hwm

Documentation

Overview

The hwm package contains the HighWatermarkTracker;

Index

• type HighWatermarkTracker
  • func NewHighWatermarkTracker() *HighWatermarkTracker
  • func (trie *HighWatermarkTracker) DeleteOldKeys(hwmLimit uint64) []string
  • func (trie *HighWatermarkTracker) StartTrackingDeletions()
  • func (trie *HighWatermarkTracker) StopTrackingDeletions()
  • func (trie *HighWatermarkTracker) StoreDeletion(key string, newModIdx uint64) []string
  • func (trie *HighWatermarkTracker) StoreUpdate(key string, newModIdx uint64) (oldModIdx uint64)
  • func (trie *HighWatermarkTracker) ToMap() map[string]uint64

Types

type HighWatermarkTracker

type HighWatermarkTracker struct {
	// contains filtered or unexported fields
}

HighWatermarkTracker: map that tracks the highest value seen for each key. Supports temporary tracking of deletions in order to resolve concurrent updates.

func NewHighWatermarkTracker

func NewHighWatermarkTracker() *HighWatermarkTracker

func (*HighWatermarkTracker) DeleteOldKeys

func (trie *HighWatermarkTracker) DeleteOldKeys(hwmLimit uint64) []string

func (*HighWatermarkTracker) StartTrackingDeletions

func (trie *HighWatermarkTracker) StartTrackingDeletions()

func (*HighWatermarkTracker) StopTrackingDeletions

func (trie *HighWatermarkTracker) StopTrackingDeletions()

func (*HighWatermarkTracker) StoreDeletion

func (trie *HighWatermarkTracker) StoreDeletion(key string, newModIdx uint64) []string

func (*HighWatermarkTracker) StoreUpdate

func (trie *HighWatermarkTracker) StoreUpdate(key string, newModIdx uint64) (oldModIdx uint64)

func (*HighWatermarkTracker) ToMap

func (trie *HighWatermarkTracker) ToMap() map[string]uint64