New: System dump produced on first OOM in WAS 184.108.40.206
kgibm 0600027VAP Visits (1122)
Starting in WAS 220.127.116.11 running on IBM JVMs, the default artifacts produced on an OutOfMemoryError have changed. In addition to the old defaults (first four OOMs create a PHD, javacore, and snapdump), a system dump will be produced on the first OOM: http
Some customers have become used to system dumps meaning crashes, so don't be worried. System dumps are a richer and alternative artifact to understand OOMs using the Memory Analyzer Tool and the IBM Extensions for Memory Analyzer.
For customers running *nix based operating systems, this is a good time to check your ulimits and make sure they're setup correctly, so that any system dumps produced are not truncated: AIX, Linux, i/OS, z/OS.
Update: TechNote describing this: http