Hello, Can you please launch josm with "java -jar -Xmx4096M -XX:+HeapDumpOnOutOfMemoryError josm-tested.jar" command line and share the (compressed) resulting heap dump somewhere? See https://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/clopts001.html for details. Cheers, Vincent
2018-03-21 18:17 GMT+01:00 Mike N <[email protected]>: > Hi, we're working on an import (long announced and documented) of > buildings in the area - I'm working with Windows with no problem -Xmx4096M > , and Ubuntu with no problem. Another mapper helping with the import is > experiencing a problem in which the JOSM / java grabs a huge amount of > memory such as 11-15G of RAM when editing or uploading a file consisting of > 10K - 15K nodes / 3K buildings which brings the computer to a standstill > since the computer only has 8G of RAM. > > What kinds of things could cause this problem, and what are some tips > that might point us in the right direction? > > Thanks, system info follows. > ------------------------- > System configuration: > > 8G physical RAM > JOSM 13500 > > Only Mapillary plugin > > Java 1.8.0_151 > OpenJDK Runtime Environment (build 1.8.0_151-8u151-b12-0ubuntu0.1 > 7.10.2-b12) > OpenJDK 64-Bit Server VM (build 25.151-b12, mixed mode) > > Distro: POP OS https://system76.com/pop > >
