kvstore

package

v0.0.0-...-382cb39 Latest Latest Go to latest Published: Dec 1, 2017 License: Apache-2.0 Imports: 4 Imported by: 0

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Repository

github.com/v2pro/quokka

Links

Open Source Insights

README ¶

docstore builds on top of kvstore

Documentation ¶

Index ¶

Constants
Variables
func HashToPartition(entityId string) uint64
func NewID(zoneId int) string
type MetadataRow
type MetadataRowIterator
type Row
type RowIterator

Constants ¶

View Source

const PartitionsCount = ZonesCount * PartitionsPerZone

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const PartitionsPerZone = 997

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const ZonesCount = 32

Variables ¶

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var Append = func(ctx context.Context, partition uint64, namespace string, key uint64, rowValue []byte) error {
	return errors.New("not implemented")
}

View Source

var Get = func(ctx context.Context, partition uint64, namespace string, key uint64) ([]byte, error) {
	return nil, errors.New("not implemented")
}

View Source

var GetMetadata = func(ctx context.Context, key string) ([]byte, error) {
	return nil, errors.New("not implemented")
}

View Source

var GetMonotonic = func(ctx context.Context, partition uint64, namespace string, key string) (uint64, error) {
	return 0, errors.New("not implemented")
}

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var KeyConflictError = errors.New("key conflict")

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var Scan = func(ctx context.Context, partition uint64, namespace string, fromKey uint64) (RowIterator, error) {
	return nil, errors.New("not implemented")
}

View Source

var ScanMetadata = func(ctx context.Context, fromKey string, toKey string) (MetadataRowIterator, error) {
	return nil, errors.New("not implemented")
}

[fromKey, toKey] ordered lexically

View Source

var SetMetadata = func(ctx context.Context, key string, value []byte) error {
	return errors.New("not implemented")
}

View Source

var SetMonotonic = func(ctx context.Context, partition uint64, namespace string, key string, value uint64) error {
	return errors.New("not implemented")
}

Functions ¶

func HashToPartition ¶

func HashToPartition(entityId string) uint64

func NewID ¶

func NewID(zoneId int) string

id is 21 bytes zoneId should be within [0, 31] if one entity type has many entities, we can assign multiple zone to expand capacity if many entity types only has small number of entities, we can compact them in same zone

Types ¶

type MetadataRow ¶

type MetadataRow struct {
	Key   string
	Value []byte
}

type MetadataRowIterator ¶

type MetadataRowIterator func() ([]MetadataRow, error)

type Row ¶

type Row struct {
	Key   uint64
	Value []byte
}

type RowIterator ¶

type RowIterator func() ([]Row, error)

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
memkv
mykv

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