Never mind - the stupid bug struck hard (long time ago I must’ve set the 4GB as a VM option in the configuration I was using). Sorry about the noise. tom
> On Dec 5, 2022, at 3:20 PM, Thomas Wolf <tjw...@gmail.com> wrote: > > > I was running my J2SE application inside of NB and with a large data set ran > out of heap space. I don’t specify a -Xmx arg for my app and I was curious > why with 32GB of physical memory that should happen. I ran the application > again and, from the command-line, did > jinfo -flag MaxHeapSize xxx (xxx is my app’s process id) > to see how much heap the JVM decided to allocate. It returned > -XX:MaxHeapSize=4294967296 > Weird - that’s 1/8th of my physical memory. If memory served, Java was > supposed to use up to 1/4th physical memory for max heap size. So I ran the > application again - this time straight from the command-line rather than from > inside NB. And outside of NB, jinfo reported the expected 8GB of heap: > -XX:MaxHeapSize=8589934592 > > Does anyone know why that is? > > Although I doubt it matters, I’m running on macOS 13.1, NB 13, with NB and my > app both using JDK/JRE 17. > > thanks, > Tom > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@netbeans.apache.org For additional commands, e-mail: users-h...@netbeans.apache.org For further information about the NetBeans mailing lists, visit: https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists
