Two identical VMs, same host. One runs 20% slower. No contention. No config error. Just memory on the wrong side of an interconnect. Edera is shipping NUMA-awareness end to end through Xen. Part 1 covers why the problem is harder than it looks.
edera.devNUMA Explained: Why Memory Distance Slows Your VMsWhy two identical VMs on the same host can perform 20% differently — and what NUMA topology in Xen-based virtualization actually costs you.
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