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Class org.apache.hadoop.mapred.JobTracker

Added interfaces org.apache.hadoop.mapred.AdminOperationsProtocol, org.apache.hadoop.mapred.JobTrackerMXBean, org.apache.hadoop.security.RefreshUserMappingsProtocol, org.apache.hadoop.tools.GetUserMappingsProtocol.

Removed Methods
JobStatus submitJob(JobID) JobTracker.submitJob() kicks off a new job.
 

Added Methods
void cancelDelegationToken(Token) Discard a current delegation token.
String getAliveNodesInfoJson()  
String getBlacklistedNodesInfoJson()  
Clock getClock()  
ClusterMetrics getClusterMetrics()  
List getCompletedJobs()  
JobConf getConf() Returns a handle to the JobTracker's Configuration
String getConfigVersion()  
Token getDelegationToken(Text) Get a new delegation token.
DelegationTokenSecretManager getDelegationTokenSecretManager()  
List getFailedJobs()  
String[] getGroupsForUser(String)  
String getHostname()  
QueueAclsInfo[] getQueueAclsForCurrentUser()  
AccessControlList getQueueAdmins(String) @see org.apache.hadoop.mapred.JobSubmissionProtocol#getQueueAdmins(String)
String getQueueInfoJson()  
String getStagingAreaDir() @see org.apache.hadoop.mapred.JobSubmissionProtocol#getStagingAreaDir()
String getSummaryJson()  
TaskTrackerStatus getTaskTrackerStatus(String)  
int getThreadCount()  
String getVIVersion()  
String getVersion()  
void refreshNodes() Rereads the config to get hosts and exclude list file names.
void refreshQueues()  
void refreshSuperUserGroupsConfiguration()  
void refreshUserToGroupsMappings()  
long renewDelegationToken(Token) Renew a delegation token to extend its lifetime.
JobStatus submitJob(JobID, String, Credentials) JobTracker.submitJob() kicks off a new job.
JobStatus submitJob(JobID, String, UserGroupInformation, Credentials, boolean) JobTracker.submitJob() kicks off a new job.
 

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.
 
 

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  
String MAPRED_CLUSTER_MAP_MEMORY_MB_PROPERTY  
String MAPRED_CLUSTER_REDUCE_MEMORY_MB_PROPERTY  
String MAX_USER_JOBCONF_SIZE_KEY the config key for max user jobconf size