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Add statistics about buffer reuse

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This commit is contained in:
Ingo Oppermann
2024-10-14 15:49:07 +02:00
parent 2f932be97d
commit bc12123191
2 changed files with 8 additions and 0 deletions
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4
mem/pool.go
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@@ -27,6 +27,7 @@ type BufferPool struct {
maxSize uint64
alloc uint64
reuse uint64
recycle uint64
dump uint64
@@ -35,6 +36,7 @@ type BufferPool struct {
type PoolStats struct {
Alloc uint64
Reuse uint64
Recycle uint64
Dump uint64
@@ -53,6 +55,7 @@ func NewBufferPool() *BufferPool {
func (p *BufferPool) Stats() PoolStats {
s := PoolStats{
Alloc: atomic.LoadUint64(&p.alloc),
Reuse: atomic.LoadUint64(&p.reuse),
Recycle: atomic.LoadUint64(&p.recycle),
Dump: atomic.LoadUint64(&p.dump),
DefaultSize: atomic.LoadUint64(&p.defaultSize),
@@ -65,6 +68,7 @@ func (p *BufferPool) Stats() PoolStats {
func (p *BufferPool) Get() *Buffer {
v := p.pool.Get()
if v != nil {
atomic.AddUint64(&p.reuse, 1)
return v.(*Buffer)
}

4
monitor/self.go
View File

@@ -9,6 +9,7 @@ import (
type selfCollector struct {
bufferAllocDescr *metric.Description
bufferReuseDescr *metric.Description
bufferRecycleDescr *metric.Description
bufferDumpDescr *metric.Description
bufferDefaultSizeDescr *metric.Description
@@ -28,6 +29,7 @@ func NewSelfCollector() metric.Collector {
c := &selfCollector{}
c.bufferAllocDescr = metric.NewDesc("self_bufferpool_alloc", "Number of buffer allocations", nil)
c.bufferReuseDescr = metric.NewDesc("self_bufferpool_reuse", "Number of buffer reuses", nil)
c.bufferRecycleDescr = metric.NewDesc("self_bufferpool_recycle", "Number of buffer recycles", nil)
c.bufferDumpDescr = metric.NewDesc("self_bufferpool_dump", "Number of buffer dumps", nil)
c.bufferDefaultSizeDescr = metric.NewDesc("self_bufferpool_default_size", "Default buffer size", nil)
@@ -54,6 +56,7 @@ func (c *selfCollector) Prefix() string {
func (c *selfCollector) Describe() []*metric.Description {
return []*metric.Description{
c.bufferAllocDescr,
c.bufferReuseDescr,
c.bufferRecycleDescr,
c.bufferDumpDescr,
c.bufferDefaultSizeDescr,
@@ -75,6 +78,7 @@ func (c *selfCollector) Collect() metric.Metrics {
metrics := metric.NewMetrics()
metrics.Add(metric.NewValue(c.bufferAllocDescr, float64(bufferstats.Alloc)))
metrics.Add(metric.NewValue(c.bufferReuseDescr, float64(bufferstats.Reuse)))
metrics.Add(metric.NewValue(c.bufferRecycleDescr, float64(bufferstats.Recycle)))
metrics.Add(metric.NewValue(c.bufferDumpDescr, float64(bufferstats.Dump)))
metrics.Add(metric.NewValue(c.bufferDefaultSizeDescr, float64(bufferstats.DefaultSize)))