perf: batch group unread fanout

2026-09-27 23:10:28 +08:00
parent fc875cc84e
commit 6b8ed4a2cc
10 changed files with 260 additions and 4 deletions
@@ -25,6 +25,7 @@ import (
 	"github.com/tinode/chat/pbx"
 	"github.com/tinode/chat/server/auth"
 	"github.com/tinode/chat/server/logs"
+	immetrics "github.com/tinode/chat/server/metrics"
 	"github.com/tinode/chat/server/store"
 	"github.com/tinode/chat/server/store/types"

@@ -860,7 +861,9 @@ func (s *Session) publish(msg *ClientComMessage) {
 		// This is a post to a subscribed topic. The message is sent to the topic only
 		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)