Package io.trino.execution.scheduler.faulttolerant

Interface OutputStatsEstimator

All Known Implementing Classes:

ByEagerParentOutputStatsEstimator, BySmallStageOutputStatsEstimator, ByTaskProgressOutputStatsEstimator, CompositeOutputStatsEstimator

public interface OutputStatsEstimator

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static final record	OutputStatsEstimator.OutputStatsEstimateResult

Field Summary

Fields

Modifier and Type	Field	Description
static final OutputStatsEstimator.OutputStatsEstimateResult	UNKNOWN

Method Summary

Modifier and Type	Method	Description
Optional<OutputStatsEstimator.OutputStatsEstimateResult>	getEstimatedOutputStats(EventDrivenFaultTolerantQueryScheduler.StageExecution stageExecution, Function<StageId,EventDrivenFaultTolerantQueryScheduler.StageExecution> stageExecutionLookup, boolean parentEager)

Field Details

UNKNOWN

static final OutputStatsEstimator.OutputStatsEstimateResult UNKNOWN

Method Details

getEstimatedOutputStats

Optional<OutputStatsEstimator.OutputStatsEstimateResult> getEstimatedOutputStats(EventDrivenFaultTolerantQueryScheduler.StageExecution stageExecution,
 Function<StageId,EventDrivenFaultTolerantQueryScheduler.StageExecution> stageExecutionLookup,
 boolean parentEager)