Do the generated bytecodes for LambdaForms ever get unloaded? In Presto (a
distributed SQL engine) we generate bytecode on the fly for each query and
use invokedynamic in a number of places as a way to link constants. We
recently ran into a permgen leak (we run 7u45). Looking at the output of
JRuby loads about 4000 own classes (above 1000 of system classes) during
execution of just '-e 1'. It is a lot of data to load, parse, verify.
I played with CDS (Class Data Sharing) which includes jruby classes. We
can do that since jruby.jar is on boot class path but it requires some
manual
Hi Martin.
A few LFs are cached in 8u20, and many more will be in 8u40; those will not be
unloaded.
A non-cached LF can be viewed as customized, to the exact MH that caused its
creation.
It should be the case that a LF that is customized to LFs will be unloaded
(with its bytecodes) as soon