org.apache.hadoop.hive.ql.txn.compactor

Class Initiator

java.lang.Object

java.lang.Thread

org.apache.hadoop.hive.ql.txn.compactor.CompactorThread

org.apache.hadoop.hive.ql.txn.compactor.MetaStoreCompactorThread

org.apache.hadoop.hive.ql.txn.compactor.Initiator

All Implemented Interfaces:

Runnable, org.apache.hadoop.conf.Configurable, MetaStoreThread

public class Initiator
extends MetaStoreCompactorThread

A class to initiate compactions. This will run in a separate thread. It's critical that there exactly 1 of these in a given warehouse.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.txn.compactor.MetaStoreCompactorThread

cycleUpdaterExecutorService, txnHandler

Fields inherited from class org.apache.hadoop.hive.ql.txn.compactor.CompactorThread

conf, hostName, runtimeVersion, stop

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
Initiator()

Method Summary

Modifier and Type	Method and Description
void	init(AtomicBoolean stop)
protected String	resolveUserToRunAs(Map<String,String> cache, org.apache.hadoop.hive.metastore.api.Table t, org.apache.hadoop.hive.metastore.api.Partition p)
void	run()

Methods inherited from class org.apache.hadoop.hive.ql.txn.compactor.MetaStoreCompactorThread

startCycleUpdater, stopCycleUpdater, updateCycleDurationMetric

Methods inherited from class org.apache.hadoop.hive.ql.txn.compactor.CompactorThread

createLockRequest, getConf, getRuntimeVersion, initializeAndStartThread, isMinorCompactionSupported, replIsCompactionDisabledForTable, resolvePartition, resolveStorageDescriptor, runJobAsSelf, setConf, tableName

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.hadoop.hive.metastore.MetaStoreThread

start

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Constructor Detail

Initiator

public Initiator()

Method Detail

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

resolveUserToRunAs

protected String resolveUserToRunAs(Map<String,String> cache,
                                    org.apache.hadoop.hive.metastore.api.Table t,
                                    org.apache.hadoop.hive.metastore.api.Partition p)
                             throws IOException,
                                    InterruptedException

Throws:

IOException

InterruptedException

init

public void init(AtomicBoolean stop)
          throws Exception

Specified by:

init in interface MetaStoreThread

Overrides:

init in class MetaStoreCompactorThread

Throws:

Exception