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19 package org.apache.hadoop.hbase.regionserver;
20
21 import com.google.common.collect.Lists;
22
23 import java.io.IOException;
24 import java.util.ArrayList;
25 import java.util.Arrays;
26 import java.util.List;
27
28 import org.apache.commons.logging.Log;
29 import org.apache.commons.logging.LogFactory;
30 import org.apache.hadoop.conf.Configuration;
31 import org.apache.hadoop.fs.FileSystem;
32 import org.apache.hadoop.fs.Path;
33 import org.apache.hadoop.hbase.HBaseTestingUtility;
34 import org.apache.hadoop.hbase.HColumnDescriptor;
35 import org.apache.hadoop.hbase.HConstants;
36 import org.apache.hadoop.hbase.HRegionInfo;
37 import org.apache.hadoop.hbase.HTableDescriptor;
38 import org.apache.hadoop.hbase.TableName;
39 import org.apache.hadoop.hbase.regionserver.compactions.CompactionConfiguration;
40 import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;
41 import org.apache.hadoop.hbase.regionserver.compactions.RatioBasedCompactionPolicy;
42 import org.apache.hadoop.hbase.regionserver.wal.FSHLog;
43 import org.apache.hadoop.hbase.testclassification.SmallTests;
44 import org.apache.hadoop.hbase.util.Bytes;
45 import org.apache.hadoop.hbase.util.FSUtils;
46 import org.junit.After;
47 import org.junit.Assert;
48 import org.junit.Before;
49 import org.junit.experimental.categories.Category;
50
51 @Category(SmallTests.class)
52 public class TestCompactionPolicy {
53 private final static Log LOG = LogFactory.getLog(TestDefaultCompactSelection.class);
54 protected final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
55
56 protected Configuration conf;
57 protected HStore store;
58 private static final String DIR = TEST_UTIL.getDataTestDir(
59 TestDefaultCompactSelection.class.getSimpleName()).toString();
60 protected static Path TEST_FILE;
61 protected static final int minFiles = 3;
62 protected static final int maxFiles = 5;
63
64 protected static final long minSize = 10;
65 protected static final long maxSize = 2100;
66
67 private FSHLog hlog;
68 private HRegion region;
69
70 @Before
71 public void setUp() throws Exception {
72 config();
73 initialize();
74 }
75
76
77
78
79 protected void config() {
80 this.conf = TEST_UTIL.getConfiguration();
81 this.conf.setLong(HConstants.MAJOR_COMPACTION_PERIOD, 0);
82 this.conf.setInt(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MIN_KEY, minFiles);
83 this.conf.setInt(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MAX_KEY, maxFiles);
84 this.conf.setLong(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MIN_SIZE_KEY, minSize);
85 this.conf.setLong(CompactionConfiguration.HBASE_HSTORE_COMPACTION_MAX_SIZE_KEY, maxSize);
86 this.conf.setFloat(CompactionConfiguration.HBASE_HSTORE_COMPACTION_RATIO_KEY, 1.0F);
87 }
88
89
90
91
92
93 protected void initialize() throws IOException {
94 Path basedir = new Path(DIR);
95 String logName = "logs";
96 Path logdir = new Path(DIR, logName);
97 HColumnDescriptor hcd = new HColumnDescriptor(Bytes.toBytes("family"));
98 FileSystem fs = FileSystem.get(conf);
99
100 fs.delete(logdir, true);
101
102 HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(Bytes.toBytes("table")));
103 htd.addFamily(hcd);
104 HRegionInfo info = new HRegionInfo(htd.getTableName(), null, null, false);
105
106 hlog = new FSHLog(fs, basedir, logName, conf);
107 region = HRegion.createHRegion(info, basedir, conf, htd, hlog);
108 region.close();
109 Path tableDir = FSUtils.getTableDir(basedir, htd.getTableName());
110 region = new HRegion(tableDir, hlog, fs, conf, info, htd, null);
111
112 store = new HStore(region, hcd, conf);
113
114 TEST_FILE = region.getRegionFileSystem().createTempName();
115 fs.createNewFile(TEST_FILE);
116 }
117
118 @After
119 public void tearDown() throws IOException {
120 IOException ex = null;
121 try {
122 region.close();
123 } catch (IOException e) {
124 LOG.warn("Caught Exception", e);
125 ex = e;
126 }
127 try {
128 hlog.close();
129 } catch (IOException e) {
130 LOG.warn("Caught Exception", e);
131 ex = e;
132 }
133 if (ex != null) {
134 throw ex;
135 }
136 }
137
138 ArrayList<Long> toArrayList(long... numbers) {
139 ArrayList<Long> result = new ArrayList<Long>();
140 for (long i : numbers) {
141 result.add(i);
142 }
143 return result;
144 }
145
146 List<StoreFile> sfCreate(long... sizes) throws IOException {
147 ArrayList<Long> ageInDisk = new ArrayList<Long>();
148 for (int i = 0; i < sizes.length; i++) {
149 ageInDisk.add(0L);
150 }
151 return sfCreate(toArrayList(sizes), ageInDisk);
152 }
153
154 List<StoreFile> sfCreate(ArrayList<Long> sizes, ArrayList<Long> ageInDisk) throws IOException {
155 return sfCreate(false, sizes, ageInDisk);
156 }
157
158 List<StoreFile> sfCreate(boolean isReference, long... sizes) throws IOException {
159 ArrayList<Long> ageInDisk = new ArrayList<Long>(sizes.length);
160 for (int i = 0; i < sizes.length; i++) {
161 ageInDisk.add(0L);
162 }
163 return sfCreate(isReference, toArrayList(sizes), ageInDisk);
164 }
165
166 List<StoreFile> sfCreate(boolean isReference, ArrayList<Long> sizes, ArrayList<Long> ageInDisk)
167 throws IOException {
168 List<StoreFile> ret = Lists.newArrayList();
169 for (int i = 0; i < sizes.size(); i++) {
170 ret.add(new MockStoreFile(TEST_UTIL, TEST_FILE, sizes.get(i), ageInDisk.get(i), isReference,
171 i));
172 }
173 return ret;
174 }
175
176 long[] getSizes(List<StoreFile> sfList) {
177 long[] aNums = new long[sfList.size()];
178 for (int i = 0; i < sfList.size(); ++i) {
179 aNums[i] = sfList.get(i).getReader().length();
180 }
181 return aNums;
182 }
183
184 void compactEquals(List<StoreFile> candidates, long... expected) throws IOException {
185 compactEquals(candidates, false, false, expected);
186 }
187
188 void compactEquals(List<StoreFile> candidates, boolean forcemajor, long... expected)
189 throws IOException {
190 compactEquals(candidates, forcemajor, false, expected);
191 }
192
193 void compactEquals(List<StoreFile> candidates, boolean forcemajor, boolean isOffPeak,
194 long... expected) throws IOException {
195 store.forceMajor = forcemajor;
196
197 CompactionRequest result =
198 ((RatioBasedCompactionPolicy) store.storeEngine.getCompactionPolicy()).selectCompaction(
199 candidates, new ArrayList<StoreFile>(), false, isOffPeak, forcemajor);
200 List<StoreFile> actual = new ArrayList<StoreFile>(result.getFiles());
201 if (isOffPeak && !forcemajor) {
202 Assert.assertTrue(result.isOffPeak());
203 }
204 Assert.assertEquals(Arrays.toString(expected), Arrays.toString(getSizes(actual)));
205 store.forceMajor = false;
206 }
207 }