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java.lang.Objectorg.apache.hadoop.mapreduce.server.tasktracker.Localizer
public class Localizer
NOTE: This class is internal only and not intended for users!!
| Nested Class Summary | |
|---|---|
static class |
Localizer.PermissionsHandler
NOTE: This class is internal only class and not intended for users!! |
| Constructor Summary | |
|---|---|
Localizer(FileSystem fileSys,
String[] lDirs,
TaskController tc)
Create a Localizer instance |
|
| Method Summary | |
|---|---|
void |
initializeAttemptDirs(String user,
String jobId,
String attemptId,
boolean isCleanupAttempt)
Create taskDirs on all the disks. |
void |
initializeJobDirs(String user,
JobID jobId)
Prepare the job directories for a given job. |
void |
initializeJobLogDir(JobID jobId)
Create job log directory and set appropriate permissions for the directory. |
void |
initializeUserDirs(String user)
Initialize the local directories for a particular user on this TT. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public Localizer(FileSystem fileSys,
String[] lDirs,
TaskController tc)
fileSys - lDirs - tc - | Method Detail |
|---|
public void initializeUserDirs(String user)
throws IOException
user -
IOException
public void initializeJobDirs(String user,
JobID jobId)
throws IOException
TaskController.initializeJob(JobInitializationContext) is run at a
later time to set proper private permissions on the job directories.
user - jobId -
IOException
public void initializeAttemptDirs(String user,
String jobId,
String attemptId,
boolean isCleanupAttempt)
throws IOException
user - jobId - attemptId - isCleanupAttempt -
IOExceptionpublic void initializeJobLogDir(JobID jobId)
jobId -
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