Enabling and analysing the garbage collection log

As a developer every one will get a question on enabling the GC log on production servers. Is it advisable to enable GC log on production server? Yes, it is recommended to enable the GC log on production servers. The overhead by enabling the GC log on JVM is minimal. As per Standard Performance Evaluation Corporation (SPEC)  the world record high performance Java Enterprise production servers are running with GC log enabled.