Add warn

Author: trueleo

server/src/handlers/livetail.rs

@@ -119,7 +119,10 @@ impl FlightService for FlightServiceImpl {
         let adapter_schema = schema.clone();
         let rx = rx.map(move |x| match x {
             Message::Record(t) => Ok(utils::arrow::adapt_batch(&adapter_schema, &t)),
-            Message::Skipped(_) => Ok(RecordBatch::new_empty(adapter_schema.clone())),
+            Message::Skipped(_) => {
+                log::warn!("livetail channel capacity is full.");
+                Ok(RecordBatch::new_empty(adapter_schema.clone()))
+            }
         });
 
         let rb_stream = FlightDataEncoderBuilder::new()