Right now in my application,at certain points we are logging some heavy stuff into the log files.
Basically only for logging we are creating JSON of the data availab
There is also log4j 2: http://logging.apache.org/log4j/2.x/manual/async.html Additionally read this article about why it is so fast: http://www.grobmeier.de/log4j-2-performance-close-to-insane-20072013.html#.UzwywI9Bow4