“I/O Wait from RS” reports:
Count – number of times Replication Agent issued a ct_sendpassthru to Replication Server.
Amount of Time – length of time, in milliseconds, Replication Agent spent processing results from Replication Server.
Longest Wait – longest elapsed time, in milliseconds, the Replication Agent spent processing results.
Average Wait – average length of time, in milliseconds, Replication Agent spent processing results
