Engineering Blog

                            

Kubernetes

Airbnb’s Dynamic Kubernetes Cluster Scaling Journey

Introduction At Airbnb, it’s crucial to adjust cloud spending according to demand. Their traffic varies daily, so they need their cloud resources to scale up and down as needed. To achieve this, they use Kubernetes, a system for managing containers, along with OneTouch, a tool for configuring services. In this post, we’ll discuss how they…

Troubleshooting Kubernetes Secrets and Identifying Reasons for Pod Startup Failure

Troubleshooting Kubernetes Secrets and Identifying Reasons for Pod Startup Failure

Amazon Web Services (AWS) provides a tool called AWS Secrets Manager that makes it easier to securely store and manage sensitive data, such as database credentials and API keys, that are utilized in modern applications. By allowing developers to consolidate storage and automate rotation operations, it simplifies the handling of sensitive data. Many people could…

Scaling Kubernetes to 7,500 nodes

Scaling Kubernetes to 7,500 nodes

Scaling a Kubernetes cluster to this magnitude(7500 nodes) is a rare feat that demands careful consideration, but it offers the benefit of a simple infrastructure, empowering OpenAI’s machine learning teams to scale rapidly without altering their code. Following OpenAI’s previous update on scaling to 2,500 nodes, OpenAI has further developed its infrastructure, imparting valuable lessons…

Connecting Kernel Panics to Kubernetes Pods: Keeping Track of Lost Nodes at Netflix

Connecting Kernel Panics to Kubernetes Pods: Keeping Track of Lost Nodes at Netflix

With a dedicated effort to enhance user experience on the Titus container platform, Netflix delved into the issue of “orphaned” pods – those left incomplete without a clear final status. Although this may not be a concern for Service job owners, it holds significant importance for Batch users. This blog post provides insights into our…

A “Krispr” Approach to Kubernetes Infrastructure: Keeping Pods Fresh and Rolling Out Updates Smoothly

Introduction In the demanding world of modern service-oriented architectures, maintaining fresh and up-to-date infrastructure is crucial for optimal performance and security. Airbnb, with its hundreds of services relying on Kubernetes, faced challenges in efficiently updating shared infrastructure components within their platform. Their existing approach, heavily dependent on service owner upgrades, led to version fragmentation, complexity,…

Scaling Kubernetes to 2,500 Nodes for Deep Learning at OpenAI

Scaling Kubernetes to 2,500 Nodes for Deep Learning at OpenAI

OpenAI, a pioneer in artificial intelligence, pushes the boundaries of Kubernetes by scaling it to manage massive deep learning workloads. While managing bare VMs remains an option for the largest tasks, Kubernetes shines for its rapid iteration cycles, reasonable scalability, and reduced development overhead. This blog dives into OpenAI’s journey building a 2,500-node Kubernetes cluster…