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 getNestedOperatorStats() and 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()
static Metrics	getConnectorMetrics(Metrics connectorMetrics, long physicalInputReadTimeNanos)
DriverContext	getDriverContext()
io.airlift.stats.CounterStat	getInputDataSize()
io.airlift.stats.CounterStat	getInputPositions()
List<OperatorStats>	getNestedOperatorStats()
int	getOperatorId()
MemoryTrackingContext	getOperatorMemoryContext()
static Metrics	getOperatorMetrics(Metrics operatorMetrics, long inputPositions)
String	getOperatorType()
io.airlift.stats.CounterStat	getOutputDataSize()
io.airlift.stats.CounterStat	getOutputPositions()
long	getPhysicalWrittenDataSize()
long	getReservedRevocableBytes()
Session	getSession()
SpillContext	getSpillContext()
boolean	isDone()
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.
long	requestMemoryRevoking()	Returns how much revocable memory will be revoked by the operator
void	resetMemoryRevokingRequested()
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	setNestedOperatorStatsSupplier(Supplier<List<OperatorStats>> nestedOperatorStatsSupplier)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorContext

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

Method Detail

getOperatorId

public int getOperatorId()

getOperatorType

public String getOperatorType()

getDriverContext

public DriverContext getDriverContext()

getSession

public Session getSession()

isDone

public boolean isDone()

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)

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)

setNestedOperatorStatsSupplier

public void setNestedOperatorStatsSupplier(Supplier<List<OperatorStats>> nestedOperatorStatsSupplier)

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()

getPhysicalWrittenDataSize

public long getPhysicalWrittenDataSize()

toString

public String toString()

Overrides:

toString in class Object

getNestedOperatorStats

public List<OperatorStats> getNestedOperatorStats()

getOperatorMetrics

public static Metrics getOperatorMetrics(Metrics operatorMetrics,
                                         long inputPositions)

getConnectorMetrics

public static Metrics getConnectorMetrics(Metrics connectorMetrics,
                                          long physicalInputReadTimeNanos)

accept

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

getOperatorMemoryContext

public MemoryTrackingContext getOperatorMemoryContext()