Accelerate Your JBoss Enterprise Middleware - Red Hat Summit

Accelerate Your JBoss Enterprise Middleware –Operating SystemOperatingOperatingSystemSystem●What is NUMA?● It stands for non-uniform memory architecture.● Why is it important?● It's important because all newer x86 architecture servers are basedon NUMA.● The memory architecture of a NUMA system is laid out so that eachsocket (with its cores) is attached directly to a single bank of memory.● Accessing this bank of memory has the lowest latency of all memoryaccesses.● To access memory from any other bank of memory, it has to gothrough the other sockets to access the memory adding significantlatency.● The best performance comes from keeping processing running on asingle socket, and having its memory needs satisfied through thelocal memory bank attached to that socket.