Package io.trino.operator

Class OperatorContext

java.lang.Object

io.trino.operator.OperatorContext

public class OperatorContext
extends Object

Contains information about Operator execution.

Not thread-safe. Only revocable-memory-related operations are thread-safe.

Constructor Summary

Constructors

Constructor	Description
OperatorContext(int operatorId, PlanNodeId planNodeId, String operatorType, DriverContext driverContext, Executor executor, MemoryTrackingContext operatorMemoryContext)

Method Summary

Modifier and Type	Method	Description
<C, R> R	accept(QueryContextVisitor<C,R> visitor, C context)
AggregatedMemoryContext	aggregateRevocableMemoryContext()
AggregatedMemoryContext	aggregateUserMemoryContext()
void	destroy()
DriverContext	getDriverContext()
io.airlift.stats.CounterStat	getInputDataSize()
io.airlift.stats.CounterStat	getInputPositions()
int	getOperatorId()
MemoryTrackingContext	getOperatorMemoryContext()
static Metrics	getOperatorMetrics(Metrics operatorMetrics, long inputPositions, double cpuTimeSeconds, double wallTimeSeconds, double blockedWallSeconds)
OperatorStats	getOperatorStats()
String	getOperatorType()
io.airlift.stats.CounterStat	getOutputDataSize()
io.airlift.stats.CounterStat	getOutputPositions()
long	getPhysicalWrittenDataSize()
long	getReservedRevocableBytes()
Session	getSession()
SpillContext	getSpillContext()
long	getWriterInputDataSize()
boolean	isMemoryRevokingRequested()
com.google.common.util.concurrent.ListenableFuture<Void>	isWaitingForMemory()
com.google.common.util.concurrent.ListenableFuture<Void>	isWaitingForRevocableMemory()
LocalMemoryContext	localRevocableMemoryContext()
LocalMemoryContext	localUserMemoryContext()
AggregatedMemoryContext	newAggregateRevocableMemoryContext()
AggregatedMemoryContext	newAggregateUserMemoryContext()
LocalMemoryContext	newLocalUserMemoryContext(String allocationTag)
void	recordBlocked(com.google.common.util.concurrent.ListenableFuture<Void> blocked)
void	recordDynamicFilterSplitProcessed(long dynamicFilterSplits)
void	recordNetworkInput(long sizeInBytes, long positions)	Record the amount of network bytes that were read by an operator.
void	recordOutput(long sizeInBytes, long positions)
void	recordPhysicalInputWithTiming(long sizeInBytes, long positions, long readNanos)	Record the amount of physical bytes that were read by an operator and the time it took to read the data.
void	recordPhysicalWrittenData(long sizeInBytes)
void	recordProcessedInput(long sizeInBytes, long positions)	Record the size in bytes of input blocks that were processed by an operator.
void	recordWriterInputDataSize(long sizeInBytes)
long	requestMemoryRevoking()	Returns how much revocable memory will be revoked by the operator
void	resetMemoryRevokingRequested()
void	setFinishedFuture(com.google.common.util.concurrent.ListenableFuture<Void> finishedFuture)
void	setInfoSupplier(Supplier<? extends OperatorInfo> infoSupplier)
void	setLatestConnectorMetrics(Metrics metrics)
void	setLatestMetrics(Metrics metrics)	Overwrites the metrics with the latest one.
void	setMemoryRevocationRequestListener(Runnable listener)
void	setPipelineOperatorMetrics(Metrics metrics)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

OperatorContext

public OperatorContext(int operatorId,
 PlanNodeId planNodeId,
 String operatorType,
 DriverContext driverContext,
 Executor executor,
 MemoryTrackingContext operatorMemoryContext)

Method Details

getOperatorId

public int getOperatorId()

getOperatorType

public String getOperatorType()

getDriverContext

public DriverContext getDriverContext()

getSession

public Session getSession()

recordPhysicalInputWithTiming

public void recordPhysicalInputWithTiming(long sizeInBytes,
 long positions,
 long readNanos)

Record the amount of physical bytes that were read by an operator and the time it took to read the data. This metric is valid only for source operators.

recordNetworkInput

public void recordNetworkInput(long sizeInBytes,
 long positions)

Record the amount of network bytes that were read by an operator. This metric is valid only for source operators.

recordProcessedInput

public void recordProcessedInput(long sizeInBytes,
 long positions)

Record the size in bytes of input blocks that were processed by an operator. This metric is valid only for source operators.

recordOutput

public void recordOutput(long sizeInBytes,
 long positions)

recordDynamicFilterSplitProcessed

public void recordDynamicFilterSplitProcessed(long dynamicFilterSplits)

setLatestMetrics

public void setLatestMetrics(Metrics metrics)

Overwrites the metrics with the latest one.

Parameters:

metrics - Latest operator's metrics.

setLatestConnectorMetrics

public void setLatestConnectorMetrics(Metrics metrics)

setPipelineOperatorMetrics

public void setPipelineOperatorMetrics(Metrics metrics)

setFinishedFuture

public void setFinishedFuture(com.google.common.util.concurrent.ListenableFuture<Void> finishedFuture)

recordWriterInputDataSize

public void recordWriterInputDataSize(long sizeInBytes)

recordPhysicalWrittenData

public void recordPhysicalWrittenData(long sizeInBytes)

recordBlocked

public void recordBlocked(com.google.common.util.concurrent.ListenableFuture<Void> blocked)

isWaitingForMemory

public com.google.common.util.concurrent.ListenableFuture<Void> isWaitingForMemory()

isWaitingForRevocableMemory

public com.google.common.util.concurrent.ListenableFuture<Void> isWaitingForRevocableMemory()

newLocalUserMemoryContext

public LocalMemoryContext newLocalUserMemoryContext(String allocationTag)

localUserMemoryContext

public LocalMemoryContext localUserMemoryContext()

localRevocableMemoryContext

public LocalMemoryContext localRevocableMemoryContext()

aggregateUserMemoryContext

public AggregatedMemoryContext aggregateUserMemoryContext()

aggregateRevocableMemoryContext

public AggregatedMemoryContext aggregateRevocableMemoryContext()

newAggregateUserMemoryContext

public AggregatedMemoryContext newAggregateUserMemoryContext()

newAggregateRevocableMemoryContext

public AggregatedMemoryContext newAggregateRevocableMemoryContext()

getReservedRevocableBytes

public long getReservedRevocableBytes()

destroy

public void destroy()

getSpillContext

public SpillContext getSpillContext()

isMemoryRevokingRequested

public boolean isMemoryRevokingRequested()

requestMemoryRevoking

public long requestMemoryRevoking()

Returns how much revocable memory will be revoked by the operator

resetMemoryRevokingRequested

public void resetMemoryRevokingRequested()

setMemoryRevocationRequestListener

public void setMemoryRevocationRequestListener(Runnable listener)

setInfoSupplier

public void setInfoSupplier(Supplier<? extends OperatorInfo> infoSupplier)

getInputDataSize

public io.airlift.stats.CounterStat getInputDataSize()

getInputPositions

public io.airlift.stats.CounterStat getInputPositions()

getOutputDataSize

public io.airlift.stats.CounterStat getOutputDataSize()

getOutputPositions

public io.airlift.stats.CounterStat getOutputPositions()

getWriterInputDataSize

public long getWriterInputDataSize()

getPhysicalWrittenDataSize

public long getPhysicalWrittenDataSize()

toString

public String toString()

Overrides:

toString in class Object

getOperatorMetrics

public static Metrics getOperatorMetrics(Metrics operatorMetrics,
 long inputPositions,
 double cpuTimeSeconds,
 double wallTimeSeconds,
 double blockedWallSeconds)

accept

public <C,
R> R accept(QueryContextVisitor<C,R> visitor,
 C context)

getOperatorStats

public OperatorStats getOperatorStats()

getOperatorMemoryContext

public MemoryTrackingContext getOperatorMemoryContext()