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Add PoolStats.StaleConns and enable logging by default

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This commit is contained in:
Vladimir Mihailenco
2017-09-11 09:10:17 +03:00
parent 1173a9589f
commit 5294b5dae1
6 changed files with 26 additions and 29 deletions
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19
internal/pool/pool.go
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@ -27,8 +27,9 @@ type Stats struct {
Hits uint32 // number of times free connection was found in the pool
Timeouts uint32 // number of times a wait timeout occurred
TotalConns uint32 // the number of total connections in the pool
FreeConns uint32 // the number of free connections in the pool
TotalConns uint32 // number of total connections in the pool
FreeConns uint32 // number of free connections in the pool
StaleConns uint32 // number of stale connections removed from the pool
}
type Pooler interface {
@ -265,11 +266,13 @@ func (p *ConnPool) FreeLen() int {
func (p *ConnPool) Stats() *Stats {
return &Stats{
Requests: atomic.LoadUint32(&p.stats.Requests),
Hits: atomic.LoadUint32(&p.stats.Hits),
Timeouts: atomic.LoadUint32(&p.stats.Timeouts),
Requests: atomic.LoadUint32(&p.stats.Requests),
Hits: atomic.LoadUint32(&p.stats.Hits),
Timeouts: atomic.LoadUint32(&p.stats.Timeouts),
TotalConns: uint32(p.Len()),
FreeConns: uint32(p.FreeLen()),
StaleConns: atomic.LoadUint32(&p.stats.StaleConns),
}
}
@ -362,10 +365,6 @@ func (p *ConnPool) reaper(frequency time.Duration) {
internal.Logf("ReapStaleConns failed: %s", err)
continue
}
s := p.Stats()
internal.Logf(
"reaper: removed %d stale conns (TotalConns=%d FreeConns=%d Requests=%d Hits=%d Timeouts=%d)",
n, s.TotalConns, s.FreeConns, s.Requests, s.Hits, s.Timeouts,
)
atomic.AddUint32(&p.stats.StaleConns, uint32(n))
}
}