How to reduce GC time(Trade-off between application throughput and latency)

What are the expensive things in the GC mechanism?

• Copy between young<->Old generation

• If we can, we should prevent the increasing size of Old generation

• Consider soft real time goal — GCPauseIntervalMillis and MaxGCPauseMillis

Referer

• https://docs.oracle.com/javase/8/docs/technotes/guides/vm/gctuning/g1_gc.html
• https://learning.oreilly.com/videos/advanced-java-performance/9780134653273/9780134653273-ajph_04_03