fix: harden single-machine load handling

2026-09-29 17:52:13 +08:00
parent ab73b69870
commit 4b00b5ae37
24 changed files with 1030 additions and 144 deletions
@@ -251,7 +251,11 @@ func (h *Hub) run() {
 						immetrics.ObserveInternalQueueEnqueue("topic_client", len(dst.clientMsg), cap(dst.clientMsg), true)
 					default:
 						immetrics.ObserveInternalQueueEnqueue("topic_client", len(dst.clientMsg), cap(dst.clientMsg), false)
-						logs.Err.Println("hub: topic's broadcast queue is full", dst.name)
+						if msg.sess != nil {
+							msg.sess.queueOut(ErrServiceUnavailableReply(msg, types.TimeNow()))
+						}
+						logs.Err.Printf("hub: topic's broadcast queue is full topic=%s tenant=%d len=%d cap=%d",
+							dst.name, dst.tenantID, len(dst.clientMsg), cap(dst.clientMsg))
 					}
 				} else {
 					logs.Warn.Println("hub: invalid topic category for broadcast", dst.name)