Chapter 2. Java on z/OS - The basics 15
to have less impact on application pause times. Large heap
size, were the GC cycle takes a long time, can benefit from this
policy. Or a situation where timeouts can occur with the user
interface if we allow a relatively longer pause time during the
GC cycle. Consider this setting when working with a 64-bit
JVM and very large heap sizes.
gencon Applications that use many short-lived objects will see a
benefit in using this policy. This policy handles short-lived
objects differently and the GC cycle will do its best to comply
with shorter pause times and still achieve a good throughput.
This option is most likely applicable in situations that are
transaction-based.
subpool This policy is suitable for ...