The OMEGAMON IMS Journal Logging Facility (JLF) is an important component of OMEGAMON IMS. The purpose of JLF is to be a high performance capture facility for the collection of history/trace data. Since an IMS subsystem may have quite a bit of activity, there may be quite a bit of data to capture.
There are options and cosndierations when setting up JLF. This technote explains in some detail these considerations: