On Tue, 2 Apr 2024 02:04:17 GMT, Yi Yang <yy...@openjdk.org> wrote: > * jcmd GC.heap_dump command; `AttachListenerThread` > > * HotSpotDiagnosticMXBean.dumpHeap(); `JavaThread` > > * HeapDumpBeforeFullGC, HeapDumpAfterFullGC VM options; `VMThread` > > * HeapDumpOnOutOfMemoryError VM option. `VMThread` > Mabye we can always use AttachListenerThread(via Handshake) or new > virtual thread?
AttachListenerThread may not exist (it's created on demand). Heap dump for HeapDumpOnOutOfMemoryError is performed on the current java thread. I'm not sure I follow the proposal. What if the profit in using separate thread for merging? ------------- PR Comment: https://git.openjdk.org/jdk/pull/18571#issuecomment-2033101158
