Add some log and improve TestSessionProcessActiveStandBy test case (#27403)

Signed-off-by: SimFG <bang.fu@zilliz.com>

internal/datacoord/segment_manager.go

@@ -504,7 +504,11 @@ func (s *SegmentManager) GetFlushableSegments(ctx context.Context, channel strin
 	ret := make([]UniqueID, 0, len(s.segments))
 	for _, id := range s.segments {
 		info := s.meta.GetHealthySegment(id)
-		if info == nil || info.InsertChannel != channel {
+		if info == nil {
+			continue
+		}
+		if info.InsertChannel != channel {
+			log.Warn("the channel of flushable segments isn't equal", zap.String("insert_channel", info.InsertChannel), zap.String("channel", channel), zap.Int64("segment", id))
 			continue
 		}
 		if s.flushPolicy(info, t) {

internal/util/sessionutil/session_util_test.go

@@ -659,8 +659,19 @@ func TestSessionProcessActiveStandBy(t *testing.T) {
 	log.Debug("Stop session 1, session 2 will take over primary service")
 	assert.False(t, flag)
 
-	s1.Stop()
-	<-signal
+	s1.safeCloseLiveCh()
+	{
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+		defer cancel()
+		_, _ = s1.etcdCli.Revoke(ctx, *s1.leaseID)
+	}
+	select {
+	case <-signal:
+		log.Debug("receive s1 signal")
+	case <-time.After(10 * time.Second):
+		log.Debug("wait to fail Liveness Check  timeout")
+		t.FailNow()
+	}
 	assert.True(t, flag)
 
 	wg.Wait()

pkg/mq/msgstream/mq_msgstream.go

@@ -869,6 +869,8 @@ func (ms *MqTtMsgStream) Seek(ctx context.Context, msgPositions []*msgpb.MsgPosi
 						MsgID:       msg.ID().Serialize(),
 					})
 					ms.chanMsgBuf[consumer] = append(ms.chanMsgBuf[consumer], tsMsg)
+				} else {
+					log.Info("skip msg", zap.Any("msg", tsMsg))
 				}
 			}
 		}