Here is a basic summary of all available garbage collectors. Collector Block the world (minor) Block the world (major) Threads (minor) Threads (major) -XX:+UseSerialGC Yes Yes 1 1 -XX:+UseParallelGC Yes Yes Multiple 1 (*1) -XX:+UseConcMarkSweepGC Yes No 1 (*2) Concurrent (*3)Collector Block the world (minor) Block the world (major) Threads (minor) Threads (major) -XX:+UseSerialGC Yes … Continue reading Java Memory Managment