What does TRCE stand for?

Trace

Extremely small quantity of an element, usually too small to determine quantitatively. A record of the processing of a computer program or transaction. The information collected from a trace can be used to assess problems and performance. In DB2 replication, a facility that is used to collect monitoring, auditing, and performance data for the Capture program, the Q Capture program, the Apply program, the Q Apply program, or the Replication Alert Monitor.