pruner

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Published: Jun 13, 2023 License: AGPL-3.0 Imports: 9 Imported by: 0

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type Pruner

type Pruner struct {
	component.Component
	// contains filtered or unexported fields
}

Pruner is a component responsible for pruning data from execution data storage. It is configured with the following parameters:

  • Height range target: The target number of most recent blocks to store data for. This controls the total amount of data stored on disk.
  • Threshold: The number of block heights that we can exceed the height range target by before pruning is triggered. This controls the frequency of pruning.

The Pruner consumes a stream of tracked height notifications, and triggers pruning once the difference between the tracked height and the last pruned height reaches the height range target + threshold. A height is considered fulfilled once it has both been executed, tracked, and sealed.

func NewPruner

func NewPruner(logger zerolog.Logger, metrics module.ExecutionDataPrunerMetrics, storage tracker.Storage, opts ...PrunerOption) (*Pruner, error)

NewPruner creates a new Pruner.

func (*Pruner) NotifyFulfilledHeight

func (p *Pruner) NotifyFulfilledHeight(height uint64)

NotifyFulfilledHeight notifies the Pruner of the latest fulfilled height.

func (*Pruner) SetHeightRangeTarget

func (p *Pruner) SetHeightRangeTarget(heightRangeTarget uint64) error

SetHeightRangeTarget updates the Pruner's height range target. This may block for the duration of a pruning operation.

func (*Pruner) SetThreshold

func (p *Pruner) SetThreshold(threshold uint64) error

SetThreshold update's the Pruner's threshold. This may block for the duration of a pruning operation.

type PrunerOption

type PrunerOption func(*Pruner)

func WithHeightRangeTarget

func WithHeightRangeTarget(heightRangeTarget uint64) PrunerOption

WithHeightRangeTarget is used to configure the pruner with a custom height range target.

func WithPruneCallback

func WithPruneCallback(callback func(context.Context) error) PrunerOption

func WithThreshold

func WithThreshold(threshold uint64) PrunerOption

WithThreshold is used to configure the pruner with a custom threshold.

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