Replication Server provides counters to monitor batching and batch size.
You can monitor the average size of a batch by referring to counter 57076 – DSIEBatchSize. You can monitor the average amount of time taken to process a batch (the time from when the batch is created until it is flushed and the results processed) by referring to counter 57070 – DSIEBatchTime.
The following counters may also be useful in monitoring the effectiveness of batching and batch size: