“Network I/O Management” reports the following network activities for each Adaptive Server engine:
Total requested network I/Os
Network I/Os delayed
Total TDS packets and bytes received and sent
Average size of packets received and sent
This data is broken down by engine, because each engine does its own network I/O. Imbalances are usually caused by one of the following condition:
There are more engines than tasks, so the engines with no work to perform report no I/O, or
Most tasks are sending and receiving short packets, but another task is performing heavy I/O, such as a bulk copy.