On Tue, 23 Aug 2022 16:57:20 GMT, Ioi Lam <ik...@openjdk.org> wrote: > > Stupid question, does that not mean that the CDS dump generated at build > > time is not usable with the VM at runtime if that is started with default > > options? > > The CDS archive is still useable. > > * If G1 is used at runtime, the shared heap is mmaped > * If a non-G1 collector is used, all the objects in the shared heap will be > copied into the Java heap. > > See comments near `HeapShared::can_use()`: > > https://github.com/openjdk/jdk/blob/d24b7b7026cf85f1aecf44f60819762872cfd5c1/src/hotspot/share/cds/heapShared.hpp#L151-L157
Thanks for the clarification! ------------- PR: https://git.openjdk.org/jdk/pull/9984
