/
TestStripedINodeFile.java
232 lines (213 loc) · 9.5 KB
/
TestStripedINodeFile.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hdfs.server.namenode;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.fs.permission.PermissionStatus;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoStriped;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoStripedUnderConstruction;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockStoragePolicySuite;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants;
import org.apache.hadoop.io.erasurecode.ECSchema;
import org.junit.Test;
/**
* This class tests INodeFile with striped feature.
*/
public class TestStripedINodeFile {
public static final Log LOG = LogFactory.getLog(TestINodeFile.class);
private static final PermissionStatus perm = new PermissionStatus(
"userName", null, FsPermission.getDefault());
private final BlockStoragePolicySuite defaultSuite =
BlockStoragePolicySuite.createDefaultSuite();
private final BlockStoragePolicy defaultPolicy =
defaultSuite.getDefaultPolicy();
private static INodeFile createStripedINodeFile() {
return new INodeFile(HdfsConstants.GRANDFATHER_INODE_ID, null, perm, 0L, 0L,
null, (short)0, 1024L, HdfsServerConstants.COLD_STORAGE_POLICY_ID);
}
@Test
public void testBlockStripedFeature()
throws IOException, InterruptedException{
INodeFile inf = createStripedINodeFile();
inf.addStripedBlocksFeature();
assertTrue(inf.isStriped());
}
@Test
public void testBlockStripedTotalBlockCount() {
ECSchema defaultSchema = ErasureCodingSchemaManager.getSystemDefaultSchema();
Block blk = new Block(1);
BlockInfoStriped blockInfoStriped
= new BlockInfoStriped(blk,
(short)defaultSchema.getNumDataUnits(),
(short)defaultSchema.getNumParityUnits());
assertEquals(9, blockInfoStriped.getTotalBlockNum());
}
@Test
public void testBlockStripedLength()
throws IOException, InterruptedException {
ECSchema defaultSchema = ErasureCodingSchemaManager.getSystemDefaultSchema();
INodeFile inf = createStripedINodeFile();
inf.addStripedBlocksFeature();
Block blk = new Block(1);
BlockInfoStriped blockInfoStriped
= new BlockInfoStriped(blk,
(short)defaultSchema.getNumDataUnits(),
(short)defaultSchema.getNumParityUnits());
inf.addBlock(blockInfoStriped);
assertEquals(1, inf.getBlocks().length);
}
@Test
public void testBlockStripedConsumedSpace()
throws IOException, InterruptedException {
ECSchema defaultSchema = ErasureCodingSchemaManager.getSystemDefaultSchema();
INodeFile inf = createStripedINodeFile();
inf.addStripedBlocksFeature();
Block blk = new Block(1);
BlockInfoStriped blockInfoStriped
= new BlockInfoStriped(blk,
(short)defaultSchema.getNumDataUnits(),
(short)defaultSchema.getNumParityUnits());
blockInfoStriped.setNumBytes(1);
inf.addBlock(blockInfoStriped);
// 0. Calculate the total bytes per stripes <Num Bytes per Stripes>
// 1. Calculate the number of stripes in this block group. <Num Stripes>
// 2. Calculate the last remaining length which does not make a stripe. <Last Stripe Length>
// 3. Total consumed space is the total of
// a. The total of the full cells of data blocks and parity blocks.
// b. The remaining of data block which does not make a stripe.
// c. The last parity block cells. These size should be same
// to the first cell in this stripe.
// So the total consumed space is the sum of
// a. <Cell Size> * (<Num Stripes> - 1) * <Total Block Num> = 0
// b. <Num Bytes> % <Num Bytes per Stripes> = 1
// c. <Last Stripe Length> * <Parity Block Num> = 1 * 3
assertEquals(4, inf.storagespaceConsumedWithStriped().getStorageSpace());
assertEquals(4, inf.storagespaceConsumed(defaultPolicy).getStorageSpace());
}
@Test
public void testMultipleBlockStripedConsumedSpace()
throws IOException, InterruptedException {
ECSchema defaultSchema = ErasureCodingSchemaManager.getSystemDefaultSchema();
INodeFile inf = createStripedINodeFile();
inf.addStripedBlocksFeature();
Block blk1 = new Block(1);
BlockInfoStriped blockInfoStriped1
= new BlockInfoStriped(blk1,
(short)defaultSchema.getNumDataUnits(),
(short)defaultSchema.getNumParityUnits());
blockInfoStriped1.setNumBytes(1);
Block blk2 = new Block(2);
BlockInfoStriped blockInfoStriped2
= new BlockInfoStriped(blk2,
(short)defaultSchema.getNumDataUnits(),
(short)defaultSchema.getNumParityUnits());
blockInfoStriped2.setNumBytes(1);
inf.addBlock(blockInfoStriped1);
inf.addBlock(blockInfoStriped2);
// This is the double size of one block in above case.
assertEquals(4 * 2, inf.storagespaceConsumedWithStriped().getStorageSpace());
assertEquals(4 * 2, inf.storagespaceConsumed(defaultPolicy).getStorageSpace());
}
@Test
public void testBlockStripedFileSize()
throws IOException, InterruptedException {
ECSchema defaultSchema = ErasureCodingSchemaManager.getSystemDefaultSchema();
INodeFile inf = createStripedINodeFile();
inf.addStripedBlocksFeature();
Block blk = new Block(1);
BlockInfoStriped blockInfoStriped
= new BlockInfoStriped(blk,
(short)defaultSchema.getNumDataUnits(),
(short)defaultSchema.getNumParityUnits());
blockInfoStriped.setNumBytes(100);
inf.addBlock(blockInfoStriped);
// Compute file size should return actual data
// size which is retained by this file.
assertEquals(100, inf.computeFileSize());
assertEquals(100, inf.computeFileSize(false, false));
}
@Test
public void testBlockStripedUCFileSize()
throws IOException, InterruptedException {
ECSchema defaultSchema = ErasureCodingSchemaManager.getSystemDefaultSchema();
INodeFile inf = createStripedINodeFile();
inf.addStripedBlocksFeature();
Block blk = new Block(1);
BlockInfoStripedUnderConstruction bInfoStripedUC
= new BlockInfoStripedUnderConstruction(blk,
(short)defaultSchema.getNumDataUnits(),
(short)defaultSchema.getNumParityUnits());
bInfoStripedUC.setNumBytes(100);
inf.addBlock(bInfoStripedUC);
assertEquals(100, inf.computeFileSize());
assertEquals(0, inf.computeFileSize(false, false));
}
@Test
public void testBlockStripedComputeQuotaUsage()
throws IOException, InterruptedException {
ECSchema defaultSchema = ErasureCodingSchemaManager.getSystemDefaultSchema();
INodeFile inf = createStripedINodeFile();
inf.addStripedBlocksFeature();
Block blk = new Block(1);
BlockInfoStriped blockInfoStriped
= new BlockInfoStriped(blk,
(short)defaultSchema.getNumDataUnits(),
(short)defaultSchema.getNumParityUnits());
blockInfoStriped.setNumBytes(100);
inf.addBlock(blockInfoStriped);
QuotaCounts counts =
inf.computeQuotaUsageWithStriped(defaultPolicy,
new QuotaCounts.Builder().build());
assertEquals(1, counts.getNameSpace());
// The total consumed space is the sum of
// a. <Cell Size> * (<Num Stripes> - 1) * <Total Block Num> = 0
// b. <Num Bytes> % <Num Bytes per Stripes> = 100
// c. <Last Stripe Length> * <Parity Block Num> = 100 * 3
assertEquals(400, counts.getStorageSpace());
}
@Test
public void testBlockStripedUCComputeQuotaUsage()
throws IOException, InterruptedException {
ECSchema defaultSchema = ErasureCodingSchemaManager.getSystemDefaultSchema();
INodeFile inf = createStripedINodeFile();
inf.addStripedBlocksFeature();
Block blk = new Block(1);
BlockInfoStripedUnderConstruction bInfoStripedUC
= new BlockInfoStripedUnderConstruction(blk,
(short)defaultSchema.getNumDataUnits(),
(short)defaultSchema.getNumParityUnits());
bInfoStripedUC.setNumBytes(100);
inf.addBlock(bInfoStripedUC);
QuotaCounts counts
= inf.computeQuotaUsageWithStriped(defaultPolicy,
new QuotaCounts.Builder().build());
assertEquals(1024, inf.getPreferredBlockSize());
assertEquals(1, counts.getNameSpace());
// Consumed space in the case of BlockInfoStripedUC can be calculated
// by using preferred block size. This is 1024 and total block num
// is 9(= 3 + 6). Consumed storage space should be 1024 * 9 = 9216.
assertEquals(9216, counts.getStorageSpace());
}
}