1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 package org.apache.hadoop.hbase.mapreduce;
21
22 import static org.junit.Assert.assertArrayEquals;
23 import static org.junit.Assert.assertEquals;
24 import static org.junit.Assert.assertTrue;
25
26 import java.io.IOException;
27 import java.util.TreeMap;
28
29 import org.apache.hadoop.conf.Configuration;
30 import org.apache.hadoop.fs.FileSystem;
31 import org.apache.hadoop.fs.Path;
32 import org.apache.hadoop.hbase.HBaseTestingUtility;
33 import org.apache.hadoop.hbase.HColumnDescriptor;
34 import org.apache.hadoop.hbase.HTableDescriptor;
35 import org.apache.hadoop.hbase.KeyValue;
36 import org.apache.hadoop.hbase.client.HBaseAdmin;
37 import org.apache.hadoop.hbase.client.HTable;
38 import org.apache.hadoop.hbase.io.hfile.CacheConfig;
39 import org.apache.hadoop.hbase.io.hfile.Compression;
40 import org.apache.hadoop.hbase.io.hfile.HFile;
41 import org.apache.hadoop.hbase.io.hfile.HFileScanner;
42 import org.apache.hadoop.hbase.regionserver.StoreFile.BloomType;
43 import org.apache.hadoop.hbase.util.Bytes;
44 import org.junit.*;
45
46
47
48
49
50
51 public class TestLoadIncrementalHFiles {
52 private static final byte[] QUALIFIER = Bytes.toBytes("myqual");
53 private static final byte[] FAMILY = Bytes.toBytes("myfam");
54
55 private static final byte[][] SPLIT_KEYS = new byte[][] {
56 Bytes.toBytes("ddd"),
57 Bytes.toBytes("ppp")
58 };
59
60 public static int BLOCKSIZE = 64*1024;
61 public static String COMPRESSION =
62 Compression.Algorithm.NONE.getName();
63
64 private static HBaseTestingUtility util = new HBaseTestingUtility();
65
66 @BeforeClass
67 public static void setUpBeforeClass() throws Exception {
68 util.startMiniCluster();
69 }
70
71 @AfterClass
72 public static void tearDownAfterClass() throws Exception {
73 util.shutdownMiniCluster();
74 }
75
76
77
78
79
80 @Test
81 public void testSimpleLoad() throws Exception {
82 runTest("testSimpleLoad", BloomType.NONE,
83 new byte[][][] {
84 new byte[][]{ Bytes.toBytes("aaaa"), Bytes.toBytes("cccc") },
85 new byte[][]{ Bytes.toBytes("ddd"), Bytes.toBytes("ooo") },
86 });
87 }
88
89
90
91
92
93 @Test
94 public void testRegionCrossingLoad() throws Exception {
95 runTest("testRegionCrossingLoad", BloomType.NONE,
96 new byte[][][] {
97 new byte[][]{ Bytes.toBytes("aaaa"), Bytes.toBytes("eee") },
98 new byte[][]{ Bytes.toBytes("fff"), Bytes.toBytes("zzz") },
99 });
100 }
101
102
103
104
105 @Test
106 public void testRegionCrossingRowBloom() throws Exception {
107 runTest("testRegionCrossingLoadRowBloom", BloomType.ROW,
108 new byte[][][] {
109 new byte[][]{ Bytes.toBytes("aaaa"), Bytes.toBytes("eee") },
110 new byte[][]{ Bytes.toBytes("fff"), Bytes.toBytes("zzz") },
111 });
112 }
113
114
115
116
117 @Test
118 public void testRegionCrossingRowColBloom() throws Exception {
119 runTest("testRegionCrossingLoadRowColBloom", BloomType.ROWCOL,
120 new byte[][][] {
121 new byte[][]{ Bytes.toBytes("aaaa"), Bytes.toBytes("eee") },
122 new byte[][]{ Bytes.toBytes("fff"), Bytes.toBytes("zzz") },
123 });
124 }
125
126 private void runTest(String testName, BloomType bloomType,
127 byte[][][] hfileRanges) throws Exception {
128 Path dir = util.getDataTestDir(testName);
129 FileSystem fs = util.getTestFileSystem();
130 dir = dir.makeQualified(fs);
131 Path familyDir = new Path(dir, Bytes.toString(FAMILY));
132
133 int hfileIdx = 0;
134 for (byte[][] range : hfileRanges) {
135 byte[] from = range[0];
136 byte[] to = range[1];
137 createHFile(util.getConfiguration(), fs, new Path(familyDir, "hfile_"
138 + hfileIdx++), FAMILY, QUALIFIER, from, to, 1000);
139 }
140 int expectedRows = hfileIdx * 1000;
141
142 final byte[] TABLE = Bytes.toBytes("mytable_"+testName);
143
144 HBaseAdmin admin = new HBaseAdmin(util.getConfiguration());
145 HTableDescriptor htd = new HTableDescriptor(TABLE);
146 HColumnDescriptor familyDesc = new HColumnDescriptor(FAMILY);
147 familyDesc.setBloomFilterType(bloomType);
148 htd.addFamily(familyDesc);
149 admin.createTable(htd, SPLIT_KEYS);
150
151 HTable table = new HTable(util.getConfiguration(), TABLE);
152 util.waitTableAvailable(TABLE, 30000);
153 LoadIncrementalHFiles loader = new LoadIncrementalHFiles(
154 util.getConfiguration());
155 loader.doBulkLoad(dir, table);
156
157 assertEquals(expectedRows, util.countRows(table));
158 }
159
160 @Test
161 public void testSplitStoreFile() throws IOException {
162 Path dir = util.getDataTestDir("testSplitHFile");
163 FileSystem fs = util.getTestFileSystem();
164 Path testIn = new Path(dir, "testhfile");
165 HColumnDescriptor familyDesc = new HColumnDescriptor(FAMILY);
166 createHFile(util.getConfiguration(), fs, testIn, FAMILY, QUALIFIER,
167 Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), 1000);
168
169 Path bottomOut = new Path(dir, "bottom.out");
170 Path topOut = new Path(dir, "top.out");
171
172 LoadIncrementalHFiles.splitStoreFile(
173 util.getConfiguration(), testIn,
174 familyDesc, Bytes.toBytes("ggg"),
175 bottomOut,
176 topOut);
177
178 int rowCount = verifyHFile(bottomOut);
179 rowCount += verifyHFile(topOut);
180 assertEquals(1000, rowCount);
181 }
182
183 private int verifyHFile(Path p) throws IOException {
184 Configuration conf = util.getConfiguration();
185 HFile.Reader reader = HFile.createReader(
186 p.getFileSystem(conf), p, new CacheConfig(conf));
187 reader.loadFileInfo();
188 HFileScanner scanner = reader.getScanner(false, false);
189 scanner.seekTo();
190 int count = 0;
191 do {
192 count++;
193 } while (scanner.next());
194 assertTrue(count > 0);
195 return count;
196 }
197
198
199
200
201
202
203
204 static void createHFile(
205 Configuration conf,
206 FileSystem fs, Path path,
207 byte[] family, byte[] qualifier,
208 byte[] startKey, byte[] endKey, int numRows) throws IOException
209 {
210 HFile.Writer writer =
211 HFile.getWriterFactory(conf, new CacheConfig(conf)).createWriter(fs, path,
212 BLOCKSIZE, COMPRESSION,
213 KeyValue.KEY_COMPARATOR);
214 long now = System.currentTimeMillis();
215 try {
216
217 for (byte[] key : Bytes.iterateOnSplits(startKey, endKey, numRows-2)) {
218 KeyValue kv = new KeyValue(key, family, qualifier, now, key);
219 writer.append(kv);
220 }
221 } finally {
222 writer.close();
223 }
224 }
225
226 private void addStartEndKeysForTest(TreeMap<byte[], Integer> map, byte[] first, byte[] last) {
227 Integer value = map.containsKey(first)?(Integer)map.get(first):0;
228 map.put(first, value+1);
229
230 value = map.containsKey(last)?(Integer)map.get(last):0;
231 map.put(last, value-1);
232 }
233
234 @Test
235 public void testInferBoundaries() {
236 TreeMap<byte[], Integer> map = new TreeMap<byte[], Integer>(Bytes.BYTES_COMPARATOR);
237
238
239
240
241
242
243
244
245
246
247
248 String first;
249 String last;
250
251 first = "a"; last = "e";
252 addStartEndKeysForTest(map, first.getBytes(), last.getBytes());
253
254 first = "r"; last = "s";
255 addStartEndKeysForTest(map, first.getBytes(), last.getBytes());
256
257 first = "o"; last = "p";
258 addStartEndKeysForTest(map, first.getBytes(), last.getBytes());
259
260 first = "g"; last = "k";
261 addStartEndKeysForTest(map, first.getBytes(), last.getBytes());
262
263 first = "v"; last = "x";
264 addStartEndKeysForTest(map, first.getBytes(), last.getBytes());
265
266 first = "c"; last = "i";
267 addStartEndKeysForTest(map, first.getBytes(), last.getBytes());
268
269 first = "m"; last = "q";
270 addStartEndKeysForTest(map, first.getBytes(), last.getBytes());
271
272 first = "s"; last = "t";
273 addStartEndKeysForTest(map, first.getBytes(), last.getBytes());
274
275 first = "u"; last = "w";
276 addStartEndKeysForTest(map, first.getBytes(), last.getBytes());
277
278 byte[][] keysArray = LoadIncrementalHFiles.inferBoundaries(map);
279 byte[][] compare = new byte[3][];
280 compare[0] = "m".getBytes();
281 compare[1] = "r".getBytes();
282 compare[2] = "u".getBytes();
283
284 assertEquals(keysArray.length, 3);
285
286 for (int row = 0; row<keysArray.length; row++){
287 assertArrayEquals(keysArray[row], compare[row]);
288 }
289 }
290
291 }