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clientv3: add more health balancer debugging logs

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Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyu-Ho Lee 2017-10-02 14:40:56 -07:00
parent 3a566fd3ad
commit 3f596db104
2 changed files with 9 additions and 3 deletions
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4
clientv3/balancer.go
View File

@ -310,7 +310,7 @@ func (b *simpleBalancer) up(addr grpc.Address) (func(error), bool) {
b.downc = make(chan struct{})
b.pinAddr = addr.Addr
if logger.V(4) {
logger.Infof("clientv3: balancer pins endpoint to %s", addr.Addr)
logger.Infof("clientv3/balancer: pin %s", addr.Addr)
}
// notify client that a connection is up
b.readyOnce.Do(func() { close(b.readyc) })
@ -321,7 +321,7 @@ func (b *simpleBalancer) up(addr grpc.Address) (func(error), bool) {
b.pinAddr = ""
b.mu.Unlock()
if logger.V(4) {
logger.Infof("clientv3: unpin %s (%v)", addr.Addr, err)
logger.Infof("clientv3/balancer: unpin %s (%v)", addr.Addr, err)
}
}, true
}

8
clientv3/health_balancer.go
View File

@ -139,6 +139,9 @@ func (hb *healthBalancer) updateUnhealthy(timeout time.Duration) {
for k, v := range hb.unhealthy {
if time.Since(v) > timeout {
delete(hb.unhealthy, k)
if logger.V(4) {
logger.Infof("clientv3/balancer: removes %s from unhealthy after %v", k, timeout)
}
}
}
hb.mu.Unlock()
@ -181,13 +184,16 @@ func (hb *healthBalancer) mayPin(addr grpc.Address) bool {
hb.mu.Lock()
delete(hb.unhealthy, addr.Addr)
hb.mu.Unlock()
if logger.V(4) {
logger.Infof("clientv3/balancer: %s is healthy", addr.Addr)
}
return true
}
hb.mu.Lock()
hb.unhealthy[addr.Addr] = time.Now()
hb.mu.Unlock()
if logger.V(4) {
logger.Infof("clientv3: %s becomes unhealthy", addr.Addr)
logger.Infof("clientv3/balancer: %s becomes unhealthy", addr.Addr)
}
return false
}