feat kafka

db/kafka/consumer.go

@@ -63,7 +63,7 @@ func (h *handler) Cleanup(sess sarama.ConsumerGroupSession) error {
 func (h *handler) ConsumeClaim(sess sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {
 	for message := range claim.Messages() {
 		ctx := NewCarrier().ExtractConsumer(message.Headers)
-		_, span := otel.Tracer(client.serverName).Start(ctx, "kafka.consume")
+		_, span := otel.Tracer("common.db.kafka").Start(ctx, "kafka.consume")
 		if err := h.handler(ctx, message); err != nil {
 			if stack, ok := err.(interface{ StackTrace() string }); ok {
 				span.AddEvent("Stack Trace", trace.WithAttributes(