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Class org.apache.hadoop.mapred.JobTracker

Added interfaces org.apache.hadoop.mapred.AdminOperationsProtocol, org.apache.hadoop.security.RefreshUserMappingsProtocol.

Added Methods
void cancelDelegationToken(Token) Discard a current delegation token.
Clock getClock()  
ClusterMetrics getClusterMetrics()  
List getCompletedJobs()  
JobConf getConf() Returns a handle to the JobTracker's Configuration
Token getDelegationToken(Text) Get a new delegation token.
DelegationTokenSecretManager getDelegationTokenSecretManager()  
List getFailedJobs()  
QueueAclsInfo[] getQueueAclsForCurrentUser()  
AccessControlList getQueueAdmins(String) @see org.apache.hadoop.mapred.JobSubmissionProtocol#getQueueAdmins(String)
String getStagingAreaDir() @see org.apache.hadoop.mapred.JobSubmissionProtocol#getStagingAreaDir()
TaskTrackerStatus getTaskTrackerStatus(String)  
void refreshNodes() Rereads the config to get hosts and exclude list file names.
void refreshQueueAcls()  
void refreshSuperUserGroupsConfiguration()  
void refreshUserToGroupsMappings()  
long renewDelegationToken(Token) Renew a delegation token to extend its lifetime.
 

Changed Methods
TaskReport[] getCleanupTaskReports(JobID) Change in exceptions thrown from no exceptions to java.io.IOException.
 
Counters getJobCounters(JobID) Change in exceptions thrown from no exceptions to java.io.IOException.
 
TaskReport[] getMapTaskReports(JobID) Change in exceptions thrown from no exceptions to java.io.IOException.
 
TaskReport[] getReduceTaskReports(JobID) Change in exceptions thrown from no exceptions to java.io.IOException.
 
TaskReport[] getSetupTaskReports(JobID) Change in exceptions thrown from no exceptions to java.io.IOException.
 
TaskTracker getTaskTracker(String) Change in return type from TaskTrackerStatus to TaskTracker.
 
JobStatus submitJob(JobID, String, Credentials) Change in signature from JobID to (JobID, String, Credentials).
JobTracker.submitJob() kicks off a new job.
 

Added Fields
long DELEGATION_KEY_UPDATE_INTERVAL_DEFAULT  
String DELEGATION_KEY_UPDATE_INTERVAL_KEY  
long DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT  
String DELEGATION_TOKEN_MAX_LIFETIME_KEY  
long DELEGATION_TOKEN_RENEW_INTERVAL_DEFAULT  
String DELEGATION_TOKEN_RENEW_INTERVAL_KEY  
String JT_KEYTAB_FILE  
String JT_USER_NAME