NSX Bare Metal Edge (BME) with Hyper-Threading enabled can experience poor performance in busy environments

Products

• VMware NSX Networking

Issue/Introduction

Having hyper-threading enabled on Bare Metal Edges (BME) can lead to performance problems due to datapath fastpath threads incorrectly sharing a physical core with another process/thread.

Environment

VMware NSX-T Data Center
VMware NSX-T Data Center 3.x
VMware NSX-T
VMware NSX-T Data Center 4.x

Resolution

Disable HT in the Bare Metal Edge server BIOS.

Additional Information

This is resolved in NSX-T 3.1.3.8: VMware NSX-T Data Center 3.1.3.8 Release Notes