etcdserver/api/v2stats/leader.go
func (fs *FollowerStats) Fail() {
	fs.Lock()
	defer fs.Unlock()
	fs.Counts.Fail++
}
func (fs *FollowerStats) Fail() {
	fs.Lock()
	defer fs.Unlock()
	fs.Counts.Fail++
}
func ( fs * FollowerStats ) Fail ( ) { fs . Lock ( ) defer fs . Unlock ( ) fs . Counts . Fail ++ }
// Fail updates the FollowerStats with an unsuccessful send
Fail updates the FollowerStats with an unsuccessful send