Package org.apache.iotdb.db.rescon

Class SystemInfo

java.lang.Object

org.apache.iotdb.db.rescon.SystemInfo

public class SystemInfo
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
SystemInfo()

Method Summary

Modifier and Type	Method	Description
void	addCompactionMemoryCost(long memoryCost)
void	addFlushingMemTableCost(long flushingMemTableCost)
void	applyTemporaryMemoryForFlushing(long estimatedTemporaryMemSize)
void	close()
int	flushingMemTableNum()
double	getFlushThershold()
static SystemInfo	getInstance()
long	getMemorySizeForCompaction()
double	getRejectThershold()
long	getTotalMemTableSize()
boolean	isEncodingFasterThanIo()
boolean	isRejected()
void	releaseTemporaryMemoryForFlushing(long estimatedTemporaryMemSize)
boolean	reportStorageGroupStatus(StorageGroupInfo storageGroupInfo, TsFileProcessor tsFileProcessor)	Report current mem cost of storage group to system.
void	resetCompactionMemoryCost(long compactionMemoryCost)
void	resetFlushingMemTableCost(long flushingMemTableCost)
void	resetStorageGroupStatus(StorageGroupInfo storageGroupInfo)	Report resetting the mem cost of sg to system.
void	setEncodingFasterThanIo(boolean isEncodingFasterThanIo)
void	setMemorySizeForCompaction(long size)

Methods inherited from class java.lang.Object

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

Constructor Detail

SystemInfo

public SystemInfo()

Method Detail

reportStorageGroupStatus

public boolean reportStorageGroupStatus(StorageGroupInfo storageGroupInfo,
                                        TsFileProcessor tsFileProcessor)
                                 throws WriteProcessRejectException

Report current mem cost of storage group to system. Called when the memory of storage group newly accumulates to IoTDBConfig.getStorageGroupSizeReportThreshold()

Parameters:

storageGroupInfo - storage group

Throws:

WriteProcessRejectException

resetStorageGroupStatus

public void resetStorageGroupStatus(StorageGroupInfo storageGroupInfo)

Report resetting the mem cost of sg to system. It will be called after flushing, closing and failed to insert

Parameters:

storageGroupInfo - storage group

addFlushingMemTableCost

public void addFlushingMemTableCost(long flushingMemTableCost)

resetFlushingMemTableCost

public void resetFlushingMemTableCost(long flushingMemTableCost)

addCompactionMemoryCost

public void addCompactionMemoryCost(long memoryCost)
                             throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

resetCompactionMemoryCost

public void resetCompactionMemoryCost(long compactionMemoryCost)

getMemorySizeForCompaction

public long getMemorySizeForCompaction()

setMemorySizeForCompaction

public void setMemorySizeForCompaction(long size)

isRejected

public boolean isRejected()

setEncodingFasterThanIo

public void setEncodingFasterThanIo(boolean isEncodingFasterThanIo)

isEncodingFasterThanIo

public boolean isEncodingFasterThanIo()

close

public void close()

getInstance

public static SystemInfo getInstance()

applyTemporaryMemoryForFlushing

public void applyTemporaryMemoryForFlushing(long estimatedTemporaryMemSize)

releaseTemporaryMemoryForFlushing

public void releaseTemporaryMemoryForFlushing(long estimatedTemporaryMemSize)

getTotalMemTableSize

public long getTotalMemTableSize()

getFlushThershold

public double getFlushThershold()

getRejectThershold

public double getRejectThershold()

flushingMemTableNum

public int flushingMemTableNum()