distributor

package
v0.1.2 Latest Latest
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Published: Sep 15, 2016 License: Apache-2.0 Imports: 18 Imported by: 0

Documentation

Overview

distributor is a complex implementation of a Torus storage interface, that understands rebalancing it's underlying storage and fetching data from peers, as necessary.

Index

Constants

This section is empty.

Variables

View Source
var (
	ErrNoPeersBlock = errors.New("distributor: no peers available for a block")
)

Functions

func ListenReplication

func ListenReplication(s *torus.Server, addr *url.URL) error

ListenReplication opens the internal networking port and connects to the cluster

func OpenReplication

func OpenReplication(s *torus.Server) error

OpenReplication connects to the cluster without opening the internal networking.

Types

type Distributor

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

func (*Distributor) Block

func (d *Distributor) Block(ctx context.Context, ref torus.BlockRef) ([]byte, error)

func (*Distributor) BlockIterator

func (d *Distributor) BlockIterator() torus.BlockIterator

func (*Distributor) BlockSize

func (d *Distributor) BlockSize() uint64

func (*Distributor) Close

func (d *Distributor) Close() error

func (*Distributor) DeleteBlock

func (d *Distributor) DeleteBlock(ctx context.Context, i torus.BlockRef) error

func (*Distributor) Flush

func (d *Distributor) Flush() error

func (*Distributor) GetBlock

func (d *Distributor) GetBlock(ctx context.Context, i torus.BlockRef) ([]byte, error)

func (*Distributor) HasBlock

func (d *Distributor) HasBlock(ctx context.Context, i torus.BlockRef) (bool, error)

func (*Distributor) Kind

func (d *Distributor) Kind() string

func (*Distributor) NumBlocks

func (d *Distributor) NumBlocks() uint64

func (*Distributor) PutBlock

func (d *Distributor) PutBlock(ctx context.Context, ref torus.BlockRef, data []byte) error

func (*Distributor) RebalanceCheck

func (d *Distributor) RebalanceCheck(ctx context.Context, refs []torus.BlockRef) ([]bool, error)

func (*Distributor) Ring

func (d *Distributor) Ring() torus.Ring

func (*Distributor) UUID

func (d *Distributor) UUID() string

func (*Distributor) UsedBlocks

func (d *Distributor) UsedBlocks() uint64

func (*Distributor) WriteBlock

func (d *Distributor) WriteBlock(ctx context.Context, i torus.BlockRef, data []byte) error

func (*Distributor) WriteBuf added in v0.1.0

func (d *Distributor) WriteBuf(ctx context.Context, i torus.BlockRef) ([]byte, error)

Directories

Path Synopsis
protocols is the metapackage for the RPC protocols for how Torus' storage layer communicates with other storage servers.
protocols is the metapackage for the RPC protocols for how Torus' storage layer communicates with other storage servers.
tdp
rebalance provides the implementation of the rebalancer, which continually checks the data stored on a host, knows where data should live, and moves it to the appropriate servers.
rebalance provides the implementation of the rebalancer, which continually checks the data stored on a host, knows where data should live, and moves it to the appropriate servers.

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