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| Added Methods | |
Credentials getCredentials() |
Get credentials for the job. |
Pattern getJarUnpackPattern() |
Get the pattern for jar contents to unpack on the tasktracker |
int getMaxMapsPerNode() |
Get the per-node limit on running maps for the job |
long getMaxPhysicalMemoryForTask() |
@deprecated this variable is deprecated and nolonger in use. |
int getMaxReducesPerNode() |
Get the per-node limit on running reduces for the job |
long getMaxVirtualMemoryForTask() |
Get the memory required to run a task of this job in bytes. |
long getMemoryForMapTask() |
Get memory required to run a map task of the job in MB. |
long getMemoryForReduceTask() |
Get memory required to run a reduce task of the job in MB. |
int getRunningMapLimit() |
Get the cluster-wide limit on running maps for the job |
int getRunningReduceLimit() |
Get the cluster-wide limit on running reduces for the job |
boolean getUseNewMapper() |
Should the framework use the new context-object code for running the mapper |
boolean getUseNewReducer() |
Should the framework use the new context-object code for running the reducer |
long normalizeMemoryConfigValue(long) |
Normalize the negative values in configuration |
void setMaxMapsPerNode(int) |
Set the per-node limit on running maps for the job |
void setMaxPhysicalMemoryForTask(long) |
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void setMaxReducesPerNode(int) |
Set the per-node limit on running reduces for the job |
void setMaxVirtualMemoryForTask(long) |
Set the maximum amount of memory any task of this job can use. |
void setMemoryForMapTask(long) |
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void setMemoryForReduceTask(long) |
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void setRunningMapLimit(int) |
Set the cluster-wide limit on running maps for the job |
void setRunningReduceLimit(int) |
Set the cluster-wide limit on running reduces for the job |
void setUseNewMapper(boolean) |
Set whether the framework should use the new api for the mapper. |
void setUseNewReducer(boolean) |
Set whether the framework should use the new api for the reducer. |
| Changed Methods | ||
Class getCombinerClass() |
Change in return type from (Class, extends, Reducer>) to Class. |
Get the user-defined combiner class used to combine map-outputs before being sent to the reducers. |
Class getMapOutputCompressorClass(Class) |
Change in return type from (Class, extends, CompressionCodec>) to Class.Change in signature from ( Class, extends, CompressionCodec>) to Class. |
Get the CompressionCodec for compressing the map outputs. |
Class getMapOutputKeyClass() |
Change in return type from Class> to Class. |
Get the key class for the map output data. |
Class getMapOutputValueClass() |
Change in return type from Class> to Class. |
Get the value class for the map output data. |
Class getMapRunnerClass() |
Change in return type from (Class, extends, MapRunnable>) to Class. |
Get the MapRunnable class for the job. |
Class getMapperClass() |
Change in return type from (Class, extends, Mapper>) to Class. |
Get the Mapper class for the job. |
Class getOutputKeyClass() |
Change in return type from Class> to Class. |
Get the key class for the job output data. |
Class getOutputValueClass() |
Change in return type from Class> to Class. |
Get the value class for job outputs. |
Class getPartitionerClass() |
Change in return type from (Class, extends, Partitioner>) to Class. |
Get the Partitioner used to partition t be sent to the @retur the Partitioner used to partition map-outputs. |
Class getReducerClass() |
Change in return type from (Class, extends, Reducer>) to Class. |
Get the Reducer class for the job. |
void setCombinerClass(Class) |
Change in signature from (Class, extends, Reducer>) to Class. |
Set the user-defined combiner class used to combine map-outputs before being sent to the reducers. |
void setInputFormat(Class) |
Change in signature from (Class, extends, InputFormat>) to Class. |
Set the InputFormat implementation for the map-reduce job. |
void setMapOutputCompressorClass(Class) |
Change in signature from (Class, extends, CompressionCodec>) to Class. |
Set the given class as the CompressionCodec for the map outputs. |
void setMapOutputKeyClass(Class) |
Change in signature from Class> to Class. |
Set the key class for the map output data. |
void setMapOutputValueClass(Class) |
Change in signature from Class> to Class. |
Set the value class for the map output data. |
void setMapRunnerClass(Class) |
Change in signature from (Class, extends, MapRunnable>) to Class. |
Expert: Set the MapRunnable class for the job. |
void setMapperClass(Class) |
Change in signature from (Class, extends, Mapper>) to Class. |
Set the Mapper class for the job. |
void setOutputCommitter(Class) |
Change in signature from (Class, extends, OutputCommitter>) to Class. |
Set the OutputCommitter implementation for the map-reduce job. |
void setOutputFormat(Class) |
Change in signature from (Class, extends, OutputFormat>) to Class. |
Set the OutputFormat implementation for the map-reduce job. |
void setOutputKeyClass(Class) |
Change in signature from Class> to Class. |
Set the key class for the job output data. |
void setOutputKeyComparatorClass(Class) |
Change in signature from (Class, extends, RawComparator>) to Class. |
Set the RawComparator comparator used to compare keys. |
void setOutputValueClass(Class) |
Change in signature from Class> to Class. |
Set the value class for job outputs. |
void setOutputValueGroupingComparator(Class) |
Change in signature from (Class, extends, RawComparator>) to Class. |
Set the user defined RawComparator comparator for grouping keys in the input to the reduce. |
void setPartitionerClass(Class) |
Change in signature from (Class, extends, Partitioner>) to Class. |
Set the Partitioner class used to partition t be sent to the @para theClass the Partitioner used to partition map-outputs. |
void setReducerClass(Class) |
Change in signature from (Class, extends, Reducer>) to Class. |
Set the Reducer class for the job. |
| Added Fields | |
String DEFAULT_MAPRED_TASK_JAVA_OPTS |
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long DISABLED_MEMORY_LIMIT |
A value which if set for memory related configuration options indicates that the options are turned off. |
String JOB_LEVEL_AUTHORIZATION_ENABLING_FLAG |
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String MAPRED_LOCAL_DIR_PROPERTY |
Property name for the configuration property mapred.local.dir |
String MAPRED_MAP_TASK_ENV |
Configuration key to set the maximum virutal memory available to the map tasks. |
String MAPRED_MAP_TASK_JAVA_OPTS |
Configuration key to set the java command line options for the map tasks. |
String MAPRED_MAP_TASK_ULIMIT |
Configuration key to set the maximum virutal memory available to the map tasks (in kilo-bytes). |
String MAPRED_REDUCE_TASK_ENV |
Configuration key to set the maximum virutal memory available to the reduce tasks. |
String MAPRED_REDUCE_TASK_JAVA_OPTS |
Configuration key to set the java command line options for the reduce tasks. |
String MAPRED_REDUCE_TASK_ULIMIT |
Configuration key to set the maximum virutal memory available to the reduce tasks (in kilo-bytes). |
String MAPRED_TASK_DEFAULT_MAXVMEM_PROPERTY |
@deprecated |
String MAPRED_TASK_ENV |
Configuration key to set the environment of the child map/reduce tasks. |
String MAPRED_TASK_JAVA_OPTS |
Configuration key to set the java command line options for the child map and reduce tasks. |
String MAPRED_TASK_MAXPMEM_PROPERTY |
@deprecated |
String MAPRED_TASK_MAXVMEM_PROPERTY |
@deprecated Use #MAPRED_JOB_MAP_MEMORY_MB_PROPERTY and #MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY |
String MAPRED_TASK_ULIMIT |
Configuration key to set the maximum virutal memory available to the child map and reduce tasks (in kilo-bytes). |
Pattern UNPACK_JAR_PATTERN_DEFAULT |
Pattern for the default unpacking behavior for job jars |
String UPPER_LIMIT_ON_TASK_VMEM_PROPERTY |
@deprecated |
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