hwm

package
v1.4.3 Latest Latest
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Published: Jun 12, 2017 License: Apache-2.0 Imports: 2 Imported by: 0

Documentation

Overview

The hwm package contains the HighWatermarkTracker;

Index

Constants

This section is empty.

Variables

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Functions

This section is empty.

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

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