do not disable queue size metric

Author: JuArce

crates/batcher/src/lib.rs

@@ -1412,10 +1412,9 @@ impl Batcher {
 
         // Update metrics
         let queue_len = batch_state_lock.batch_queue.len();
-        let queue_size_bytes: i64 = 0;
-        // let queue_size_bytes = calculate_batch_size(&batch_state_lock.batch_queue)?;
+        let queue_size_bytes = calculate_batch_size(&batch_state_lock.batch_queue)?;
         self.metrics
-            .update_queue_metrics(queue_len as i64, queue_size_bytes);
+            .update_queue_metrics(queue_len as i64, queue_size_bytes as i64);
 
         info!("Current batch queue length: {}", queue_len);