alive

package

v1.0.0 Latest Latest Go to latest Published: Aug 24, 2022 License: MIT Imports: 3 Imported by: 0

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Repository

github.com/cyb0225/gdfs

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Documentation ¶

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Alive ¶

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

Function: Alive is used to update datanode's alived status. Check is datanode alived. Give suitable addresses of datanodes to stored new filekeys.

func NewAlive ¶

func NewAlive(expired int) *Alive

func (*Alive) IsAlive ¶

func (a *Alive) IsAlive(addr string) bool

Check if datanode is alived.

func (*Alive) LoadBalance ¶ added in v1.0.0

func (a *Alive) LoadBalance(n int) ([]string, error)

LoadBalance: sorted by the capacity of datanode. Perfer datanodes with small cap and addresses of returns are unique. Input how many datanode should be returned. But it also depends on how many alived datanodes I have. Return a serious of datanode to stroed related file.

func (*Alive) Update ¶

func (a *Alive) Update(addr string, cap int64)

Update datanode time. (keep alive) If datanode is not register before, then create it in list and map.

Source Files ¶

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