Update FIXME

Author: pleshakov

internal/events/loop.go

@@ -86,8 +86,9 @@ func (el *EventLoop) Start(ctx context.Context) error {
 			// Handle the current batch if no batch is being handled.
 			if !handling {
 				go handle(ctx, batch)
-				// FIXME(pleshakov): Making an entirely new, zero-length slice seems unnecessary and potentially inefficient.
-				// See https://github.com/nginxinc/nginx-kubernetes-gateway/pull/175#discussion_r946167207
+				// FIXME(pleshakov): Making an entirely new buffer is inefficient and multiplies memory operations.
+				// Use a double-buffer approach - create two buffers and exchange them between the producer and consumer
+				// routines. NOTE: pass-by-reference, and reset buffer to length 0, but retain capacity.
 				batch = make([]interface{}, 0)
 				handling = true
 			}