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17 package org.apache.hadoop.hbase.io.hfile;
18
19 import static org.junit.Assert.assertFalse;
20 import static org.junit.Assert.assertTrue;
21
22 import java.io.IOException;
23 import java.util.ArrayList;
24 import java.util.Arrays;
25 import java.util.Collection;
26 import java.util.List;
27 import java.util.Map;
28
29 import org.apache.hadoop.hbase.HBaseTestingUtility;
30 import org.apache.hadoop.hbase.HColumnDescriptor;
31 import org.apache.hadoop.hbase.MediumTests;
32 import org.apache.hadoop.hbase.client.Get;
33 import org.apache.hadoop.hbase.client.Put;
34 import org.apache.hadoop.hbase.io.compress.Compression;
35 import org.apache.hadoop.hbase.io.compress.Compression.Algorithm;
36 import org.apache.hadoop.hbase.io.hfile.BlockType.BlockCategory;
37 import org.apache.hadoop.hbase.regionserver.BloomType;
38 import org.apache.hadoop.hbase.regionserver.HRegion;
39 import org.apache.hadoop.hbase.util.Bytes;
40 import org.junit.Test;
41 import org.junit.experimental.categories.Category;
42 import org.junit.runner.RunWith;
43 import org.junit.runners.Parameterized;
44 import org.junit.runners.Parameterized.Parameters;
45
46
47
48
49
50
51 @Category(MediumTests.class)
52 @RunWith(Parameterized.class)
53 public class TestForceCacheImportantBlocks {
54
55 private final HBaseTestingUtility TEST_UTIL =
56 new HBaseTestingUtility();
57
58 private static final String TABLE = "myTable";
59 private static final String CF = "myCF";
60 private static final byte[] CF_BYTES = Bytes.toBytes(CF);
61 private static final int MAX_VERSIONS = 3;
62 private static final int NUM_HFILES = 5;
63
64 private static final int ROWS_PER_HFILE = 100;
65 private static final int NUM_ROWS = NUM_HFILES * ROWS_PER_HFILE;
66 private static final int NUM_COLS_PER_ROW = 50;
67 private static final int NUM_TIMESTAMPS_PER_COL = 50;
68
69
70 private static final int BLOCK_SIZE = 256;
71
72 private static final Algorithm COMPRESSION_ALGORITHM =
73 Compression.Algorithm.GZ;
74 private static final BloomType BLOOM_TYPE = BloomType.ROW;
75
76 private final int hfileVersion;
77 private final boolean cfCacheEnabled;
78
79 @Parameters
80 public static Collection<Object[]> parameters() {
81
82 return Arrays.asList(new Object[][] {
83 new Object[] { new Integer(2), false },
84 new Object[] { new Integer(2), true }
85 });
86 }
87
88 public TestForceCacheImportantBlocks(int hfileVersion,
89 boolean cfCacheEnabled) {
90 this.hfileVersion = hfileVersion;
91 this.cfCacheEnabled = cfCacheEnabled;
92 TEST_UTIL.getConfiguration().setInt(HFile.FORMAT_VERSION_KEY,
93 hfileVersion);
94 }
95
96 @Test
97 public void testCacheBlocks() throws IOException {
98
99 TEST_UTIL.getConfiguration().setInt(HFileBlockIndex.MAX_CHUNK_SIZE_KEY,
100 BLOCK_SIZE);
101
102
103 HColumnDescriptor hcd =
104 new HColumnDescriptor(Bytes.toBytes(CF))
105 .setMaxVersions(MAX_VERSIONS)
106 .setCompressionType(COMPRESSION_ALGORITHM)
107 .setBloomFilterType(BLOOM_TYPE);
108 hcd.setBlocksize(BLOCK_SIZE);
109 hcd.setBlockCacheEnabled(cfCacheEnabled);
110 HRegion region = TEST_UTIL.createTestRegion(TABLE, hcd);
111 writeTestData(region);
112
113 for (int i = 0; i < NUM_ROWS; ++i) {
114 Get get = new Get(Bytes.toBytes("row" + i));
115 region.get(get);
116 }
117
118 List<BlockCategory> importantBlockCategories =
119 new ArrayList<BlockCategory>();
120 importantBlockCategories.add(BlockCategory.BLOOM);
121 if (hfileVersion == 2) {
122
123 importantBlockCategories.add(BlockCategory.INDEX);
124 }
125 }
126
127
128 private void writeTestData(HRegion region) throws IOException {
129 for (int i = 0; i < NUM_ROWS; ++i) {
130 Put put = new Put(Bytes.toBytes("row" + i));
131 for (int j = 0; j < NUM_COLS_PER_ROW; ++j) {
132 for (long ts = 1; ts < NUM_TIMESTAMPS_PER_COL; ++ts) {
133 put.add(CF_BYTES, Bytes.toBytes("col" + j), ts,
134 Bytes.toBytes("value" + i + "_" + j + "_" + ts));
135 }
136 }
137 region.put(put);
138 if ((i + 1) % ROWS_PER_HFILE == 0) {
139 region.flushcache();
140 }
141 }
142 }
143
144 }
145