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HBASE-25970 MOB data loss - incorrect concatenation of MOB_FILE_REFS (#3355) 

Signed-off-by: Wellington Chevreuil <wchevreuil@apache.org>
Signed-off-by: Pankaj Kumar<pankajkumar@apache.org>
This commit is contained in:
Peter Somogyi 2021-06-05 08:57:26 +02:00
parent 1986a6ec31
commit 1176b484d1
2 changed files with 98 additions and 6 deletions
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12
hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
View File

@ -737,20 +737,20 @@ public final class MobUtils {
StringBuilder sb = new StringBuilder(100 + mobRefSet.size() * 105);
boolean doubleSlash = false;
for (TableName tableName : mobRefSet.keySet()) {
if (doubleSlash) {
sb.append("//");
} else {
doubleSlash = true;
}
sb.append(tableName).append("/");
boolean comma = false;
for (String refs : mobRefSet.get(tableName)) {
sb.append(refs);
if (comma) {
sb.append(",");
} else {
comma = true;
}
}
if (doubleSlash) {
sb.append("//");
} else {
doubleSlash = true;
sb.append(refs);
}
}
return Bytes.toBytes(sb.toString());

92
hbase-server/src/test/java/org/apache/hadoop/hbase/mob/TestMobUtils.java Normal file
View File

@ -0,0 +1,92 @@
/*
* 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.hbase.mob;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableSet;
import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableSetMultimap;
@Category(SmallTests.class)
public class TestMobUtils {
@ClassRule
public static final HBaseClassTestRule CLASS_RULE =
HBaseClassTestRule.forClass(TestMobUtils.class);
public static final TableName TEST_TABLE_1 = TableName.valueOf("testTable1");
public static final TableName TEST_TABLE_2 = TableName.valueOf("testTable2");
public static final TableName TEST_TABLE_3 = TableName.valueOf("testTable3");
@Test
public void serializeSingleMobFileRefs() {
ImmutableSetMultimap<TableName, String> mobRefSet =
ImmutableSetMultimap.<TableName, String> builder().putAll(TEST_TABLE_1, "file1a").build();
byte[] result = MobUtils.serializeMobFileRefs(mobRefSet);
assertEquals("testTable1/file1a", Bytes.toString(result));
}
@Test
public void serializeMultipleMobFileRefs() {
ImmutableSetMultimap<TableName, String> mobRefSet =
ImmutableSetMultimap.<TableName, String> builder().putAll(TEST_TABLE_1, "file1a", "file1b")
.putAll(TEST_TABLE_2, "file2a").putAll(TEST_TABLE_3, "file3a", "file3b").build();
byte[] result = MobUtils.serializeMobFileRefs(mobRefSet);
assertEquals("testTable1/file1a,file1b//testTable2/file2a//testTable3/file3a,file3b",
Bytes.toString(result));
}
@Test
public void deserializeSingleMobFileRefs() {
ImmutableSetMultimap<TableName, String> mobRefSet =
MobUtils.deserializeMobFileRefs(Bytes.toBytes("testTable1/file1a")).build();
assertEquals(1, mobRefSet.size());
ImmutableSet<String> testTable1Refs = mobRefSet.get(TEST_TABLE_1);
assertEquals(1, testTable1Refs.size());
assertTrue(testTable1Refs.contains("file1a"));
}
@Test
public void deserializeMultipleMobFileRefs() {
ImmutableSetMultimap<TableName,
String> mobRefSet = MobUtils
.deserializeMobFileRefs(
Bytes.toBytes("testTable1/file1a,file1b//testTable2/file2a//testTable3/file3a,file3b"))
.build();
assertEquals(5, mobRefSet.size());
ImmutableSet<String> testTable1Refs = mobRefSet.get(TEST_TABLE_1);
ImmutableSet<String> testTable2Refs = mobRefSet.get(TEST_TABLE_2);
ImmutableSet<String> testTable3Refs = mobRefSet.get(TEST_TABLE_3);
assertEquals(2, testTable1Refs.size());
assertEquals(1, testTable2Refs.size());
assertEquals(2, testTable3Refs.size());
assertTrue(testTable1Refs.contains("file1a"));
assertTrue(testTable1Refs.contains("file1b"));
assertTrue(testTable2Refs.contains("file2a"));
assertTrue(testTable3Refs.contains("file3a"));
assertTrue(testTable3Refs.contains("file3b"));
}
}