (boolean includeTags : new boolean[] { false, true }) {
85 for (boolean encodeOnDisk : new boolean[] { false, true }) {
86 for (boolean compressTags : new boolean[] { false, true }) {
87 paramList.add(new Object[] { encoding, encodeOnDisk, includeTags, compressTags });
88 }
89 }
90 }
91 }
92 return paramList;
93 }
94
95 public TestEncodedSeekers(DataBlockEncoding encoding, boolean encodeOnDisk, boolean includeTags,
96 boolean compressTags) {
97 this.encoding = encoding;
98 this.encodeOnDisk = encodeOnDisk;
99 this.includeTags = includeTags;
100 this.compressTags = compressTags;
101 }
102
103 @Test
104 public void testEncodedSeeker() throws IOException {
105 System.err.println("Testing encoded seekers for encoding : " + encoding + ", encodeOnDisk : "
106 + encodeOnDisk + ", includeTags : " + includeTags + ", compressTags : " + compressTags);
107 if(includeTags) {
108 testUtil.getConfiguration().setInt(HFile.FORMAT_VERSION_KEY, 3);
109 }
110 LruBlockCache cache =
111 (LruBlockCache)new CacheConfig(testUtil.getConfiguration()).getBlockCache();
112 cache.clearCache();
113
114 HColumnDescriptor hcd = (new HColumnDescriptor(CF_NAME)).setMaxVersions(MAX_VERSIONS).
115 setDataBlockEncoding(encoding).
116 setBlocksize(BLOCK_SIZE).
117 setBloomFilterType(BloomType.NONE).
118 setCompressTags(compressTags);
119 HRegion region = testUtil.createTestRegion(TABLE_NAME, hcd);
120
121
122 doPuts(region);
123
124
125 doGets(region);
126
127
128 region.compactStores();
129 doGets(region);
130
131
132 Map<DataBlockEncoding, Integer> encodingCounts = cache.getEncodingCountsForTest();
133
134
135
136 System.err.println("encodingCounts=" + encodingCounts);
137 assertEquals(1, encodingCounts.size());
138 DataBlockEncoding encodingInCache = encodingCounts.keySet().iterator().next();
139 assertEquals(encoding, encodingInCache);
140 assertTrue(encodingCounts.get(encodingInCache) > 0);
141 }
142
143
144 private void doPuts(HRegion region) throws IOException{
145 LoadTestKVGenerator dataGenerator = new LoadTestKVGenerator(MIN_VALUE_SIZE, MAX_VALUE_SIZE);
146 for (int i = 0; i < NUM_ROWS; ++i) {
147 byte[] key = LoadTestKVGenerator.md5PrefixedKey(i).getBytes();
148 for (int j = 0; j < NUM_COLS_PER_ROW; ++j) {
149 Put put = new Put(key);
150 byte[] col = Bytes.toBytes(String.valueOf(j));
151 byte[] value = dataGenerator.generateRandomSizeValue(key, col);
152 if (includeTags) {
153 Tag[] tag = new Tag[1];
154 tag[0] = new Tag((byte) 1, "Visibility");
155 KeyValue kv = new KeyValue(key, CF_BYTES, col, HConstants.LATEST_TIMESTAMP, value, tag);
156 put.add(kv);
157 } else {
158 put.add(CF_BYTES, col, value);
159 }
160 if(VERBOSE){
161 KeyValue kvPut = new KeyValue(key, CF_BYTES, col, value);
162 System.err.println(Strings.padFront(i+"", ' ', 4)+" "+kvPut);
163 }
164 region.put(put);
165 }
166 if (i % NUM_ROWS_PER_FLUSH == 0) {
167 region.flushcache();
168 }
169 }
170 }
171
172
173 private void doGets(HRegion region) throws IOException{
174 for (int i = 0; i < NUM_ROWS; ++i) {
175 final byte[] rowKey = LoadTestKVGenerator.md5PrefixedKey(i).getBytes();
176 for (int j = 0; j < NUM_COLS_PER_ROW; ++j) {
177 final String qualStr = String.valueOf(j);
178 if (VERBOSE) {
179 System.err.println("Reading row " + i + ", column " + j + " " + Bytes.toString(rowKey)+"/"
180 +qualStr);
181 }
182 final byte[] qualBytes = Bytes.toBytes(qualStr);
183 Get get = new Get(rowKey);
184 get.addColumn(CF_BYTES, qualBytes);
185 Result result = region.get(get);
186 assertEquals(1, result.size());
187 byte[] value = result.getValue(CF_BYTES, qualBytes);
188 assertTrue(LoadTestKVGenerator.verify(value, rowKey, qualBytes));
189 }
190 }
191 }
192
193 }