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

Class CompactorThread

java.lang.Object

java.lang.Thread

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

All Implemented Interfaces:

Runnable, org.apache.hadoop.conf.Configurable

Direct Known Subclasses:

MetaStoreCompactorThread, RemoteCompactorThread

public abstract class CompactorThread
extends Thread
implements org.apache.hadoop.conf.Configurable

Superclass for all threads in the compactor.

Nested Class Summary

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

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
protected long	checkInterval
protected HiveConf	conf
protected String	hostName
protected static org.slf4j.Logger	LOG
protected String	runtimeVersion
protected AtomicBoolean	stop

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
CompactorThread()

Method Summary

Modifier and Type	Method and Description
protected void	doPostLoopActions(long elapsedTime)
org.apache.hadoop.conf.Configuration	getConf()
protected String	getRuntimeVersion()
void	init(AtomicBoolean stop)
static void	initializeAndStartThread(CompactorThread thread, org.apache.hadoop.conf.Configuration conf)
protected boolean	replIsCompactionDisabledForTable(org.apache.hadoop.hive.metastore.api.Table tbl)
protected abstract org.apache.hadoop.hive.metastore.api.Partition	resolvePartition(CompactionInfo ci) Get the partition being compacted.
void	setConf(org.apache.hadoop.conf.Configuration configuration)
protected String	tableName(org.apache.hadoop.hive.metastore.api.Table t)

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, run, 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

Field Detail

LOG

protected static final org.slf4j.Logger LOG

conf

protected HiveConf conf

stop

protected AtomicBoolean stop

hostName

protected String hostName

runtimeVersion

protected String runtimeVersion

checkInterval

protected long checkInterval

Constructor Detail

CompactorThread

public CompactorThread()

Method Detail

setConf

public void setConf(org.apache.hadoop.conf.Configuration configuration)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

init

public void init(AtomicBoolean stop)
          throws Exception

Throws:

Exception

resolvePartition

protected abstract org.apache.hadoop.hive.metastore.api.Partition resolvePartition(CompactionInfo ci)
                                                                            throws org.apache.hadoop.hive.metastore.api.MetaException

Get the partition being compacted.

Parameters:

ci - compaction info returned from the compaction queue

Returns:

metastore partition, or null if there is not partition in this compaction info

Throws:

org.apache.hadoop.hive.metastore.api.MetaException - if underlying calls throw, or if the partition name resolves to more than one partition.

tableName

protected String tableName(org.apache.hadoop.hive.metastore.api.Table t)

initializeAndStartThread

public static void initializeAndStartThread(CompactorThread thread,
                                            org.apache.hadoop.conf.Configuration conf)
                                     throws Exception

Throws:

Exception

replIsCompactionDisabledForTable

protected boolean replIsCompactionDisabledForTable(org.apache.hadoop.hive.metastore.api.Table tbl)

getRuntimeVersion

protected String getRuntimeVersion()

doPostLoopActions

protected void doPostLoopActions(long elapsedTime)
                          throws InterruptedException

Throws:

InterruptedException