Java Enhancement Proposal 163, enable NUMA mode by default when appropriate. This proposal is only applicable to NUMA hardware. The intent is to have the JVM enable the following flag when it detects NUMA hardware:
XX:+UseNUMA
This flag can currently be evoked manually. With the proposed enhancement, it will be evoked automatically by the JVM when it has detected that it is running on a NUMA piece of hardware.
Non-Uniform Memory Access (NUMA) is a memory model used in computer multiprocessing. With this memory model, access time is dependent on the memory location relative to that of the processor.
This will be an easy enhancement to implement and is likely to be part of the Java 10 platform release. ...
