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MAPREDUCE-5245. Added back constants to JobConf to fix incompatibilities. Contributed by Zhijie Shen. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1489236 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Arun Murthy 2013-06-03 23:56:33 +00:00
parent 5cf48b4612
commit 72e1568be3
3 changed files with 135 additions and 11 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -490,6 +490,9 @@ Release 2.1.0-beta - UNRELEASED
MAPREDUCE-5296. Fix backward incompatibility for JobControl by adding the
omitted addJob. (Zhijie Shen via acmurthy)
MAPREDUCE-5245. Added back constants to JobConf to fix incompatibilities.
(Zhijie Shen via acmurthy)
BREAKDOWN OF HADOOP-8562 SUBTASKS
MAPREDUCE-4739. Some MapReduce tests fail to find winutils.

106
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobConf.java
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@ -20,9 +20,6 @@ package org.apache.hadoop.mapred;
import java.io.IOException;
import java.net.URL;
import java.net.URLDecoder;
import java.util.Enumeration;
import java.util.regex.Pattern;
import org.apache.commons.logging.Log;
@ -122,8 +119,8 @@ public class JobConf extends Configuration {
}
/**
* @deprecated Use {@link #MAPRED_JOB_MAP_MEMORY_MB_PROPERTY} and
* {@link #MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY}
* @deprecated Use {@link #MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY} and
* {@link #MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY}
*/
@Deprecated
public static final String MAPRED_TASK_MAXVMEM_PROPERTY =
@ -167,12 +164,28 @@ public class JobConf extends Configuration {
*/
public static final String DEFAULT_QUEUE_NAME = "default";
static final String MAPRED_JOB_MAP_MEMORY_MB_PROPERTY =
static final String MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY =
JobContext.MAP_MEMORY_MB;
static final String MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY =
static final String MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY =
JobContext.REDUCE_MEMORY_MB;
/**
* The variable is kept for M/R 1.x applications, while M/R 2.x applications
* should use {@link #MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY}
*/
@Deprecated
public static final String MAPRED_JOB_MAP_MEMORY_MB_PROPERTY =
"mapred.job.map.memory.mb";
/**
* The variable is kept for M/R 1.x applications, while M/R 2.x applications
* should use {@link #MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY}
*/
@Deprecated
public static final String MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY =
"mapred.job.reduce.memory.mb";
/** Pattern for the default unpacking behavior for job jars */
public static final Pattern UNPACK_JAR_PATTERN_DEFAULT =
Pattern.compile("(?:classes/|lib/).*");
@ -336,6 +349,65 @@ public class JobConf extends Configuration {
*/
public static final Level DEFAULT_LOG_LEVEL = Level.INFO;
/**
* The variable is kept for M/R 1.x applications, M/R 2.x applications should
* use {@link MRJobConfig#WORKFLOW_ID} instead
*/
@Deprecated
public static final String WORKFLOW_ID = MRJobConfig.WORKFLOW_ID;
/**
* The variable is kept for M/R 1.x applications, M/R 2.x applications should
* use {@link MRJobConfig#WORKFLOW_NAME} instead
*/
@Deprecated
public static final String WORKFLOW_NAME = MRJobConfig.WORKFLOW_NAME;
/**
* The variable is kept for M/R 1.x applications, M/R 2.x applications should
* use {@link MRJobConfig#WORKFLOW_NODE_NAME} instead
*/
@Deprecated
public static final String WORKFLOW_NODE_NAME =
MRJobConfig.WORKFLOW_NODE_NAME;
/**
* The variable is kept for M/R 1.x applications, M/R 2.x applications should
* use {@link MRJobConfig#WORKFLOW_ADJACENCY_PREFIX_STRING} instead
*/
@Deprecated
public static final String WORKFLOW_ADJACENCY_PREFIX_STRING =
MRJobConfig.WORKFLOW_ADJACENCY_PREFIX_STRING;
/**
* The variable is kept for M/R 1.x applications, M/R 2.x applications should
* use {@link MRJobConfig#WORKFLOW_ADJACENCY_PREFIX_PATTERN} instead
*/
@Deprecated
public static final String WORKFLOW_ADJACENCY_PREFIX_PATTERN =
MRJobConfig.WORKFLOW_ADJACENCY_PREFIX_PATTERN;
/**
* The variable is kept for M/R 1.x applications, M/R 2.x applications should
* use {@link MRJobConfig#WORKFLOW_TAGS} instead
*/
@Deprecated
public static final String WORKFLOW_TAGS = MRJobConfig.WORKFLOW_TAGS;
/**
* The variable is kept for M/R 1.x applications, M/R 2.x applications should
* not use it
*/
@Deprecated
public static final String MAPREDUCE_RECOVER_JOB =
"mapreduce.job.restart.recover";
/**
* The variable is kept for M/R 1.x applications, M/R 2.x applications should
* not use it
*/
@Deprecated
public static final boolean DEFAULT_MAPREDUCE_RECOVER_JOB = true;
/**
* Construct a map/reduce job configuration.
@ -1695,6 +1767,12 @@ public class JobConf extends Configuration {
*/
public long getMemoryForMapTask() {
long value = getDeprecatedMemoryValue();
if (value == DISABLED_MEMORY_LIMIT) {
value = normalizeMemoryConfigValue(
getLong(JobConf.MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY,
DISABLED_MEMORY_LIMIT));
}
// In case that M/R 1.x applications use the old property name
if (value == DISABLED_MEMORY_LIMIT) {
value = normalizeMemoryConfigValue(
getLong(JobConf.MAPRED_JOB_MAP_MEMORY_MB_PROPERTY,
@ -1704,6 +1782,8 @@ public class JobConf extends Configuration {
}
public void setMemoryForMapTask(long mem) {
setLong(JobConf.MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY, mem);
// In case that M/R 1.x applications use the old property name
setLong(JobConf.MAPRED_JOB_MAP_MEMORY_MB_PROPERTY, mem);
}
@ -1722,6 +1802,12 @@ public class JobConf extends Configuration {
*/
public long getMemoryForReduceTask() {
long value = getDeprecatedMemoryValue();
if (value == DISABLED_MEMORY_LIMIT) {
value = normalizeMemoryConfigValue(
getLong(JobConf.MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY,
DISABLED_MEMORY_LIMIT));
}
// In case that M/R 1.x applications use the old property name
if (value == DISABLED_MEMORY_LIMIT) {
value = normalizeMemoryConfigValue(
getLong(JobConf.MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY,
@ -1745,6 +1831,8 @@ public class JobConf extends Configuration {
}
public void setMemoryForReduceTask(long mem) {
setLong(JobConf.MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY, mem);
// In case that M/R 1.x applications use the old property name
setLong(JobConf.MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY, mem);
}
@ -1927,8 +2015,8 @@ public class JobConf extends Configuration {
private void checkAndWarnDeprecation() {
if(get(JobConf.MAPRED_TASK_MAXVMEM_PROPERTY) != null) {
LOG.warn(JobConf.deprecatedString(JobConf.MAPRED_TASK_MAXVMEM_PROPERTY)
+ " Instead use " + JobConf.MAPRED_JOB_MAP_MEMORY_MB_PROPERTY
+ " and " + JobConf.MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY);
+ " Instead use " + JobConf.MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY
+ " and " + JobConf.MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY);
}
if(get(JobConf.MAPRED_TASK_ULIMIT) != null ) {
LOG.warn(JobConf.deprecatedString(JobConf.MAPRED_TASK_ULIMIT));

33
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapred/TestJobConf.java
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@ -22,6 +22,7 @@ import java.util.regex.Pattern;
import static org.junit.Assert.*;
import org.apache.hadoop.fs.Path;
import org.junit.Assert;
import org.junit.Test;
/**
@ -152,4 +153,36 @@ public class TestJobConf {
JobConf.deprecatedString("key"));
}
/**
* Ensure that M/R 1.x applications can get and set task virtual memory with
* old property names
*/
@SuppressWarnings("deprecation")
@Test (timeout = 1000)
public void testDeprecatedPropertyNameForTaskVmem() {
JobConf configuration = new JobConf();
configuration.setLong(JobConf.MAPRED_JOB_MAP_MEMORY_MB_PROPERTY, 1024);
configuration.setLong(JobConf.MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY, 1024);
Assert.assertEquals(1024, configuration.getMemoryForMapTask());
Assert.assertEquals(1024, configuration.getMemoryForReduceTask());
// Make sure new property names aren't broken by the old ones
configuration.setLong(JobConf.MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY, 1025);
configuration.setLong(JobConf.MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY, 1025);
Assert.assertEquals(1025, configuration.getMemoryForMapTask());
Assert.assertEquals(1025, configuration.getMemoryForReduceTask());
configuration.setMemoryForMapTask(2048);
configuration.setMemoryForReduceTask(2048);
Assert.assertEquals(2048, configuration.getLong(
JobConf.MAPRED_JOB_MAP_MEMORY_MB_PROPERTY, -1));
Assert.assertEquals(2048, configuration.getLong(
JobConf.MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY, -1));
// Make sure new property names aren't broken by the old ones
Assert.assertEquals(2048, configuration.getLong(
JobConf.MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY, -1));
Assert.assertEquals(2048, configuration.getLong(
JobConf.MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY, -1));
}
}