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fix(server): raise topic publish queue capacity

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This commit is contained in:
richjohnrambo
2026-10-10 09:37:42 +08:00
parent 54c594f39b
commit 1e0b4c181d
4 changed files with 78 additions and 10 deletions
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server/session.go
+27 -8
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@@ -1019,14 +1019,33 @@ func (s *Session) publish(msg *ClientComMessage) {
if sub := s.getSub(msg.RcptTo); sub != nil {
// This is a post to a subscribed topic. The message is sent to the topic only
msg.queuedAt = time.Now()
select {
case sub.broadcast <- msg:
immetrics.ObserveInternalQueueEnqueue("session_topic_publish", len(sub.broadcast), cap(sub.broadcast), true)
default:
immetrics.ObserveInternalQueueEnqueue("session_topic_publish", len(sub.broadcast), cap(sub.broadcast), false)
// Reply with a 503 to the user.
s.queueOut(ErrServiceUnavailableReply(msg, msg.Timestamp))
logs.Err.Println("s.publish: sub.broadcast channel full, topic ", msg.RcptTo, s.sid)
if topicQueueConfig.publishEnqueueWait > 0 {
timer := time.NewTimer(topicQueueConfig.publishEnqueueWait)
select {
case sub.broadcast <- msg:
immetrics.ObserveInternalQueueEnqueue("session_topic_publish", len(sub.broadcast), cap(sub.broadcast), true)
if !timer.Stop() {
select {
case <-timer.C:
default:
}
}
case <-timer.C:
immetrics.ObserveInternalQueueEnqueue("session_topic_publish", len(sub.broadcast), cap(sub.broadcast), false)
// Reply with a 503 to the user.
s.queueOut(ErrServiceUnavailableReply(msg, msg.Timestamp))
logs.Err.Println("s.publish: sub.broadcast channel full, topic ", msg.RcptTo, s.sid)
}
} else {
select {
case sub.broadcast <- msg:
immetrics.ObserveInternalQueueEnqueue("session_topic_publish", len(sub.broadcast), cap(sub.broadcast), true)
default:
immetrics.ObserveInternalQueueEnqueue("session_topic_publish", len(sub.broadcast), cap(sub.broadcast), false)
// Reply with a 503 to the user.
s.queueOut(ErrServiceUnavailableReply(msg, msg.Timestamp))
logs.Err.Println("s.publish: sub.broadcast channel full, topic ", msg.RcptTo, s.sid)
}
}
} else if msg.RcptTo == "sys" {
if s.authLvl != auth.LevelRoot {