If you specified the SHOW_THREAD_PERF statement in the dbmover.cfg configuration file, this message reports the

I/O

delay time, in microseconds, for a specific partition in a bulk data movement session. The

I/O

delay time is the time that a partition waits to receive data from the joiner. The message shows the average, minimum, and maximum

I/O

delay times over the specified number of rows.