Beyond Traditional Autoscaling: The Future of Kubernetes in AI Infrastructure
May 22, 2025

Maxim Melamedov
Zesty

With AI innovation advancing at an unprecedented clip, the demand for robust, scalable infrastructure has never been higher. Kubernetes has quickly emerged as a go-to solution for deploying AI's complex workloads, with 54% of AI workloads now running on this framework, according to Portworx.

But Kubernetes was not initially designed with AI's vast resource variability in mind, and the rapid rise of AI has exposed Kubernetes limitations, particularly when it comes to cost and resource efficiency. Indeed, AI workloads differ from traditional applications in that they require a staggering amount and variety of compute resources, and their consumption is far less consistent than traditional workloads.

This unpredictability challenges existing autoscaling mechanisms that, without the right management tools, can lead to overprovisioning, underutilization, and escalating operational costs. DevOps teams are then caught juggling cost reduction, resource optimization, and maintaining application availability and SLAs.

Considering the speed of AI innovation, teams cannot afford to be bogged down by these constant infrastructure concerns. A solution is needed.

The Limitations of Kubernetes Scaling

According to Datadog, over 80% of container costs are wasted on idle resources, largely due to the time it takes to scale applications in Kubernetes.

Indeed, organizations often overprovision Kubernetes resources, a tactic that ensures stability but ultimately drives up costs. While tools like horizontal pod autoscalers (HPA), Kubernetes Event-driven Autoscaling (KEDA), Knative, Karpenter, and Cluster-Autoscaler help organizations scale dynamically, they still require an inefficiently long time to spin up new nodes.

Alternatively, under-provisioning, while it may lower costs, can lead to performance bottlenecks when traffic spikes exceed allocated capacity.

Kubernetes configurations are typically static, preventing real-time adjustments based on actual usage. This rigidity makes it difficult to respond effectively to sudden demand surges. For example, the recent service disruptions at DeepSeek were caused by server constraints during periods of high API request volumes, and the rigid infrastructure setups struggled to adapt quickly. Without intelligent orchestration, workloads can experience inefficient resource distribution, leading to compute starvation or latency, causing unnecessary delays in AI model execution.

With Kubernetes, an adaptive scaling approach can mitigate issues that were at the heart of the DeepSeek service disruptions, ensuring continuous service availability without unnecessary resource waste.

Rethinking Kubernetes Management

Despite the setbacks, Kubernetes remains the most efficient infrastructure operator today. The issue is that the traditional approach to Kubernetes management is no longer sufficient to meet the swelling computational demands of AI-driven businesses.

To keep up, businesses must refocus their Kubernetes optimization efforts to prioritize automation and intelligent scaling, freeing up DevOps to concentrate on innovation rather than putting out the constant fires caused by resource constraints. This requires infrastructure that relies on AI and can adjust dynamically, allocating just the right amount of compute and storage resources as needed, improving efficiency without excessive waste or compromised performance.

Innovations in Kubernetes optimization, typically created and powered by third-party tools, are addressing these challenges by leveraging technologies that enable real-time, automated resource allocation and allow workloads to scale up or down instantly.

Faster, automated scaling ensures that critical AI workloads remain available even during unexpected traffic surges, while automated resource allocation allows for reduced compute waste and unutilized storage. By dynamically adjusting resources based on real-time needs, organizations can eliminate unnecessary costs without compromising performance.

The Future of Kubernetes and AI

As AI adoption accelerates, Kubernetes must strive to evolve quickly enough to keep pace.

AI workloads require vast amounts of parallel computation, particularly for tasks like model training and inference. Unlike CPUs, which are optimized for sequential processing, GPUs excel at handling thousands of simultaneous operations, making them far more efficient for AI-related tasks. This need for high-throughput computation has led to a shift from traditional CPU-based workloads to AI-intensive workloads running on GPUs and other specialized hardware.

But here's the catch: Kubernetes, originally designed with CPUs in mind, faces several challenges in effectively managing GPU workloads. For instance, the current resource management model for GPUs, where only requests can be set and GPUs cannot be shared between pods within the Kubernetes infrastructure, lacks the flexible requests-and-limits paradigm that has made CPU scheduling so straightforward. Additionally, the limited fractioning capabilities of GPUs pose significant resource allocation challenges.

For Kubernetes to evolve and support the AI ecosystem, these challenges and others must be addressed.

For GPUs, there is yet another critical concern. Unlike CPUs, where the specific hardware model is often irrelevant, the type and generation of any given GPU in use can drastically impact performance. Workload placement must then account for these differences — a capability that traditional Kubernetes management lacks.

Enhancing Kubernetes for AI workloads also requires native support for specialized hardware accelerators and advanced scheduling capabilities to handle the mixed workloads that AI applications need. This requires teams to implement caching layers for models to reduce startup overhead and potentially develop more sophisticated resource management strategies to optimize the allocation of GPU resources.

For Kubernetes to evolve and continue to effectively serve the AI ecosystem, it must address these unique GPU-related challenges. Without improvements, AI-intensive applications will never be able to fully leverage the performance advantages of GPUs while maintaining Kubernetes flexibility and efficiency in Kubernetes environments.

Staying Ahead of an AI-Driven Future

With its unique flexibility, automation, and scalability across a wide range of workloads, Kubernetes is one of the most powerful ways to manage infrastructure. However, its traditional management approaches are being pushed to their limits by AI's rapid innovation.

By moving beyond traditional scaling methods and utilizing advanced technologies for adaptive infrastructure management, organizations can harness the full potential of AI without the drawbacks of inefficient resource allocation. Only by refining Kubernetes management strategies can organizations ensure that their AI applications operate efficiently, cost-effectively, and at scale.

The path forward is clear: businesses that adopt agile Kubernetes strategies will be better positioned to meet AI's unique challenges and scale efficiently, and those who don't will be left behind.

Maxim Melamedov is CEO and Co-Founder of Zesty
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