Version: v0.1.0 Latest Latest

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Published: Apr 20, 2020 License: Apache-2.0 Imports: 9 Imported by: 0




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func AlignedBlock added in v0.0.5

func AlignedBlock(BlockSize int) []byte

AlignedBlock - pass through to directio implementation.

func DisableDirectIO

func DisableDirectIO(f *os.File) error

DisableDirectIO - disables directio mode.

func IsRootDisk

func IsRootDisk(diskPath string) (bool, error)

IsRootDisk returns if diskPath belongs to root-disk, i.e the disk mounted at "/"

func OpenFileDirectIO

func OpenFileDirectIO(filePath string, flag int, perm os.FileMode) (*os.File, error)

OpenFileDirectIO - bypass kernel cache.


type Info

type Info struct {
	Total  uint64
	Free   uint64
	Files  uint64
	Ffree  uint64
	FSType string

	// Usage is calculated per tenant.
	Usage uint64

Info stat fs struct is container which holds following values Total - total size of the volume / disk Free - free size of the volume / disk Files - total inodes available Ffree - free inodes available FSType - file system type

func GetInfo

func GetInfo(path string) (info Info, err error)

GetInfo returns total and free bytes available in a directory, e.g. `/`.

type Performance

type Performance struct {
	Path       string  `json:"path"`
	Error      string  `json:"error,omitempty"`
	WriteSpeed float64 `json:"writeSpeed"`
	ReadSpeed  float64 `json:"readSpeed"`

Performance holds informantion about read and write speed of a disk

func GetPerformance

func GetPerformance(path string, size int64) Performance

GetPerformance returns given disk's read and write performance

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