Garbage-free logging :: Apache Log4j

Garbage collection pauses are a common cause of latency spikes and for many systems significant effort is spent on controlling these pauses. Log4j allocates temporary LogEvent, String, char[], byte[], etc. objects during steady state logging. This contributes to pressure on the garbage collector and increases the frequency with which garbage collection pauses occur. In garbage-free mode, Log4j buf

[MATSUZAKI]

“From version 2.6, Log4j runs in "garbage free" mode ”