Kubernetes Topology Manager Moves to Beta - Align Up!

Kubernetes Topology Manager Moves to Beta - Align Up!

This blog post describes the TopologyManager, a beta feature of Kubernetes in release 1.18. The TopologyManager feature enables NUMA alignment of CPUs and peripheral devices (such as SR-IOV VFs and GPUs), allowing your workload to run in an environment optimized for low-latency.

This blog post describes the **TopologyManager**, a beta feature of Kubernetes in release 1.18. The **TopologyManager** feature enables NUMA alignment of CPUs and peripheral devices (such as SR-IOV VFs and GPUs), allowing your workload to run in an environment optimized for low-latency.

Prior to the introduction of the **TopologyManager**, the CPU and Device Manager would make resource allocation decisions independent of each other. This could result in undesirable allocations on multi-socket systems, causing degraded performance on latency critical applications. With the introduction of the **TopologyManager**, we now have a way to avoid this.

This blog post covers:

  1. A brief introduction to NUMA and why it is important
  2. The policies available to end-users to ensure NUMA alignment of CPUs and devices
  3. The internal details of how the **TopologyManager** works
  4. Current limitations of the **TopologyManager**
  5. Future directions of the **TopologyManager**

kubernetes

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