mpool

package

v0.0.0-...-077b43f Latest Latest Go to latest Published: Sep 27, 2017 License: Apache-2.0 Imports: 4 Imported by: 6

Details

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Repository

github.com/funkygao/gafka

Links

Open Source Insights

Documentation ¶

Overview ¶

Package mpool provides recycleable memory buffer to reduce gc.

Based upon slab class allocation algorithm.

Index ¶

Variables
func AccessLogLineBufferGet() []byte
func AccessLogLineBufferPut(b []byte)
func BytesBufferGet() *bytes.Buffer
func BytesBufferPut(b *bytes.Buffer)
type Intern
- func NewIntern() *Intern
- func (this *Intern) String(s string) string
type Message
- func NewMessage(size int) *Message
- func (this *Message) Free() (recycled bool)

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrorMessageOverflow = errors.New("message overflow")

Functions ¶

func AccessLogLineBufferGet ¶

func AccessLogLineBufferGet() []byte

func AccessLogLineBufferPut ¶

func AccessLogLineBufferPut(b []byte)

func BytesBufferGet ¶

func BytesBufferGet() *bytes.Buffer

func BytesBufferPut ¶

func BytesBufferPut(b *bytes.Buffer)

Types ¶

type Intern ¶

type Intern struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

func NewIntern ¶

func NewIntern() *Intern

func (*Intern) String ¶

func (this *Intern) String(s string) string

type Message ¶

type Message struct {
	Body []byte
	// contains filtered or unexported fields
}

Message encapsulates the messages that we exchange back and forth.

func NewMessage ¶

func NewMessage(size int) *Message

NewMessage is the supported way to obtain a new Message. This makes use of a "slab allocator" which greatly reduces the load on the garbage collector.

func (*Message) Free ¶

func (this *Message) Free() (recycled bool)

Free decrements the reference count on a message, and releases its resources if no further references remain. While this is not strictly necessary thanks to GC, doing so allows for the resources to be recycled without engaging GC. This can have rather substantial benefits for performance.

Source Files ¶

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