removing the unnecessary restart logic and relying on the seek mechanism we already implemented

weed/mq/kafka/integration/seaweedmq_handler.go

@@ -94,28 +94,6 @@ func (h *SeaweedMQHandler) GetStoredRecords(ctx context.Context, topic string, p
 		glog.Errorf("[FETCH] ReadRecords failed: %v", err)
 		return nil, fmt.Errorf("failed to read records: %v", err)
 	}
-	// CRITICAL FIX: If ReadRecords returns 0 but HWM indicates data exists on disk, force a disk read
-	// This handles the case where subscriber advanced past data that was already on disk
-	// Only do this ONCE per fetch request to avoid subscriber churn
-	if len(seaweedRecords) == 0 {
-		hwm, hwmErr := brokerClient.GetHighWaterMark(topic, partition)
-		if hwmErr == nil && fromOffset < hwm {
-			// Restart the existing subscriber at the requested offset for disk read
-			// This is more efficient than closing and recreating
-			consumerGroup := "kafka-gateway"
-			consumerID := fmt.Sprintf("kafka-gateway-%s-%d", topic, partition)
-
-			if err := brokerClient.RestartSubscriber(brokerSubscriber, fromOffset, consumerGroup, consumerID); err != nil {
-				return nil, fmt.Errorf("failed to restart subscriber: %v", err)
-			}
-
-			// Try reading again from restarted subscriber (will do disk read)
-			seaweedRecords, err = brokerClient.ReadRecordsFromOffset(ctx, brokerSubscriber, fromOffset, maxRecords)
-			if err != nil {
-				return nil, fmt.Errorf("failed to read after restart: %v", err)
-			}
-		}
-	}
 
 	glog.V(2).Infof("[FETCH] ReadRecords returned %d records", len(seaweedRecords))
 	//