org.apache.hadoop.mapred.JobConf
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## Class org.apache.hadoop.mapred.`JobConf`

Change from deprecated to undeprecated.

Added Methods
`Credentials` `getCredentials`() | Get credentials for the job.
`Pattern` `getJarUnpackPattern`() | Get the pattern for jar contents to unpack on the tasktracker
`void` `setUserClassesTakesPrecedence`(`boolean`) | Set the boolean property for specifying which classpath takes precedence - the user's one or the system one when the tasks are launched
`boolean` `userClassesTakesPrecedence`() | Get the boolean value for the property that specifies which classpath takes precedence when tasks are launched.

Added Fields
`String` `DEFAULT_MAPRED_TASK_JAVA_OPTS` |
`String` `JOB_LEVEL_AUTHORIZATION_ENABLING_FLAG` |
`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_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_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

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