storage

package

v0.1.2 Latest Latest Go to latest Published: Sep 15, 2016 License: Apache-2.0 Imports: 12 Imported by: 15

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Repository

github.com/coreos/torus

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Open Source Insights

Documentation ¶

Overview ¶

storage is the package which implements the underlying, on-disk storage API for Torus servers. A single node can be tested with just a storage implementation, but the distributor replaces it as a virtual implementation of a much larger storage pool, provided by the cluster. This is storage underneath a single node.

Index ¶

func CreateMFile(path string, size uint64) error
type MFile
- func CreateOrOpenMFile(path string, size uint64, blkSize uint64) (*MFile, error)
- func OpenMFile(path string, blkSize uint64) (*MFile, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func CreateMFile ¶

func CreateMFile(path string, size uint64) error

Types ¶

type MFile ¶

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

func CreateOrOpenMFile ¶

func CreateOrOpenMFile(path string, size uint64, blkSize uint64) (*MFile, error)

func OpenMFile ¶

func OpenMFile(path string, blkSize uint64) (*MFile, error)

func (*MFile) Close ¶

func (m *MFile) Close() error

func (*MFile) Flush ¶

func (m *MFile) Flush() error

func (*MFile) GetBlock ¶

func (m *MFile) GetBlock(n uint64) []byte

GetBlock returns the n-th block as a byte slice, including any trailing zero padding. The returned bytes are from the underlying mmap'd buffer and will be invalid after a call to Close().

func (*MFile) NumBlocks ¶

func (m *MFile) NumBlocks() uint64

NumBlocks returns the total capacity of the file in blocks.

func (*MFile) WriteBlock ¶

func (m *MFile) WriteBlock(n uint64, data []byte) error

WriteBlock writes data to the n-th block in the file.

Source Files ¶

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