Package org.apache.accumulo.tserver

Class TabletServerResourceManager

java.lang.Object

org.apache.accumulo.tserver.TabletServerResourceManager

public class TabletServerResourceManager
extends Object

ResourceManager is responsible for managing the resources of all tablets within a tablet server.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	TabletServerResourceManager.AssignmentWatcher	Accepts some map which is tracking active assignment task(s) (running) and monitors them to ensure that the time the assignment(s) have been running don't exceed a threshold.
class	TabletServerResourceManager.TabletResourceManager

Constructor Summary

Constructors

Constructor	Description
TabletServerResourceManager(ServerContext context)

Method Summary

Modifier and Type	Method	Description
void	addAssignment(KeyExtent extent, org.slf4j.Logger log, TabletServer.AssignmentHandler assignmentHandler)
void	addMetaDataAssignment(KeyExtent extent, org.slf4j.Logger log, TabletServer.AssignmentHandler assignmentHandler)
void	addMigration(KeyExtent tablet, Runnable migrationHandler)
protected Map<String,ExecutorService>	createScanExecutors(Collection<AccumuloConfiguration.ScanExecutorConfig> scanExecCfg, Map<String,Queue<?>> scanExecQueues)
TabletServerResourceManager.TabletResourceManager	createTabletResourceManager(KeyExtent extent, AccumuloConfiguration conf)
void	executeMajorCompaction(KeyExtent tablet, Runnable compactionTask)
void	executeReadAhead(KeyExtent tablet, ScanDispatcher dispatcher, ScanSession scanInfo, Runnable task)
void	executeSplit(KeyExtent tablet, Runnable splitTask)
BlockCache	getDataCache()
com.google.common.cache.Cache<String,Long>	getFileLenCache()
BlockCache	getIndexCache()
BlockCache	getSummaryCache()
ExecutorService	getSummaryPartitionExecutor()
ExecutorService	getSummaryRemoteExecutor()
ExecutorService	getSummaryRetrievalExecutor()
protected void	holdAllCommits(boolean holdAllCommits)
long	holdTime()

Methods inherited from class java.lang.Object

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

Constructor Detail

TabletServerResourceManager

public TabletServerResourceManager(ServerContext context)

Method Detail

createScanExecutors

protected Map<String,ExecutorService> createScanExecutors(Collection<AccumuloConfiguration.ScanExecutorConfig> scanExecCfg,
                                                                Map<String,Queue<?>> scanExecQueues)

holdAllCommits

protected void holdAllCommits(boolean holdAllCommits)

holdTime

public long holdTime()

createTabletResourceManager

public TabletServerResourceManager.TabletResourceManager createTabletResourceManager(KeyExtent extent,
                                                                                     AccumuloConfiguration conf)

executeSplit

public void executeSplit(KeyExtent tablet,
                         Runnable splitTask)

executeMajorCompaction

public void executeMajorCompaction(KeyExtent tablet,
                                   Runnable compactionTask)

executeReadAhead

public void executeReadAhead(KeyExtent tablet,
                             ScanDispatcher dispatcher,
                             ScanSession scanInfo,
                             Runnable task)

addAssignment

public void addAssignment(KeyExtent extent,
                          org.slf4j.Logger log,
                          TabletServer.AssignmentHandler assignmentHandler)

addMetaDataAssignment

public void addMetaDataAssignment(KeyExtent extent,
                                  org.slf4j.Logger log,
                                  TabletServer.AssignmentHandler assignmentHandler)

addMigration

public void addMigration(KeyExtent tablet,
                         Runnable migrationHandler)

getIndexCache

public BlockCache getIndexCache()

getDataCache

public BlockCache getDataCache()

getSummaryCache

public BlockCache getSummaryCache()

getFileLenCache

public com.google.common.cache.Cache<String,Long> getFileLenCache()

getSummaryRetrievalExecutor

public ExecutorService getSummaryRetrievalExecutor()

getSummaryPartitionExecutor

public ExecutorService getSummaryPartitionExecutor()

getSummaryRemoteExecutor

public ExecutorService getSummaryRemoteExecutor()