The Is High Volume option for custom exit points lets you create an optimized exit point configuration for backend systems with high-performance requirements, such as caching servers or in-memory databases.

A "high volume" exit point keeps the overhead associated with the exit point to a negligible amount by bypassing certain processing operations on calls to this exit point. As a result, transaction correlation and error detail reporting are not available for the exit point, nor are match conditions in the exit point configuration.

With a high volume exit point, you do get the number of calls, number of errors, and average response time for calls.