// checkQueueDepth periodically checks the size of a queue to see if
// it is too large
func (s *Serf) checkQueueDepth(name string, queue *memberlist.TransmitLimitedQueue) {
for {
select {
case <-time.After(time.Second):
numq := queue.NumQueued()
if numq >= s.config.QueueDepthWarning {
s.logger.Printf("[WARN] %s queue depth: %d", name, numq)
}
if numq > s.config.MaxQueueDepth {
s.logger.Printf("[WARN] %s queue depth (%d) exceeds limit (%d), dropping messages!",
name, numq, s.config.MaxQueueDepth)
queue.Prune(s.config.MaxQueueDepth)
}
case <-s.shutdownCh:
return
}
}
}
