GV$JAVA_POOL_ADVICE definition in Oracle Database 11.2
GV$JAVA_POOL_ADVICE
select
inst_id, -- INST_ID NUMBER
java_size, -- JAVA_POOL_SIZE_FOR_ESTIMATE NUMBER
round(java_size / basejava_size, 4), -- JAVA_POOL_SIZE_FACTOR NUMBER
kgljsim_size, -- ESTD_LC_SIZE NUMBER
kgljsim_objs, -- ESTD_LC_MEMORY_OBJECTS NUMBER
kgljsim_timesave, -- ESTD_LC_TIME_SAVED NUMBER
decode( -- ESTD_LC_TIME_SAVED_FACTOR NUMBER
kgljsim_basetimesave, 0, to_number(null), round(kgljsim_timesave / kgljsim_basetimesave, 4)),
kgljsim_parsetime, -- ESTD_LC_LOAD_TIME NUMBER
decode( -- ESTD_LC_LOAD_TIME_FACTOR NUMBER
kgljsim_baseparsetime, 0, to_number(null), round(kgljsim_parsetime / kgljsim_baseparsetime, 4)),
kgljsim_hits -- ESTD_LC_MEMORY_OBJECT_HITS NUMBER
from
x$kgljsim