memory

package

v0.0.0-...-c5bc0ce Latest Latest Go to latest Published: Jul 14, 2019 License: MIT Imports: 11 Imported by: 0

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Repository

github.com/jauhararifin/ugrade

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Documentation ¶

Index ¶

type Limiter
- func New(cgroupPath, cgroupName string) *Limiter

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Limiter ¶

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

Limiter represent memory limiter.

func New ¶

func New(cgroupPath, cgroupName string) *Limiter

New create new implementation of `cgroup.Memory`

func (*Limiter) Context ¶

func (limiter *Limiter) Context() context.Context

Context return new context that cancelled when the total memory usage of processes exceeding the limit.

func (*Limiter) Limit ¶

func (limiter *Limiter) Limit(bytes uint64) error

Limit limit maximum memory usage of processes inside cgroup.

func (*Limiter) Prepare ¶

func (limiter *Limiter) Prepare() error

Prepare create new cgroup tree inside memory subsystem. When old cgroup with same name already exists, it will be removed. TODO: use memory swap cgroup config

func (*Limiter) Put ¶

func (limiter *Limiter) Put(process *os.Process) error

Put will put `process` inside cgroup in memory subsystem. This basically declare that you want `process`'s memory usage to be monitored, throttled, and killed when exceeding the limit of `Limiter`.

func (*Limiter) Throttle ¶

func (limiter *Limiter) Throttle(throttle uint64) error

Throttle throttle memory usage of processes inside cgroup. Process will not killed when exceeding this limit. TODO: also throttle swap memory

func (*Limiter) Usage ¶

func (limiter *Limiter) Usage() uint64

Usage returns maximum memory usage.

Source Files ¶

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