public class TezTask extends Task<TezWork>
Modifier and Type | Class and Description |
---|---|
class |
TezTask.SyncDagClient
DAG client that does dumb global sync on all the method calls;
Tez DAG client is not thread safe and getting the 2nd one is not recommended.
|
Task.FeedType, Task.TaskState
BACKUP_COMMON_JOIN, backupChildrenTasks, backupTask, childTasks, clonedConf, COMMON_JOIN, conf, console, CONVERTED_MAPJOIN, CONVERTED_MAPJOIN_LOCAL, CONVERTED_SORTMERGEJOIN, driverContext, feedSubscribers, HINTED_MAPJOIN, HINTED_MAPJOIN_LOCAL, id, jobID, LOG, MAPJOIN_ONLY_NOBACKUP, NO_TAG, parentTasks, queryDisplay, queryPlan, queryState, rootTask, taskCounters, taskHandle, taskTag, work
Modifier and Type | Method and Description |
---|---|
int |
execute(DriverContext driverContext)
This method is overridden in each Task.
|
Collection<MapWork> |
getMapWork() |
String |
getName()
Gets the name of the node.
|
Operator<? extends OperatorDesc> |
getReducer(MapWork mapWork) |
org.apache.tez.common.counters.TezCounters |
getTezCounters() |
StageType |
getType()
Should be overridden to return the type of the specific task among the types in StageType.
|
boolean |
isMapRedTask() |
static void |
setAccessControlsForCurrentUser(org.apache.tez.dag.api.DAG dag) |
void |
shutdown() |
addDependentTask, cloneConf, done, equals, executeTask, findLeafs, getAndInitBackupTask, getBackupChildrenTasks, getBackupTask, getChildren, getChildTasks, getCounters, getDependentTasks, getDiagnosticsMessage, getDriverContext, getExternalHandle, getFeedSubscribers, getHive, getId, getInitialized, getJobID, getNumChild, getNumParent, getParentTasks, getQueryPlan, getQueued, getStatusMessage, getTaskHandle, getTaskState, getTaskTag, getTopOperators, getWork, hashCode, hasReduce, ifRetryCmdWhenFail, initialize, isFetchSource, isLocalMode, isMapRedLocalTask, isRootTask, isRunnable, pushFeed, receiveFeed, removeDependentTask, removeFromChildrenTasks, requireLock, setBackupChildrenTasks, setBackupTask, setChildTasks, setConsole, setDiagnosticMessage, setDone, setDriverContext, setException, setFeedSubscribers, setFetchSource, setId, setInitialized, setLocalMode, setParentTasks, setQueryDisplay, setQueryPlan, setQueued, setRetryCmdWhenFail, setRootTask, setStarted, setState, setStatusMessage, setTaskTag, setWork, started, subscribeFeed, toString, updateStatusInQueryDisplay
public TezTask()
public TezTask(DagUtils utils)
public org.apache.tez.common.counters.TezCounters getTezCounters()
public int execute(DriverContext driverContext)
Task
public static void setAccessControlsForCurrentUser(org.apache.tez.dag.api.DAG dag)
public boolean isMapRedTask()
isMapRedTask
in class Task<TezWork>
public StageType getType()
Task
public String getName()
Node
public Collection<MapWork> getMapWork()
getMapWork
in class Task<TezWork>
public Operator<? extends OperatorDesc> getReducer(MapWork mapWork)
getReducer
in class Task<TezWork>
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