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pool: add fast path

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This commit is contained in:
Vladimir Mihailenco
2017-06-29 12:54:49 +03:00
parent 09f8a1b82b
commit 0a965c5d70
1 changed files with 28 additions and 20 deletions
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8
internal/pool/pool.go
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@@ -106,6 +106,9 @@ func (p *ConnPool) NewConn() (*Conn, error) {
} }
func (p *ConnPool) PopFree() *Conn { func (p *ConnPool) PopFree() *Conn {
select {
case p.queue <- struct{}{}:
default:
timer := timers.Get().(*time.Timer) timer := timers.Get().(*time.Timer)
timer.Reset(p.poolTimeout) timer.Reset(p.poolTimeout)
@@ -120,6 +123,7 @@ func (p *ConnPool) PopFree() *Conn {
atomic.AddUint32(&p.stats.Timeouts, 1) atomic.AddUint32(&p.stats.Timeouts, 1)
return nil return nil
} }
}
p.freeConnsMu.Lock() p.freeConnsMu.Lock()
cn := p.popFree() cn := p.popFree()
@@ -150,6 +154,9 @@ func (p *ConnPool) Get() (*Conn, bool, error) {
atomic.AddUint32(&p.stats.Requests, 1) atomic.AddUint32(&p.stats.Requests, 1)
select {
case p.queue <- struct{}{}:
default:
timer := timers.Get().(*time.Timer) timer := timers.Get().(*time.Timer)
timer.Reset(p.poolTimeout) timer.Reset(p.poolTimeout)
@@ -164,6 +171,7 @@ func (p *ConnPool) Get() (*Conn, bool, error) {
atomic.AddUint32(&p.stats.Timeouts, 1) atomic.AddUint32(&p.stats.Timeouts, 1)
return nil, false, ErrPoolTimeout return nil, false, ErrPoolTimeout
} }
}
for { for {
p.freeConnsMu.Lock() p.freeConnsMu.Lock()